[mobile] Add MacCatalyst to Console OpenStandardHandle test exclusions - #127274

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kotlarmilos merged 2 commits into
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mobile-fix-console-maccatalyst-2f64009d55531485
Apr 27, 2026
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[mobile] Add MacCatalyst to Console OpenStandardHandle test exclusions#127274
kotlarmilos merged 2 commits into
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mobile-fix-console-maccatalyst-2f64009d55531485

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Fixes System.Console.Tests failures on MacCatalyst discovered in runtime-extra-platforms build #1388505.

Failure

Build: #1388505 (2026-04-21)
Job: maccatalyst-arm64 Release AllSubsets_Mono
Helix job: f4caa84e-1526-4c12-a872-6f24ac6f3ba1
Work item: System.Console.Tests
Platform: MacCatalyst arm64 (also affects maccatalyst-x64)

Failed tests

Four tests failed with PlatformNotSupportedException:

  1. OpenStandardInputHandle_ReturnsValidHandle
  2. OpenStandardOutputHandle_ReturnsValidHandle
  3. OpenStandardErrorHandle_ReturnsValidHandle
  4. OpenStandardHandles_DoNotOwnHandle
[FAIL] System.Tests.ConsoleTests.OpenStandardInputHandle_ReturnsValidHandle
System.PlatformNotSupportedException : Operation is not supported on this platform.
at System.ConsolePal.OpenStandardInputHandle()
at System.Console.OpenStandardInputHandle()

Root cause

The Console.OpenStandardXXXHandle() methods throw PlatformNotSupportedException on mobile platforms (iOS, tvOS, Android, MacCatalyst) because these platforms do not expose the underlying file handles for standard streams.

The existing tests already had [PlatformSpecific] attributes excluding iOS, tvOS, and Android, but MacCatalyst was missing from the exclusion list. This is an oversight because MacCatalyst has the same limitation as other Apple mobile platforms.

Fix

Add TestPlatforms.MacCatalyst to the exclusion list (using & ~TestPlatforms.MacCatalyst) on all five tests that attempt to use these APIs, and add it to the inclusion list on the three "ThrowsOnUnsupportedPlatforms" tests that validate the exception is thrown.

This makes the skip coverage consistent across all mobile platforms:

  • Skip on: iOS, tvOS, MacCatalyst, Android, Browser (where applicable)
  • Run on: Windows, Linux, macOS desktop

Testing

After this fix, the four failing tests will be skipped on MacCatalyst in the runtime-extra-platforms pipeline, matching the behavior on iOS, tvOS, and Android.

Note

This PR was created by GitHub Copilot after analyzing mobile platform CI failures in the runtime-extra-platforms pipeline (build 1388505).

Note

🔒 Integrity filter blocked 1 item

The following item were blocked because they don't meet the GitHub integrity level.

  • #126805search_pull_requests: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".

To allow these resources, lower min-integrity in your GitHub frontmatter:

tools:
github:
min-integrity: approved # merged | approved | unapproved | none

Generated by Mobile Platform Failure Scanner · ● 2.2M · ◷

@github-actions
Add MacCatalyst to Console OpenStandardHandle test exclusions
126c361
Fixes System.Console.Tests failures on MacCatalyst discovered in build #1388505.
The tests for Console.OpenStandardInputHandle(), OpenStandardOutputHandle(),
and OpenStandardErrorHandle() were already excluding iOS, tvOS, and Android
(where these APIs throw PlatformNotSupportedException), but were missing
MacCatalyst from the exclusion list.
This caused 4 test failures on maccatalyst-arm64:
- OpenStandardInputHandle_ReturnsValidHandle
- OpenStandardOutputHandle_ReturnsValidHandle
- OpenStandardErrorHandle_ReturnsValidHandle
- OpenStandardHandles_DoNotOwnHandle
The fix adds TestPlatforms.MacCatalyst to the exclusion list on all affected
tests, and adds it to the inclusion list on the corresponding "ThrowsOnUnsupportedPlatforms" tests.
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1388505
Job: maccatalyst-arm64 Release AllSubsets_Mono
Work item: System.Console.Tests
Helix job: f4caa84e-1526-4c12-a872-6f24ac6f3ba1
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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@kotlarmilos
kotlarmilos marked this pull request as ready for review April 22, 2026 11:32
@kotlarmiloskotlarmilos added this to the 11.0.0 milestone Apr 22, 2026
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Pull request overview

This PR fixes System.Console.Tests failures on MacCatalyst by aligning the PlatformSpecific test filters with other mobile platforms where Console.OpenStandard*Handle() is not supported.

