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console,test: make message test more accurate

Make a message test more accurate in what it’s testing for.
This requires not swallowing stack overflow RangeErrors in
`console.log` and similar methods, which I would consider a
bugfix in itself.

PR-URL: https://github.com/nodejs/node/pull/14580
Fixes: https://github.com/nodejs/node-v8/issues/5
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
v6
Anna Henningsen 7 years ago
committed by Michaël Zasso
parent
commit
fb3d0e25cb
  1. 4
      lib/console.js
  2. 15
      test/message/console_low_stack_space.js

4
lib/console.js

@ -94,6 +94,10 @@ function write(ignoreErrors, stream, string, errorhandler) {
stream.write(string, errorhandler);
} catch (e) {
// console is a debugging utility, so it swallowing errors is not desirable
// even in edge cases such as low stack space.
if (e.message === 'Maximum call stack size exceeded')
throw e;
// Sorry, there’s no proper way to pass along the error here.
} finally {
stream.removeListener('error', noop);

15
test/message/console_low_stack_space.js

@ -6,13 +6,20 @@ global.console = {};
require('../common');
// This test checks that, if Node cannot put together the `console` object
// because it is low on stack space while doing so, it can succeed later
// once the stack has unwound a little, and `console` is in a usable state then.
let compiledConsole;
function a() {
try {
return a();
} catch (e) {
const console = consoleDescriptor.get();
if (console.log) {
console.log('Hello, World!');
compiledConsole = consoleDescriptor.get();
if (compiledConsole.log) {
// Using `console.log` itself might not succeed yet, but the code for it
// has been compiled.
} else {
throw e;
}
@ -20,3 +27,5 @@ function a() {
}
a();
compiledConsole.log('Hello, World!');

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