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test: test cover cases when trace is empty
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cover prepare_stack_trace in case when trace is empty
PR-URL: #30311
Reviewed-By: Gireesh Punathil <[email protected]>
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telenord authored and targos committed Dec 1, 2019
1 parent 78b2d86 commit 99770a0
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6 changes: 6 additions & 0 deletions test/fixtures/source-map/emptyStackError.js
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@@ -0,0 +1,6 @@
"use strict";

Error.stackTraceLimit = 0;
throw new RangeError('emptyStackError');


12 changes: 12 additions & 0 deletions test/parallel/test-source-map.js
Original file line number Diff line number Diff line change
Expand Up @@ -255,6 +255,18 @@ function nextdir() {
}
}

// trace.length === 0 .
{
const output = spawnSync(process.execPath, [
'--enable-source-maps',
require.resolve('../fixtures/source-map/emptyStackError.js')
]);

assert.ok(
output.stderr.toString().match('emptyStackError')
);
}

function getSourceMapFromCache(fixtureFile, coverageDirectory) {
const jsonFiles = fs.readdirSync(coverageDirectory);
for (const jsonFile of jsonFiles) {
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