Changes:

  • Exclude TestPlatforms.MacCatalyst from tests that expect standard handles to be available/usable.
  • Include TestPlatforms.MacCatalyst in tests that validate PlatformNotSupportedException is thrown on unsupported platforms.

adamsitnik
adamsitnik approved these changes Apr 22, 2026
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LGTM, we need to update the code review skill to require the tests to be annotated when testing APIs that are not available on every platform

This was referenced Apr 22, 2026
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/ba-g wasm job takes longer than the maximum time of 240 minutes

@kotlarmilos
kotlarmilos merged commit 24c5e6f into mainApr 27, 2026
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kotlarmilos deleted the mobile-fix-console-maccatalyst-2f64009d55531485 branch April 27, 2026 08:54
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
[mobile] Add MacCatalyst to Console OpenStandardHandle test exclusions - #127274
Merged
kotlarmilos merged 2 commits into
mainfrom 
mobile-fix-console-maccatalyst-2f64009d55531485
Apr 27, 2026
Merged
[mobile] Add MacCatalyst to Console OpenStandardHandle test exclusions#127274
kotlarmilos merged 2 commits into
mainfrom 
mobile-fix-console-maccatalyst-2f64009d55531485
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@github-actions
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Fixes System.Console.Tests failures on MacCatalyst discovered in runtime-extra-platforms build #1388505.
Failure
Build: #1388505 (2026-04-21)
Job: maccatalyst-arm64 Release AllSubsets_Mono
Helix job: f4caa84e-1526-4c12-a872-6f24ac6f3ba1
Work item: System.Console.Tests
Platform: MacCatalyst arm64 (also affects maccatalyst-x64)
Failed tests
Four tests failed with PlatformNotSupportedException:
  1. OpenStandardInputHandle_ReturnsValidHandle
  2. OpenStandardOutputHandle_ReturnsValidHandle
  3. OpenStandardErrorHandle_ReturnsValidHandle
  4. OpenStandardHandles_DoNotOwnHandle
[FAIL] System.Tests.ConsoleTests.OpenStandardInputHandle_ReturnsValidHandle
System.PlatformNotSupportedException : Operation is not supported on this platform.
at System.ConsolePal.OpenStandardInputHandle()
at System.Console.OpenStandardInputHandle()

Root cause
The Console.OpenStandardXXXHandle() methods throw PlatformNotSupportedException on mobile platforms (iOS, tvOS, Android, MacCatalyst) because these platforms do not expose the underlying file handles for standard streams.
The existing tests already had [PlatformSpecific] attributes excluding iOS, tvOS, and Android, but MacCatalyst was missing from the exclusion list. This is an oversight because MacCatalyst has the same limitation as other Apple mobile platforms.
Fix
Add TestPlatforms.MacCatalyst to the exclusion list (using & ~TestPlatforms.MacCatalyst) on all five tests that attempt to use these APIs, and add it to the inclusion list on the three "ThrowsOnUnsupportedPlatforms" tests that validate the exception is thrown.
This makes the skip coverage consistent across all mobile platforms:
  • Skip on: iOS, tvOS, MacCatalyst, Android, Browser (where applicable)
  • Run on: Windows, Linux, macOS desktop
Testing
After this fix, the four failing tests will be skipped on MacCatalyst in the runtime-extra-platforms pipeline, matching the behavior on iOS, tvOS, and Android.
Note
This PR was created by GitHub Copilot after analyzing mobile platform CI failures in the runtime-extra-platforms pipeline (build 1388505).
Note
🔒 Integrity filter blocked 1 item
The following item were blocked because they don't meet the GitHub integrity level.
  • #126805search_pull_requests: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
To allow these resources, lower min-integrity in your GitHub frontmatter:
tools:
github:
min-integrity: approved # merged | approved | unapproved | none
Generated by Mobile Platform Failure Scanner · ● 2.2M · ◷
@github-actions
Add MacCatalyst to Console OpenStandardHandle test exclusions
126c361
Fixes System.Console.Tests failures on MacCatalyst discovered in build #1388505.
The tests for Console.OpenStandardInputHandle(), OpenStandardOutputHandle(),
and OpenStandardErrorHandle() were already excluding iOS, tvOS, and Android
(where these APIs throw PlatformNotSupportedException), but were missing
MacCatalyst from the exclusion list.
This caused 4 test failures on maccatalyst-arm64:
- OpenStandardInputHandle_ReturnsValidHandle
- OpenStandardOutputHandle_ReturnsValidHandle
- OpenStandardErrorHandle_ReturnsValidHandle
- OpenStandardHandles_DoNotOwnHandle
The fix adds TestPlatforms.MacCatalyst to the exclusion list on all affected
tests, and adds it to the inclusion list on the corresponding "ThrowsOnUnsupportedPlatforms" tests.
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1388505
Job: maccatalyst-arm64 Release AllSubsets_Mono
Work item: System.Console.Tests
Helix job: f4caa84e-1526-4c12-a872-6f24ac6f3ba1
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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See info in area-owners.md if you want to be subscribed.
@kotlarmilos
kotlarmilos
marked this pull request as ready for review
April 22, 2026 11:32
@kotlarmiloskotlarmilos
added this to the 11.0.0 milestone
Apr 22, 2026
CopilotAI
reviewed
Apr 22, 2026
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Pull request overview
This PR fixes System.Console.Tests failures on MacCatalyst by aligning the PlatformSpecific test filters with other mobile platforms where Console.OpenStandard*Handle() is not supported.
Changes:
  • Exclude TestPlatforms.MacCatalyst from tests that expect standard handles to be available/usable.
  • Include TestPlatforms.MacCatalyst in tests that validate PlatformNotSupportedException is thrown on unsupported platforms.
adamsitnik
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approved these changes
Apr 22, 2026
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LGTM, we need to update the code review skill to require the tests to be annotated when testing APIs that are not available on every platform

This was referenced Apr 22, 2026

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@kotlarmilos
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/ba-g wasm job takes longer than the maximum time of 240 minutes
@kotlarmilos
kotlarmilos
merged commit 24c5e6f
into
mainApr 27, 2026

