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54 lines
1.8 KiB
54 lines
1.8 KiB
11 years ago
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// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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// Flags: --expose_gc
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var common = require('../common');
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var assert = require('assert');
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var v8 = require('tracing').v8;
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assert(typeof gc === 'function', 'Run this test with --expose_gc.');
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var ncalls = 0;
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var before;
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var after;
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function ongc(before_, after_) {
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// Try very hard to not create garbage because that could kick off another
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// garbage collection cycle.
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before = before_;
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after = after_;
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ncalls += 1;
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}
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gc();
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v8.on('gc', ongc);
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gc();
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v8.removeListener('gc', ongc);
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gc();
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assert.equal(ncalls, 1);
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assert.equal(typeof before, 'object');
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assert.equal(typeof after, 'object');
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assert.equal(typeof before.timestamp, 'number');
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assert.equal(typeof after.timestamp, 'number');
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assert.equal(before.timestamp <= after.timestamp, true);
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