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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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1654 if (obj->IsGlobalObject()) count++; | 1654 if (obj->IsGlobalObject()) count++; |
1655 } | 1655 } |
1656 return count; | 1656 return count; |
1657 } | 1657 } |
1658 | 1658 |
1659 | 1659 |
1660 // Test that we don't embed maps from foreign contexts into | 1660 // Test that we don't embed maps from foreign contexts into |
1661 // optimized code. | 1661 // optimized code. |
1662 TEST(LeakNativeContextViaMap) { | 1662 TEST(LeakNativeContextViaMap) { |
1663 i::FLAG_allow_natives_syntax = true; | 1663 i::FLAG_allow_natives_syntax = true; |
1664 v8::HandleScope outer_scope(v8::Isolate::GetCurrent()); | 1664 v8::Isolate* isolate = v8::Isolate::GetCurrent(); |
1665 v8::Persistent<v8::Context> ctx1 = v8::Context::New(); | 1665 v8::HandleScope outer_scope(isolate); |
1666 v8::Persistent<v8::Context> ctx2 = v8::Context::New(); | 1666 v8::Persistent<v8::Context> ctx1; |
| 1667 v8::Persistent<v8::Context> ctx2; |
| 1668 { |
| 1669 v8::HandleScope scope(isolate); |
| 1670 ctx1.Reset(isolate, v8::Context::New(isolate)); |
| 1671 ctx2.Reset(isolate, v8::Context::New(isolate)); |
| 1672 } |
1667 ctx1->Enter(); | 1673 ctx1->Enter(); |
1668 | 1674 |
1669 HEAP->CollectAllAvailableGarbage(); | 1675 HEAP->CollectAllAvailableGarbage(); |
1670 CHECK_EQ(4, NumberOfGlobalObjects()); | 1676 CHECK_EQ(4, NumberOfGlobalObjects()); |
1671 | 1677 |
1672 { | 1678 { |
1673 v8::HandleScope inner_scope(v8::Isolate::GetCurrent()); | 1679 v8::HandleScope inner_scope(v8::Isolate::GetCurrent()); |
1674 CompileRun("var v = {x: 42}"); | 1680 CompileRun("var v = {x: 42}"); |
1675 v8::Local<v8::Value> v = ctx1->Global()->Get(v8_str("v")); | 1681 v8::Local<v8::Value> v = ctx1->Global()->Get(v8_str("v")); |
1676 ctx2->Enter(); | 1682 ctx2->Enter(); |
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1692 ctx2.Dispose(ctx2->GetIsolate()); | 1698 ctx2.Dispose(ctx2->GetIsolate()); |
1693 HEAP->CollectAllAvailableGarbage(); | 1699 HEAP->CollectAllAvailableGarbage(); |
1694 CHECK_EQ(0, NumberOfGlobalObjects()); | 1700 CHECK_EQ(0, NumberOfGlobalObjects()); |
1695 } | 1701 } |
1696 | 1702 |
1697 | 1703 |
1698 // Test that we don't embed functions from foreign contexts into | 1704 // Test that we don't embed functions from foreign contexts into |
1699 // optimized code. | 1705 // optimized code. |
1700 TEST(LeakNativeContextViaFunction) { | 1706 TEST(LeakNativeContextViaFunction) { |
1701 i::FLAG_allow_natives_syntax = true; | 1707 i::FLAG_allow_natives_syntax = true; |
1702 v8::HandleScope outer_scope(v8::Isolate::GetCurrent()); | 1708 v8::Isolate* isolate = v8::Isolate::GetCurrent(); |
1703 v8::Persistent<v8::Context> ctx1 = v8::Context::New(); | 1709 v8::HandleScope outer_scope(isolate); |
1704 v8::Persistent<v8::Context> ctx2 = v8::Context::New(); | 1710 v8::Persistent<v8::Context> ctx1; |
| 1711 v8::Persistent<v8::Context> ctx2; |
| 1712 { |
| 1713 v8::HandleScope scope(isolate); |
| 1714 ctx1.Reset(isolate, v8::Context::New(isolate)); |
| 1715 ctx2.Reset(isolate, v8::Context::New(isolate)); |
| 1716 } |
1705 ctx1->Enter(); | 1717 ctx1->Enter(); |
1706 | 1718 |
1707 HEAP->CollectAllAvailableGarbage(); | 1719 HEAP->CollectAllAvailableGarbage(); |
1708 CHECK_EQ(4, NumberOfGlobalObjects()); | 1720 CHECK_EQ(4, NumberOfGlobalObjects()); |
1709 | 1721 |
1710 { | 1722 { |
1711 v8::HandleScope inner_scope(v8::Isolate::GetCurrent()); | 1723 v8::HandleScope inner_scope(v8::Isolate::GetCurrent()); |
1712 CompileRun("var v = function() { return 42; }"); | 1724 CompileRun("var v = function() { return 42; }"); |
1713 v8::Local<v8::Value> v = ctx1->Global()->Get(v8_str("v")); | 1725 v8::Local<v8::Value> v = ctx1->Global()->Get(v8_str("v")); |
1714 ctx2->Enter(); | 1726 ctx2->Enter(); |
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1728 HEAP->CollectAllAvailableGarbage(); | 1740 HEAP->CollectAllAvailableGarbage(); |
1729 CHECK_EQ(2, NumberOfGlobalObjects()); | 1741 CHECK_EQ(2, NumberOfGlobalObjects()); |
1730 ctx2.Dispose(ctx2->GetIsolate()); | 1742 ctx2.Dispose(ctx2->GetIsolate()); |
1731 HEAP->CollectAllAvailableGarbage(); | 1743 HEAP->CollectAllAvailableGarbage(); |