92 of 100 checks passed

@kotlarmilos
kotlarmilos
deleted the

mobile-fix-console-maccatalyst-2f64009d55531485

branch
April 27, 2026 08:54
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
[mobile] Add MacCatalyst to Console OpenStandardHandle test exclusions - #127274
Merged
kotlarmilos merged 2 commits into
mainfrom 
mobile-fix-console-maccatalyst-2f64009d55531485
Apr 27, 2026
Merged
[mobile] Add MacCatalyst to Console OpenStandardHandle test exclusions#127274
kotlarmilos merged 2 commits into
mainfrom 
mobile-fix-console-maccatalyst-2f64009d55531485
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Fixes System.Console.Tests failures on MacCatalyst discovered in runtime-extra-platforms build #1388505.
Failure
Build: #1388505 (2026-04-21)
Job: maccatalyst-arm64 Release AllSubsets_Mono
Helix job: f4caa84e-1526-4c12-a872-6f24ac6f3ba1
Work item: System.Console.Tests
Platform: MacCatalyst arm64 (also affects maccatalyst-x64)
Failed tests
Four tests failed with PlatformNotSupportedException:
  1. OpenStandardInputHandle_ReturnsValidHandle
  2. OpenStandardOutputHandle_ReturnsValidHandle
  3. OpenStandardErrorHandle_ReturnsValidHandle
  4. OpenStandardHandles_DoNotOwnHandle
[FAIL] System.Tests.ConsoleTests.OpenStandardInputHandle_ReturnsValidHandle
System.PlatformNotSupportedException : Operation is not supported on this platform.
at System.ConsolePal.OpenStandardInputHandle()
at System.Console.OpenStandardInputHandle()

Root cause
The Console.OpenStandardXXXHandle() methods throw PlatformNotSupportedException on mobile platforms (iOS, tvOS, Android, MacCatalyst) because these platforms do not expose the underlying file handles for standard streams.
The existing tests already had [PlatformSpecific] attributes excluding iOS, tvOS, and Android, but MacCatalyst was missing from the exclusion list. This is an oversight because MacCatalyst has the same limitation as other Apple mobile platforms.
Fix
Add TestPlatforms.MacCatalyst to the exclusion list (using & ~TestPlatforms.MacCatalyst) on all five tests that attempt to use these APIs, and add it to the inclusion list on the three "ThrowsOnUnsupportedPlatforms" tests that validate the exception is thrown.
This makes the skip coverage consistent across all mobile platforms:
  • Skip on: iOS, tvOS, MacCatalyst, Android, Browser (where applicable)
  • Run on: Windows, Linux, macOS desktop
Testing
After this fix, the four failing tests will be skipped on MacCatalyst in the runtime-extra-platforms pipeline, matching the behavior on iOS, tvOS, and Android.
Note
This PR was created by GitHub Copilot after analyzing mobile platform CI failures in the runtime-extra-platforms pipeline (build 1388505).
Note
🔒 Integrity filter blocked 1 item
The following item were blocked because they don't meet the GitHub integrity level.
  • #126805search_pull_requests: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
To allow these resources, lower min-integrity in your GitHub frontmatter:
tools:
github:
min-integrity: approved # merged | approved | unapproved | none
Generated by Mobile Platform Failure Scanner · ● 2.2M · ◷
@github-actions
Add MacCatalyst to Console OpenStandardHandle test exclusions
126c361
Fixes System.Console.Tests failures on MacCatalyst discovered in build #1388505.
The tests for Console.OpenStandardInputHandle(), OpenStandardOutputHandle(),
and OpenStandardErrorHandle() were already excluding iOS, tvOS, and Android
(where these APIs throw PlatformNotSupportedException), but were missing
MacCatalyst from the exclusion list.
This caused 4 test failures on maccatalyst-arm64:
- OpenStandardInputHandle_ReturnsValidHandle
- OpenStandardOutputHandle_ReturnsValidHandle
- OpenStandardErrorHandle_ReturnsValidHandle
- OpenStandardHandles_DoNotOwnHandle
The fix adds TestPlatforms.MacCatalyst to the exclusion list on all affected
tests, and adds it to the inclusion list on the corresponding "ThrowsOnUnsupportedPlatforms" tests.
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1388505
Job: maccatalyst-arm64 Release AllSubsets_Mono
Work item: System.Console.Tests
Helix job: f4caa84e-1526-4c12-a872-6f24ac6f3ba1
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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@kotlarmilos
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marked this pull request as ready for review
April 22, 2026 11:32
@kotlarmiloskotlarmilos
added this to the 11.0.0 milestone
Apr 22, 2026
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Pull request overview
This PR fixes System.Console.Tests failures on MacCatalyst by aligning the PlatformSpecific test filters with other mobile platforms where Console.OpenStandard*Handle() is not supported.
Changes:
  • Exclude TestPlatforms.MacCatalyst from tests that expect standard handles to be available/usable.
  • Include TestPlatforms.MacCatalyst in tests that validate PlatformNotSupportedException is thrown on unsupported platforms.
adamsitnik
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Apr 22, 2026
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LGTM, we need to update the code review skill to require the tests to be annotated when testing APIs that are not available on every platform

This was referenced Apr 22, 2026

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@kotlarmilos
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/ba-g wasm job takes longer than the maximum time of 240 minutes
@kotlarmilos
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merged commit 24c5e6f
into
mainApr 27, 2026

