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92 lines
3 KiB
JavaScript
92 lines
3 KiB
JavaScript
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// deno-fmt-ignore-file
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// deno-lint-ignore-file
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// Copyright Joyent and Node contributors. All rights reserved. MIT license.
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// Taken from Node 20.11.1
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// This file is automatically generated by `tests/node_compat/runner/setup.ts`. Do not modify this file manually.
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'use strict';
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if (!process.features.inspector) return;
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require('../common');
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const fixtures = require('../common/fixtures');
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const tmpdir = require('../common/tmpdir');
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const assert = require('assert');
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const fs = require('fs');
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const { spawnSync } = require('child_process');
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tmpdir.refresh();
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const intervals = 40;
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// Outputs coverage when v8.takeCoverage() is invoked.
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{
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const output = spawnSync(process.execPath, [
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'-r',
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fixtures.path('v8-coverage', 'take-coverage'),
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fixtures.path('v8-coverage', 'interval'),
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], {
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env: {
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...process.env,
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NODE_V8_COVERAGE: tmpdir.path,
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NODE_DEBUG_NATIVE: 'INSPECTOR_PROFILER',
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TEST_INTERVALS: intervals
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},
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});
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console.log(output.stderr.toString());
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assert.strictEqual(output.status, 0);
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const coverageFiles = fs.readdirSync(tmpdir.path);
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let coverages = [];
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for (const coverageFile of coverageFiles) {
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const coverage = require(tmpdir.resolve(coverageFile));
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for (const result of coverage.result) {
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if (result.url.includes('/interval')) {
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coverages.push({
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file: coverageFile,
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func: result.functions.find((f) => f.functionName === 'interval'),
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timestamp: coverage.timestamp
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});
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}
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}
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}
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coverages = coverages.sort((a, b) => { return a.timestamp - b.timestamp; });
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// There should be two coverages taken, one triggered by v8.takeCoverage(),
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// the other by process exit.
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console.log('Coverages:', coverages);
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assert.strictEqual(coverages.length, 3);
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let blockHitsTotal = 0;
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for (let i = 0; i < coverages.length; ++i) {
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const { ranges } = coverages[i].func;
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console.log('coverage', i, ranges);
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if (i !== coverages.length - 1) {
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// When the first two coverages are taken:
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assert.strictEqual(ranges.length, 2);
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const blockHits = ranges[0].count;
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// The block inside interval() should be hit at least once.
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assert.notStrictEqual(blockHits, 0);
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blockHitsTotal += blockHits;
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// The else branch should not be hit.
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const elseBranchHits = ranges[1].count;
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assert.strictEqual(elseBranchHits, 0);
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} else {
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// At process exit:
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assert.strictEqual(ranges.length, 3);
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const blockHits = ranges[0].count;
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// The block inside interval() should be hit at least once more.
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assert.notStrictEqual(blockHits, 0);
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blockHitsTotal += blockHits;
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// The else branch should be hit exactly once.
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const elseBranchHits = ranges[2].count;
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assert.strictEqual(elseBranchHits, 1);
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const ifBranchHits = ranges[1].count;
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assert.strictEqual(ifBranchHits, blockHits - elseBranchHits);
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}
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}
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// The block should be hit `intervals` times in total.
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assert.strictEqual(blockHitsTotal, intervals);
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}
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