[v10.x] test: move test-readuint to test-buffer-readuint

test/parallel/test-buffer-readuint.js

@@ -0,0 +1,167 @@
+'use strict';
+
+require('../common');
+const assert = require('assert');
+
+// Test OOB
+{
+ const buffer = Buffer.alloc(4);
+
+ ['UInt8', 'UInt16BE', 'UInt16LE', 'UInt32BE', 'UInt32LE'].forEach((fn) => {
+
+ // Verify that default offset works fine.
+ buffer[`read${fn}`](undefined);
+ buffer[`read${fn}`]();
+
+ ['', '0', null, {}, [], () => {}, true, false].forEach((o) => {
+ assert.throws(
+ () => buffer[`read${fn}`](o),
+ {
+ code: 'ERR_INVALID_ARG_TYPE',
+ name: 'TypeError [ERR_INVALID_ARG_TYPE]'
+ });
+ });
+
+ [Infinity, -1, -4294967295].forEach((offset) => {
+ assert.throws(
+ () => buffer[`read${fn}`](offset),
+ {
+ code: 'ERR_OUT_OF_RANGE',
+ name: 'RangeError [ERR_OUT_OF_RANGE]'
+ });
+ });
+
+ [NaN, 1.01].forEach((offset) => {
+ assert.throws(
+ () => buffer[`read${fn}`](offset),
+ {
+ code: 'ERR_OUT_OF_RANGE',
+ name: 'RangeError [ERR_OUT_OF_RANGE]',
+ message: 'The value of "offset" is out of range. ' +
+ `It must be an integer. Received ${offset}`
+ });
+ });
+ });
+}
+
+// Test 8 bit unsigned integers
+{
+ const data = Buffer.from([0xff, 0x2a, 0x2a, 0x2a]);
+ assert.strictEqual(255, data.readUInt8(0));
+ assert.strictEqual(42, data.readUInt8(1));
+ assert.strictEqual(42, data.readUInt8(2));
+ assert.strictEqual(42, data.readUInt8(3));
+}
+
+// Test 16 bit unsigned integers
+{
+ const data = Buffer.from([0x00, 0x2a, 0x42, 0x3f]);
+ assert.strictEqual(0x2a, data.readUInt16BE(0));
+ assert.strictEqual(0x2a42, data.readUInt16BE(1));
+ assert.strictEqual(0x423f, data.readUInt16BE(2));
+ assert.strictEqual(0x2a00, data.readUInt16LE(0));
+ assert.strictEqual(0x422a, data.readUInt16LE(1));
+ assert.strictEqual(0x3f42, data.readUInt16LE(2));
+
+ data[0] = 0xfe;
+ data[1] = 0xfe;
+ assert.strictEqual(0xfefe, data.readUInt16BE(0));
+ assert.strictEqual(0xfefe, data.readUInt16LE(0));
+}
+
+// Test 32 bit unsigned integers
+{
+ const data = Buffer.from([0x32, 0x65, 0x42, 0x56, 0x23, 0xff]);
+ assert.strictEqual(0x32654256, data.readUInt32BE(0));
+ assert.strictEqual(0x65425623, data.readUInt32BE(1));
+ assert.strictEqual(0x425623ff, data.readUInt32BE(2));
+ assert.strictEqual(0x56426532, data.readUInt32LE(0));
+ assert.strictEqual(0x23564265, data.readUInt32LE(1));
+ assert.strictEqual(0xff235642, data.readUInt32LE(2));
+}
+
+// Test UInt
+{
+ const buffer = Buffer.from([0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08]);
+
+ assert.strictEqual(buffer.readUIntLE(0), 0x01);
+ assert.strictEqual(buffer.readUIntLE(0, 1), 0x01);
+ assert.strictEqual(buffer.readUIntBE(0), 0x01);
+ assert.strictEqual(buffer.readUIntBE(0, 1), 0x01);
+ assert.strictEqual(buffer.readUIntLE(0, 3), 0x030201);
+ assert.strictEqual(buffer.readUIntBE(0, 3), 0x010203);
+ assert.strictEqual(buffer.readUIntLE(0, 5), 0x0504030201);
+ assert.strictEqual(buffer.readUIntBE(0, 5), 0x0102030405);
+ assert.strictEqual(buffer.readUIntLE(0, 6), 0x060504030201);
+ assert.strictEqual(buffer.readUIntBE(0, 6), 0x010203040506);
+ assert.strictEqual(buffer.readUIntLE(1, 6), 0x070605040302);
+ assert.strictEqual(buffer.readUIntBE(1, 6), 0x020304050607);
+ assert.strictEqual(buffer.readUIntLE(2, 6), 0x080706050403);
+ assert.strictEqual(buffer.readUIntBE(2, 6), 0x030405060708);
+
+ // Check byteLength.
+ ['readUIntBE', 'readUIntLE'].forEach((fn) => {
+ ['', '0', null, {}, [], () => {}, true, false].forEach((len) => {
+ assert.throws(
+ () => buffer[fn](0, len),
+ { code: 'ERR_INVALID_ARG_TYPE' });
+ });
+
+ [Infinity, -1].forEach((byteLength) => {
+ assert.throws(
+ () => buffer[fn](0, byteLength),
+ {
+ code: 'ERR_OUT_OF_RANGE',
+ message: 'The value of "byteLength" is out of range. ' +
+ `It must be >= 1 and <= 6. Received ${byteLength}`
+ });
+ });
+
+ [NaN, 1.01].forEach((byteLength) => {
+ assert.throws(
+ () => buffer[fn](0, byteLength),
+ {
+ code: 'ERR_OUT_OF_RANGE',
+ name: 'RangeError [ERR_OUT_OF_RANGE]',
+ message: 'The value of "byteLength" is out of range. ' +
+ `It must be an integer. Received ${byteLength}`
+ });
+ });
+ });
+
+ // Test 1 to 6 bytes.
+ for (let i = 1; i < 6; i++) {
+ ['readUIntBE', 'readUIntLE'].forEach((fn) => {
+ ['', '0', null, {}, [], () => {}, true, false].forEach((o) => {
+ assert.throws(
+ () => buffer[fn](o, i),
+ {
+ code: 'ERR_INVALID_ARG_TYPE',
+ name: 'TypeError [ERR_INVALID_ARG_TYPE]'
+ });
+ });
+
+ [Infinity, -1, -4294967295].forEach((offset) => {
+ assert.throws(
+ () => buffer[fn](offset, i),
+ {
+ code: 'ERR_OUT_OF_RANGE',
+ name: 'RangeError [ERR_OUT_OF_RANGE]',
+ message: 'The value of "offset" is out of range. ' +
+ `It must be >= 0 and <= ${8 - i}. Received ${offset}`
+ });
+ });
+
+ [NaN, 1.01].forEach((offset) => {
+ assert.throws(
+ () => buffer[fn](offset, i),
+ {
+ code: 'ERR_OUT_OF_RANGE',
+ name: 'RangeError [ERR_OUT_OF_RANGE]',
+ message: 'The value of "offset" is out of range. ' +
+ `It must be an integer. Received ${offset}`
+ });
+ });
+ });
+ }
+}