92 of 100 checks passed

@kotlarmilos
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deleted the

mobile-fix-console-maccatalyst-2f64009d55531485

branch
April 27, 2026 08:54
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
[mobile] Add MacCatalyst to Console OpenStandardHandle test exclusions - #127274
Merged
kotlarmilos merged 2 commits into
mainfrom 
mobile-fix-console-maccatalyst-2f64009d55531485
Apr 27, 2026
Merged
[mobile] Add MacCatalyst to Console OpenStandardHandle test exclusions#127274
kotlarmilos merged 2 commits into
mainfrom 
mobile-fix-console-maccatalyst-2f64009d55531485
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Fixes System.Console.Tests failures on MacCatalyst discovered in runtime-extra-platforms build #1388505.
Failure
Build: #1388505 (2026-04-21)
Job: maccatalyst-arm64 Release AllSubsets_Mono
Helix job: f4caa84e-1526-4c12-a872-6f24ac6f3ba1
Work item: System.Console.Tests
Platform: MacCatalyst arm64 (also affects maccatalyst-x64)
Failed tests
Four tests failed with PlatformNotSupportedException:
  1. OpenStandardInputHandle_ReturnsValidHandle
  2. OpenStandardOutputHandle_ReturnsValidHandle
  3. OpenStandardErrorHandle_ReturnsValidHandle
  4. OpenStandardHandles_DoNotOwnHandle
[FAIL] System.Tests.ConsoleTests.OpenStandardInputHandle_ReturnsValidHandle
System.PlatformNotSupportedException : Operation is not supported on this platform.
at System.ConsolePal.OpenStandardInputHandle()
at System.Console.OpenStandardInputHandle()

Root cause
The Console.OpenStandardXXXHandle() methods throw PlatformNotSupportedException on mobile platforms (iOS, tvOS, Android, MacCatalyst) because these platforms do not expose the underlying file handles for standard streams.
The existing tests already had [PlatformSpecific] attributes excluding iOS, tvOS, and Android, but MacCatalyst was missing from the exclusion list. This is an oversight because MacCatalyst has the same limitation as other Apple mobile platforms.
Fix
Add TestPlatforms.MacCatalyst to the exclusion list (using & ~TestPlatforms.MacCatalyst) on all five tests that attempt to use these APIs, and add it to the inclusion list on the three "ThrowsOnUnsupportedPlatforms" tests that validate the exception is thrown.
This makes the skip coverage consistent across all mobile platforms:
  • Skip on: iOS, tvOS, MacCatalyst, Android, Browser (where applicable)
  • Run on: Windows, Linux, macOS desktop
Testing
After this fix, the four failing tests will be skipped on MacCatalyst in the runtime-extra-platforms pipeline, matching the behavior on iOS, tvOS, and Android.
Note
This PR was created by GitHub Copilot after analyzing mobile platform CI failures in the runtime-extra-platforms pipeline (build 1388505).
Note
🔒 Integrity filter blocked 1 item
The following item were blocked because they don't meet the GitHub integrity level.
  • #126805search_pull_requests: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
To allow these resources, lower min-integrity in your GitHub frontmatter:
tools:
github:
min-integrity: approved # merged | approved | unapproved | none
Generated by Mobile Platform Failure Scanner · ● 2.2M · ◷
@github-actions
Add MacCatalyst to Console OpenStandardHandle test exclusions
126c361
Fixes System.Console.Tests failures on MacCatalyst discovered in build #1388505.
The tests for Console.OpenStandardInputHandle(), OpenStandardOutputHandle(),
and OpenStandardErrorHandle() were already excluding iOS, tvOS, and Android
(where these APIs throw PlatformNotSupportedException), but were missing
MacCatalyst from the exclusion list.
This caused 4 test failures on maccatalyst-arm64:
- OpenStandardInputHandle_ReturnsValidHandle
- OpenStandardOutputHandle_ReturnsValidHandle
- OpenStandardErrorHandle_ReturnsValidHandle
- OpenStandardHandles_DoNotOwnHandle
The fix adds TestPlatforms.MacCatalyst to the exclusion list on all affected
tests, and adds it to the inclusion list on the corresponding "ThrowsOnUnsupportedPlatforms" tests.
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1388505
Job: maccatalyst-arm64 Release AllSubsets_Mono
Work item: System.Console.Tests
Helix job: f4caa84e-1526-4c12-a872-6f24ac6f3ba1
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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@kotlarmilos
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marked this pull request as ready for review
April 22, 2026 11:32
@kotlarmiloskotlarmilos
added this to the 11.0.0 milestone
Apr 22, 2026
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Pull request overview
This PR fixes System.Console.Tests failures on MacCatalyst by aligning the PlatformSpecific test filters with other mobile platforms where Console.OpenStandard*Handle() is not supported.
Changes:
  • Exclude TestPlatforms.MacCatalyst from tests that expect standard handles to be available/usable.
  • Include TestPlatforms.MacCatalyst in tests that validate PlatformNotSupportedException is thrown on unsupported platforms.
adamsitnik
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LGTM, we need to update the code review skill to require the tests to be annotated when testing APIs that are not available on every platform

This was referenced Apr 22, 2026

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/ba-g wasm job takes longer than the maximum time of 240 minutes
@kotlarmilos
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merged commit 24c5e6f
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92 of 100 checks passed

