57 lines
1.7 KiB
JavaScript
57 lines
1.7 KiB
JavaScript
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'use strict';
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require('../common');
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const assert = require('assert');
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const v8 = require('v8');
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const s = v8.getHeapStatistics();
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const keys = [
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'does_zap_garbage',
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'heap_size_limit',
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'malloced_memory',
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'number_of_detached_contexts',
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'number_of_native_contexts',
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'peak_malloced_memory',
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'total_available_size',
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'total_heap_size',
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'total_heap_size_executable',
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'total_physical_size',
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'used_heap_size'];
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assert.deepStrictEqual(Object.keys(s).sort(), keys);
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keys.forEach(function(key) {
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assert.strictEqual(typeof s[key], 'number');
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});
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const heapCodeStatistics = v8.getHeapCodeStatistics();
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const heapCodeStatisticsKeys = [
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'bytecode_and_metadata_size',
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'code_and_metadata_size',
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'external_script_source_size'];
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assert.deepStrictEqual(Object.keys(heapCodeStatistics).sort(),
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heapCodeStatisticsKeys);
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heapCodeStatisticsKeys.forEach(function(key) {
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assert.strictEqual(typeof heapCodeStatistics[key], 'number');
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});
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const expectedHeapSpaces = [
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'code_large_object_space',
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'code_space',
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'large_object_space',
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'map_space',
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'new_large_object_space',
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'new_space',
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'old_space',
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'read_only_space'
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];
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const heapSpaceStatistics = v8.getHeapSpaceStatistics();
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const actualHeapSpaceNames = heapSpaceStatistics.map((s) => s.space_name);
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assert.deepStrictEqual(actualHeapSpaceNames.sort(), expectedHeapSpaces.sort());
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heapSpaceStatistics.forEach((heapSpace) => {
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assert.strictEqual(typeof heapSpace.space_name, 'string');
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assert.strictEqual(typeof heapSpace.space_size, 'number');
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assert.strictEqual(typeof heapSpace.space_used_size, 'number');
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assert.strictEqual(typeof heapSpace.space_available_size, 'number');
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assert.strictEqual(typeof heapSpace.physical_space_size, 'number');
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});
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