1732 CHECK_EQ(0, NumberOfGlobalObjects()); | 1744 CHECK_EQ(0, NumberOfGlobalObjects()); |
1733 } | 1745 } |
1734 | 1746 |
1735 | 1747 |
1736 TEST(LeakNativeContextViaMapKeyed) { | 1748 TEST(LeakNativeContextViaMapKeyed) { |
1737 i::FLAG_allow_natives_syntax = true; | 1749 i::FLAG_allow_natives_syntax = true; |
1738 v8::HandleScope outer_scope(v8::Isolate::GetCurrent()); | 1750 v8::Isolate* isolate = v8::Isolate::GetCurrent(); |
1739 v8::Persistent<v8::Context> ctx1 = v8::Context::New(); | 1751 v8::HandleScope outer_scope(isolate); |
1740 v8::Persistent<v8::Context> ctx2 = v8::Context::New(); | 1752 v8::Persistent<v8::Context> ctx1; |
| 1753 v8::Persistent<v8::Context> ctx2; |
| 1754 { |
| 1755 v8::HandleScope scope(isolate); |
| 1756 ctx1.Reset(isolate, v8::Context::New(isolate)); |
| 1757 ctx2.Reset(isolate, v8::Context::New(isolate)); |
| 1758 } |
1741 ctx1->Enter(); | 1759 ctx1->Enter(); |
1742 | 1760 |
1743 HEAP->CollectAllAvailableGarbage(); | 1761 HEAP->CollectAllAvailableGarbage(); |
1744 CHECK_EQ(4, NumberOfGlobalObjects()); | 1762 CHECK_EQ(4, NumberOfGlobalObjects()); |
1745 | 1763 |
1746 { | 1764 { |
1747 v8::HandleScope inner_scope(v8::Isolate::GetCurrent()); | 1765 v8::HandleScope inner_scope(v8::Isolate::GetCurrent()); |
1748 CompileRun("var v = [42, 43]"); | 1766 CompileRun("var v = [42, 43]"); |
1749 v8::Local<v8::Value> v = ctx1->Global()->Get(v8_str("v")); | 1767 v8::Local<v8::Value> v = ctx1->Global()->Get(v8_str("v")); |
1750 ctx2->Enter(); | 1768 ctx2->Enter(); |
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1764 HEAP->CollectAllAvailableGarbage(); | 1782 HEAP->CollectAllAvailableGarbage(); |
1765 CHECK_EQ(2, NumberOfGlobalObjects()); | 1783 CHECK_EQ(2, NumberOfGlobalObjects()); |
1766 ctx2.Dispose(ctx2->GetIsolate()); | 1784 ctx2.Dispose(ctx2->GetIsolate()); |
1767 HEAP->CollectAllAvailableGarbage(); | 1785 HEAP->CollectAllAvailableGarbage(); |
1768 CHECK_EQ(0, NumberOfGlobalObjects()); | 1786 CHECK_EQ(0, NumberOfGlobalObjects()); |
1769 } | 1787 } |
1770 | 1788 |
1771 | 1789 |
1772 TEST(LeakNativeContextViaMapProto) { | 1790 TEST(LeakNativeContextViaMapProto) { |
1773 i::FLAG_allow_natives_syntax = true; | 1791 i::FLAG_allow_natives_syntax = true; |
1774 v8::HandleScope outer_scope(v8::Isolate::GetCurrent()); | 1792 v8::Isolate* isolate = v8::Isolate::GetCurrent(); |
1775 v8::Persistent<v8::Context> ctx1 = v8::Context::New(); | 1793 v8::HandleScope outer_scope(isolate); |
1776 v8::Persistent<v8::Context> ctx2 = v8::Context::New(); | 1794 v8::Persistent<v8::Context> ctx1; |
| 1795 v8::Persistent<v8::Context> ctx2; |
| 1796 { |
| 1797 v8::HandleScope scope(isolate); |
| 1798 ctx1.Reset(isolate, v8::Context::New(isolate)); |
| 1799 ctx2.Reset(isolate, v8::Context::New(isolate)); |
| 1800 } |
1777 ctx1->Enter(); | 1801 ctx1->Enter(); |
1778 | 1802 |
1779 HEAP->CollectAllAvailableGarbage(); | 1803 HEAP->CollectAllAvailableGarbage(); |
1780 CHECK_EQ(4, NumberOfGlobalObjects()); | 1804 CHECK_EQ(4, NumberOfGlobalObjects()); |
1781 | 1805 |
1782 { | 1806 { |
1783 v8::HandleScope inner_scope(v8::Isolate::GetCurrent()); | 1807 v8::HandleScope inner_scope(v8::Isolate::GetCurrent()); |
1784 CompileRun("var v = { y: 42}"); | 1808 CompileRun("var v = { y: 42}"); |
1785 v8::Local<v8::Value> v = ctx1->Global()->Get(v8_str("v")); | 1809 v8::Local<v8::Value> v = ctx1->Global()->Get(v8_str("v")); |
1786 ctx2->Enter(); | 1810 ctx2->Enter(); |
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3065 } | 3089 } |
3066 // An entire block of handles has been filled. | 3090 // An entire block of handles has been filled. |
3067 // Next handle would require a new block. | 3091 // Next handle would require a new block. |
3068 ASSERT(data->next == data->limit); | 3092 ASSERT(data->next == data->limit); |
3069 | 3093 |
3070 DeferredHandleScope deferred(isolate); | 3094 DeferredHandleScope deferred(isolate); |
3071 DummyVisitor visitor; | 3095 DummyVisitor visitor; |
3072 isolate->handle_scope_implementer()->Iterate(&visitor); | 3096 isolate->handle_scope_implementer()->Iterate(&visitor); |
3073 deferred.Detach(); | 3097 deferred.Detach(); |
3074 } | 3098 } |
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