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deleted the

mobile-fix-console-maccatalyst-2f64009d55531485

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April 27, 2026 08:54
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
[mobile] Add MacCatalyst to Console OpenStandardHandle test exclusions - #127274
Merged
kotlarmilos merged 2 commits into
mainfrom 
mobile-fix-console-maccatalyst-2f64009d55531485
Apr 27, 2026
Merged
[mobile] Add MacCatalyst to Console OpenStandardHandle test exclusions#127274
kotlarmilos merged 2 commits into
mainfrom 
mobile-fix-console-maccatalyst-2f64009d55531485
Conversation
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Fixes System.Console.Tests failures on MacCatalyst discovered in runtime-extra-platforms build #1388505.
Failure
Build: #1388505 (2026-04-21)
Job: maccatalyst-arm64 Release AllSubsets_Mono
Helix job: f4caa84e-1526-4c12-a872-6f24ac6f3ba1
Work item: System.Console.Tests
Platform: MacCatalyst arm64 (also affects maccatalyst-x64)
Failed tests
Four tests failed with PlatformNotSupportedException:
  1. OpenStandardInputHandle_ReturnsValidHandle
  2. OpenStandardOutputHandle_ReturnsValidHandle
  3. OpenStandardErrorHandle_ReturnsValidHandle
  4. OpenStandardHandles_DoNotOwnHandle
[FAIL] System.Tests.ConsoleTests.OpenStandardInputHandle_ReturnsValidHandle
System.PlatformNotSupportedException : Operation is not supported on this platform.
at System.ConsolePal.OpenStandardInputHandle()
at System.Console.OpenStandardInputHandle()

Root cause
The Console.OpenStandardXXXHandle() methods throw PlatformNotSupportedException on mobile platforms (iOS, tvOS, Android, MacCatalyst) because these platforms do not expose the underlying file handles for standard streams.
The existing tests already had [PlatformSpecific] attributes excluding iOS, tvOS, and Android, but MacCatalyst was missing from the exclusion list. This is an oversight because MacCatalyst has the same limitation as other Apple mobile platforms.
Fix
Add TestPlatforms.MacCatalyst to the exclusion list (using & ~TestPlatforms.MacCatalyst) on all five tests that attempt to use these APIs, and add it to the inclusion list on the three "ThrowsOnUnsupportedPlatforms" tests that validate the exception is thrown.
This makes the skip coverage consistent across all mobile platforms:
  • Skip on: iOS, tvOS, MacCatalyst, Android, Browser (where applicable)
  • Run on: Windows, Linux, macOS desktop
Testing
After this fix, the four failing tests will be skipped on MacCatalyst in the runtime-extra-platforms pipeline, matching the behavior on iOS, tvOS, and Android.
Note
This PR was created by GitHub Copilot after analyzing mobile platform CI failures in the runtime-extra-platforms pipeline (build 1388505).
Note
🔒 Integrity filter blocked 1 item
The following item were blocked because they don't meet the GitHub integrity level.
  • #126805search_pull_requests: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
To allow these resources, lower min-integrity in your GitHub frontmatter:
tools:
github:
min-integrity: approved # merged | approved | unapproved | none
Generated by Mobile Platform Failure Scanner · ● 2.2M · ◷
@github-actions
Add MacCatalyst to Console OpenStandardHandle test exclusions
126c361
Fixes System.Console.Tests failures on MacCatalyst discovered in build #1388505.
The tests for Console.OpenStandardInputHandle(), OpenStandardOutputHandle(),
and OpenStandardErrorHandle() were already excluding iOS, tvOS, and Android
(where these APIs throw PlatformNotSupportedException), but were missing
MacCatalyst from the exclusion list.
This caused 4 test failures on maccatalyst-arm64:
- OpenStandardInputHandle_ReturnsValidHandle
- OpenStandardOutputHandle_ReturnsValidHandle
- OpenStandardErrorHandle_ReturnsValidHandle
- OpenStandardHandles_DoNotOwnHandle
The fix adds TestPlatforms.MacCatalyst to the exclusion list on all affected
tests, and adds it to the inclusion list on the corresponding "ThrowsOnUnsupportedPlatforms" tests.
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1388505
Job: maccatalyst-arm64 Release AllSubsets_Mono
Work item: System.Console.Tests
Helix job: f4caa84e-1526-4c12-a872-6f24ac6f3ba1
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Tagging subscribers to this area: @dotnet/area-system-console

See info in area-owners.md if you want to be subscribed.
@kotlarmilos
kotlarmilos
marked this pull request as ready for review
April 22, 2026 11:32
@kotlarmiloskotlarmilos
added this to the 11.0.0 milestone
Apr 22, 2026
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Apr 22, 2026
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Pull request overview
This PR fixes System.Console.Tests failures on MacCatalyst by aligning the PlatformSpecific test filters with other mobile platforms where Console.OpenStandard*Handle() is not supported.
Changes:
  • Exclude TestPlatforms.MacCatalyst from tests that expect standard handles to be available/usable.
  • Include TestPlatforms.MacCatalyst in tests that validate PlatformNotSupportedException is thrown on unsupported platforms.
adamsitnik
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approved these changes
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LGTM, we need to update the code review skill to require the tests to be annotated when testing APIs that are not available on every platform

This was referenced Apr 22, 2026

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/ba-g wasm job takes longer than the maximum time of 240 minutes
@kotlarmilos
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merged commit 24c5e6f
into
mainApr 27, 2026

