| Chris Craik | 93216d0 | 2015-03-05 13:58:42 -0800 | [diff] [blame^] | 1 | <!DOCTYPE html> |
| 2 | <!-- |
| 3 | Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| 4 | Use of this source code is governed by a BSD-style license that can be |
| 5 | found in the LICENSE file. |
| 6 | --> |
| 7 | |
| 8 | <link rel="import" href="/extras/tcmalloc/heap.html"> |
| 9 | |
| 10 | <script> |
| 11 | 'use strict'; |
| 12 | |
| 13 | tv.b.unittest.testSuite(function() { |
| 14 | var HeapSnapshot = tv.e.tcmalloc.HeapSnapshot; |
| 15 | |
| 16 | // Tests total allocation count. |
| 17 | test('totals', function() { |
| 18 | var snapshot = new HeapSnapshot({}, 1, [ |
| 19 | { |
| 20 | 'current_allocs': 10, |
| 21 | 'total_allocs': 100, |
| 22 | 'current_bytes': 10000, |
| 23 | 'trace': '', |
| 24 | 'total_bytes': 100000 |
| 25 | }, |
| 26 | { |
| 27 | 'current_allocs': 2, |
| 28 | 'total_allocs': 22, |
| 29 | 'current_bytes': 200, |
| 30 | 'trace': 'TestObject::TestMethod ', |
| 31 | 'total_bytes': 2200 |
| 32 | } |
| 33 | ]); |
| 34 | snapshot.preInitialize(); |
| 35 | snapshot.initialize(); |
| 36 | |
| 37 | // Base class got the timestamp. |
| 38 | assertEquals(1, snapshot.ts); |
| 39 | |
| 40 | // The first entry in the list is for totals. |
| 41 | assertEquals(10, snapshot.total_.currentAllocs); |
| 42 | assertEquals(10000, snapshot.total_.currentBytes); |
| 43 | }); |
| 44 | |
| 45 | // Tests multi-level trace stacks. |
| 46 | test('multiLevel', function() { |
| 47 | var snapshot = new HeapSnapshot({}, 1, [ |
| 48 | { |
| 49 | 'current_allocs': 10, |
| 50 | 'total_allocs': 100, |
| 51 | 'current_bytes': 10000, |
| 52 | 'trace': '', |
| 53 | 'total_bytes': 100000 |
| 54 | }, |
| 55 | { |
| 56 | 'current_allocs': 2, |
| 57 | 'total_allocs': 22, |
| 58 | 'current_bytes': 200, |
| 59 | 'trace': 'TestObject::TestMethod ', |
| 60 | 'total_bytes': 2200 |
| 61 | }, |
| 62 | { |
| 63 | 'current_allocs': 3, |
| 64 | 'total_allocs': 33, |
| 65 | 'current_bytes': 300, |
| 66 | 'trace': 'TestObject2::TestMethod2 ', |
| 67 | 'total_bytes': 3300 |
| 68 | }, |
| 69 | { |
| 70 | 'current_allocs': 5, |
| 71 | 'total_allocs': 55, |
| 72 | 'current_bytes': 500, |
| 73 | 'trace': 'TestObject2::TestMethod2 TestObject3::TestMethod3 ', |
| 74 | 'total_bytes': 5500 |
| 75 | } |
| 76 | ]); |
| 77 | snapshot.preInitialize(); |
| 78 | snapshot.initialize(); |
| 79 | |
| 80 | // Our heap has two top-level stacks. |
| 81 | var heap = snapshot.heap_; |
| 82 | var childKeys = Object.keys(heap.children); |
| 83 | assertEquals(2, childKeys.length); |
| 84 | // Both methods exist as children. |
| 85 | assertNotEquals(-1, childKeys.indexOf('TestObject::TestMethod')); |
| 86 | assertNotEquals(-1, childKeys.indexOf('TestObject2::TestMethod2')); |
| 87 | |
| 88 | // Verify the first trace entry stack. |
| 89 | var trace = heap.children['TestObject::TestMethod']; |
| 90 | assertEquals(2, trace.currentAllocs); |
| 91 | assertEquals(200, trace.currentBytes); |
| 92 | // One child for "(here)". |
| 93 | assertEquals(1, Object.keys(trace.children).length); |
| 94 | assertNotNull(trace.children['(here)']); |
| 95 | |
| 96 | // Verify the second trace entry stack. |
| 97 | trace = heap.children['TestObject2::TestMethod2']; |
| 98 | // Memory should have summed up. |
| 99 | assertEquals(8, trace.currentAllocs); |
| 100 | assertEquals(800, trace.currentBytes); |
| 101 | // Two children, "(here)" and another stack. |
| 102 | assertEquals(2, Object.keys(trace.children).length); |
| 103 | assertNotNull(trace.children['TestObject3::TestMethod3']); |
| 104 | assertNotNull(trace.children['(here)']); |
| 105 | |
| 106 | trace = trace.children['TestObject3::TestMethod3']; |
| 107 | assertEquals(5, trace.currentAllocs); |
| 108 | assertEquals(500, trace.currentBytes); |
| 109 | assertEquals(1, Object.keys(trace.children).length); |
| 110 | }); |
| 111 | }); |
| 112 | </script> |