test: check symbols in shared lib

When building the node with `--shared` option, we need
to verify the symbols in shared lib instead of executable.
Refs: #18535
Signed-off-by: Yihong Wang <yh.wang@ibm.com>
PR-URL: #18806
Refs: #18535
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>

Author: yhwang

test/common/shared-lib-util.js

@@ -1,5 +1,6 @@
 /* eslint-disable required-modules */
 'use strict';
+constcommon=require('../common');
 constpath=require('path');
 
 // If node executable is linked to shared lib, need to take care about the
@@ -27,3 +28,17 @@ exports.addLibraryPath = function(env) {
 (env.PATH ? env.PATH+path.delimiter : '')+
 path.dirname(process.execPath);
 };
+
+// Get the full path of shared lib
+exports.getSharedLibPath=function(){
+if(common.isWindows){
+returnpath.join(path.dirname(process.execPath),'node.dll');
+}elseif(common.isOSX){
+returnpath.join(path.dirname(process.execPath),
+`libnode.${process.config.variables.shlib_suffix}`);
+}else{
+returnpath.join(path.dirname(process.execPath),
+'lib.target',
+`libnode.${process.config.variables.shlib_suffix}`);
+}
+};

test/parallel/test-postmortem-metadata.js

@@ -7,7 +7,13 @@
 constcommon=require('../common');
 constassert=require('assert');
 const{ spawnSync }=require('child_process');
-constargs=[process.execPath];
+const{ getSharedLibPath }=require('../common/shared-lib-util.js');
+
+// For shared lib case, check shared lib instead
+constargs=[
+process.config.variables.node_shared ?
+getSharedLibPath() : process.execPath
+];
 
 if(common.isAIX)
 args.unshift('-Xany','-B');