92 of 100 checks passed

@kotlarmilos
kotlarmilos
deleted the

mobile-fix-console-maccatalyst-2f64009d55531485

branch
April 27, 2026 08:54
@dotnet-maestrodotnet-maestroBot
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agentic-workflowsarea-System.Consoleos-iosApple iOSos-maccatalystMacCatalyst OSos-tvosApple tvOS

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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
[mobile] Add MacCatalyst to Console OpenStandardHandle test exclusions - #127274
Merged
kotlarmilos merged 2 commits into
mainfrom 
mobile-fix-console-maccatalyst-2f64009d55531485
Apr 27, 2026
Merged
[mobile] Add MacCatalyst to Console OpenStandardHandle test exclusions#127274
kotlarmilos merged 2 commits into
mainfrom 
mobile-fix-console-maccatalyst-2f64009d55531485
Conversation
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Fixes System.Console.Tests failures on MacCatalyst discovered in runtime-extra-platforms build #1388505.
Failure
Build: #1388505 (2026-04-21)
Job: maccatalyst-arm64 Release AllSubsets_Mono
Helix job: f4caa84e-1526-4c12-a872-6f24ac6f3ba1
Work item: System.Console.Tests
Platform: MacCatalyst arm64 (also affects maccatalyst-x64)
Failed tests
Four tests failed with PlatformNotSupportedException:
  1. OpenStandardInputHandle_ReturnsValidHandle
  2. OpenStandardOutputHandle_ReturnsValidHandle
  3. OpenStandardErrorHandle_ReturnsValidHandle
  4. OpenStandardHandles_DoNotOwnHandle
[FAIL] System.Tests.ConsoleTests.OpenStandardInputHandle_ReturnsValidHandle
System.PlatformNotSupportedException : Operation is not supported on this platform.
at System.ConsolePal.OpenStandardInputHandle()
at System.Console.OpenStandardInputHandle()

Root cause
The Console.OpenStandardXXXHandle() methods throw PlatformNotSupportedException on mobile platforms (iOS, tvOS, Android, MacCatalyst) because these platforms do not expose the underlying file handles for standard streams.
The existing tests already had [PlatformSpecific] attributes excluding iOS, tvOS, and Android, but MacCatalyst was missing from the exclusion list. This is an oversight because MacCatalyst has the same limitation as other Apple mobile platforms.
Fix
Add TestPlatforms.MacCatalyst to the exclusion list (using & ~TestPlatforms.MacCatalyst) on all five tests that attempt to use these APIs, and add it to the inclusion list on the three "ThrowsOnUnsupportedPlatforms" tests that validate the exception is thrown.
This makes the skip coverage consistent across all mobile platforms:
  • Skip on: iOS, tvOS, MacCatalyst, Android, Browser (where applicable)
  • Run on: Windows, Linux, macOS desktop
Testing
After this fix, the four failing tests will be skipped on MacCatalyst in the runtime-extra-platforms pipeline, matching the behavior on iOS, tvOS, and Android.
Note
This PR was created by GitHub Copilot after analyzing mobile platform CI failures in the runtime-extra-platforms pipeline (build 1388505).
Note
🔒 Integrity filter blocked 1 item
The following item were blocked because they don't meet the GitHub integrity level.
  • #126805search_pull_requests: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
To allow these resources, lower min-integrity in your GitHub frontmatter:
tools:
github:
min-integrity: approved # merged | approved | unapproved | none
Generated by Mobile Platform Failure Scanner · ● 2.2M · ◷
@github-actions
Add MacCatalyst to Console OpenStandardHandle test exclusions
126c361
Fixes System.Console.Tests failures on MacCatalyst discovered in build #1388505.
The tests for Console.OpenStandardInputHandle(), OpenStandardOutputHandle(),
and OpenStandardErrorHandle() were already excluding iOS, tvOS, and Android
(where these APIs throw PlatformNotSupportedException), but were missing
MacCatalyst from the exclusion list.
This caused 4 test failures on maccatalyst-arm64:
- OpenStandardInputHandle_ReturnsValidHandle
- OpenStandardOutputHandle_ReturnsValidHandle
- OpenStandardErrorHandle_ReturnsValidHandle
- OpenStandardHandles_DoNotOwnHandle
The fix adds TestPlatforms.MacCatalyst to the exclusion list on all affected
tests, and adds it to the inclusion list on the corresponding "ThrowsOnUnsupportedPlatforms" tests.
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1388505
Job: maccatalyst-arm64 Release AllSubsets_Mono
Work item: System.Console.Tests
Helix job: f4caa84e-1526-4c12-a872-6f24ac6f3ba1
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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@kotlarmilos
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marked this pull request as ready for review
April 22, 2026 11:32
@kotlarmiloskotlarmilos
added this to the 11.0.0 milestone
Apr 22, 2026
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Pull request overview
This PR fixes System.Console.Tests failures on MacCatalyst by aligning the PlatformSpecific test filters with other mobile platforms where Console.OpenStandard*Handle() is not supported.
Changes:
  • Exclude TestPlatforms.MacCatalyst from tests that expect standard handles to be available/usable.
  • Include TestPlatforms.MacCatalyst in tests that validate PlatformNotSupportedException is thrown on unsupported platforms.
adamsitnik
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Apr 22, 2026
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LGTM, we need to update the code review skill to require the tests to be annotated when testing APIs that are not available on every platform

This was referenced Apr 22, 2026

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/ba-g wasm job takes longer than the maximum time of 240 minutes
@kotlarmilos
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merged commit 24c5e6f
into
mainApr 27, 2026

92 of 100 checks passed

@kotlarmilos
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deleted the

mobile-fix-console-maccatalyst-2f64009d55531485

branch
April 27, 2026 08:54
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
[mobile] Add MacCatalyst to Console OpenStandardHandle test exclusions - #127274
Merged
kotlarmilos merged 2 commits into
mainfrom 
mobile-fix-console-maccatalyst-2f64009d55531485
Apr 27, 2026
Merged
[mobile] Add MacCatalyst to Console OpenStandardHandle test exclusions#127274
kotlarmilos merged 2 commits into
mainfrom 
mobile-fix-console-maccatalyst-2f64009d55531485
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Fixes System.Console.Tests failures on MacCatalyst discovered in runtime-extra-platforms build #1388505.
Failure
Build: #1388505 (2026-04-21)
Job: maccatalyst-arm64 Release AllSubsets_Mono
Helix job: f4caa84e-1526-4c12-a872-6f24ac6f3ba1
Work item: System.Console.Tests
Platform: MacCatalyst arm64 (also affects maccatalyst-x64)
Failed tests
Four tests failed with PlatformNotSupportedException:
  1. OpenStandardInputHandle_ReturnsValidHandle
  2. OpenStandardOutputHandle_ReturnsValidHandle
  3. OpenStandardErrorHandle_ReturnsValidHandle
  4. OpenStandardHandles_DoNotOwnHandle
[FAIL] System.Tests.ConsoleTests.OpenStandardInputHandle_ReturnsValidHandle
System.PlatformNotSupportedException : Operation is not supported on this platform.
at System.ConsolePal.OpenStandardInputHandle()
at System.Console.OpenStandardInputHandle()

Root cause
The Console.OpenStandardXXXHandle() methods throw PlatformNotSupportedException on mobile platforms (iOS, tvOS, Android, MacCatalyst) because these platforms do not expose the underlying file handles for standard streams.
The existing tests already had [PlatformSpecific] attributes excluding iOS, tvOS, and Android, but MacCatalyst was missing from the exclusion list. This is an oversight because MacCatalyst has the same limitation as other Apple mobile platforms.
Fix
Add TestPlatforms.MacCatalyst to the exclusion list (using & ~TestPlatforms.MacCatalyst) on all five tests that attempt to use these APIs, and add it to the inclusion list on the three "ThrowsOnUnsupportedPlatforms" tests that validate the exception is thrown.
This makes the skip coverage consistent across all mobile platforms:
  • Skip on: iOS, tvOS, MacCatalyst, Android, Browser (where applicable)
  • Run on: Windows, Linux, macOS desktop
Testing
After this fix, the four failing tests will be skipped on MacCatalyst in the runtime-extra-platforms pipeline, matching the behavior on iOS, tvOS, and Android.
Note
This PR was created by GitHub Copilot after analyzing mobile platform CI failures in the runtime-extra-platforms pipeline (build 1388505).
Note
🔒 Integrity filter blocked 1 item
The following item were blocked because they don't meet the GitHub integrity level.
  • #126805search_pull_requests: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
To allow these resources, lower min-integrity in your GitHub frontmatter:
tools:
github:
min-integrity: approved # merged | approved | unapproved | none
Generated by Mobile Platform Failure Scanner · ● 2.2M · ◷
@github-actions
Add MacCatalyst to Console OpenStandardHandle test exclusions
126c361
Fixes System.Console.Tests failures on MacCatalyst discovered in build #1388505.
The tests for Console.OpenStandardInputHandle(), OpenStandardOutputHandle(),
and OpenStandardErrorHandle() were already excluding iOS, tvOS, and Android
(where these APIs throw PlatformNotSupportedException), but were missing
MacCatalyst from the exclusion list.
This caused 4 test failures on maccatalyst-arm64:
- OpenStandardInputHandle_ReturnsValidHandle
- OpenStandardOutputHandle_ReturnsValidHandle
- OpenStandardErrorHandle_ReturnsValidHandle
- OpenStandardHandles_DoNotOwnHandle
The fix adds TestPlatforms.MacCatalyst to the exclusion list on all affected
tests, and adds it to the inclusion list on the corresponding "ThrowsOnUnsupportedPlatforms" tests.
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1388505
Job: maccatalyst-arm64 Release AllSubsets_Mono
Work item: System.Console.Tests
Helix job: f4caa84e-1526-4c12-a872-6f24ac6f3ba1
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Pull request overview
This PR fixes System.Console.Tests failures on MacCatalyst by aligning the PlatformSpecific test filters with other mobile platforms where Console.OpenStandard*Handle() is not supported.
Changes:
  • Exclude TestPlatforms.MacCatalyst from tests that expect standard handles to be available/usable.
  • Include TestPlatforms.MacCatalyst in tests that validate PlatformNotSupportedException is thrown on unsupported platforms.
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LGTM, we need to update the code review skill to require the tests to be annotated when testing APIs that are not available on every platform

This was referenced Apr 22, 2026

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/ba-g wasm job takes longer than the maximum time of 240 minutes
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agentic-workflowsarea-System.Consoleos-iosApple iOSos-maccatalystMacCatalyst OSos-tvosApple tvOS

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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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[mobile] Add MacCatalyst to Console OpenStandardHandle test exclusions - #127274
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kotlarmilos merged 2 commits into
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mobile-fix-console-maccatalyst-2f64009d55531485
Apr 27, 2026
Merged
[mobile] Add MacCatalyst to Console OpenStandardHandle test exclusions#127274
kotlarmilos merged 2 commits into
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mobile-fix-console-maccatalyst-2f64009d55531485
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Fixes System.Console.Tests failures on MacCatalyst discovered in runtime-extra-platforms build #1388505.
Failure
Build: #1388505 (2026-04-21)
Job: maccatalyst-arm64 Release AllSubsets_Mono
Helix job: f4caa84e-1526-4c12-a872-6f24ac6f3ba1
Work item: System.Console.Tests
Platform: MacCatalyst arm64 (also affects maccatalyst-x64)
Failed tests
Four tests failed with PlatformNotSupportedException:
  1. OpenStandardInputHandle_ReturnsValidHandle
  2. OpenStandardOutputHandle_ReturnsValidHandle
  3. OpenStandardErrorHandle_ReturnsValidHandle
  4. OpenStandardHandles_DoNotOwnHandle
[FAIL] System.Tests.ConsoleTests.OpenStandardInputHandle_ReturnsValidHandle
System.PlatformNotSupportedException : Operation is not supported on this platform.
at System.ConsolePal.OpenStandardInputHandle()
at System.Console.OpenStandardInputHandle()

Root cause
The Console.OpenStandardXXXHandle() methods throw PlatformNotSupportedException on mobile platforms (iOS, tvOS, Android, MacCatalyst) because these platforms do not expose the underlying file handles for standard streams.
The existing tests already had [PlatformSpecific] attributes excluding iOS, tvOS, and Android, but MacCatalyst was missing from the exclusion list. This is an oversight because MacCatalyst has the same limitation as other Apple mobile platforms.
Fix
Add TestPlatforms.MacCatalyst to the exclusion list (using & ~TestPlatforms.MacCatalyst) on all five tests that attempt to use these APIs, and add it to the inclusion list on the three "ThrowsOnUnsupportedPlatforms" tests that validate the exception is thrown.
This makes the skip coverage consistent across all mobile platforms:
  • Skip on: iOS, tvOS, MacCatalyst, Android, Browser (where applicable)
  • Run on: Windows, Linux, macOS desktop
Testing
After this fix, the four failing tests will be skipped on MacCatalyst in the runtime-extra-platforms pipeline, matching the behavior on iOS, tvOS, and Android.
Note
This PR was created by GitHub Copilot after analyzing mobile platform CI failures in the runtime-extra-platforms pipeline (build 1388505).
Note
🔒 Integrity filter blocked 1 item
The following item were blocked because they don't meet the GitHub integrity level.
  • #126805search_pull_requests: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
To allow these resources, lower min-integrity in your GitHub frontmatter:
tools:
github:
min-integrity: approved # merged | approved | unapproved | none
Generated by Mobile Platform Failure Scanner · ● 2.2M · ◷
@github-actions
Add MacCatalyst to Console OpenStandardHandle test exclusions
126c361
Fixes System.Console.Tests failures on MacCatalyst discovered in build #1388505.
The tests for Console.OpenStandardInputHandle(), OpenStandardOutputHandle(),
and OpenStandardErrorHandle() were already excluding iOS, tvOS, and Android
(where these APIs throw PlatformNotSupportedException), but were missing
MacCatalyst from the exclusion list.
This caused 4 test failures on maccatalyst-arm64:
- OpenStandardInputHandle_ReturnsValidHandle
- OpenStandardOutputHandle_ReturnsValidHandle
- OpenStandardErrorHandle_ReturnsValidHandle
- OpenStandardHandles_DoNotOwnHandle
The fix adds TestPlatforms.MacCatalyst to the exclusion list on all affected
tests, and adds it to the inclusion list on the corresponding "ThrowsOnUnsupportedPlatforms" tests.
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1388505
Job: maccatalyst-arm64 Release AllSubsets_Mono
Work item: System.Console.Tests
Helix job: f4caa84e-1526-4c12-a872-6f24ac6f3ba1
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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marked this pull request as ready for review
April 22, 2026 11:32
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added this to the 11.0.0 milestone
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Pull request overview
This PR fixes System.Console.Tests failures on MacCatalyst by aligning the PlatformSpecific test filters with other mobile platforms where Console.OpenStandard*Handle() is not supported.
Changes:
  • Exclude TestPlatforms.MacCatalyst from tests that expect standard handles to be available/usable.
  • Include TestPlatforms.MacCatalyst in tests that validate PlatformNotSupportedException is thrown on unsupported platforms.
adamsitnik
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Apr 22, 2026
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LGTM, we need to update the code review skill to require the tests to be annotated when testing APIs that are not available on every platform

This was referenced Apr 22, 2026

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@kotlarmilos
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Apr 27, 2026

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/ba-g wasm job takes longer than the maximum time of 240 minutes
@kotlarmilos
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merged commit 24c5e6f
into
mainApr 27, 2026

92 of 100 checks passed

@kotlarmilos
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deleted the

mobile-fix-console-maccatalyst-2f64009d55531485

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April 27, 2026 08:54
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