Index: test/cctest/test-dictionary.cc |
diff --git a/test/cctest/test-dictionary.cc b/test/cctest/test-dictionary.cc |
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+// Copyright 2011 the V8 project authors. All rights reserved. |
+// Redistribution and use in source and binary forms, with or without |
+// modification, are permitted provided that the following conditions are |
+// met: |
+// |
+// * Redistributions of source code must retain the above copyright |
+// notice, this list of conditions and the following disclaimer. |
+// * Redistributions in binary form must reproduce the above |
+// copyright notice, this list of conditions and the following |
+// disclaimer in the documentation and/or other materials provided |
+// with the distribution. |
+// * Neither the name of Google Inc. nor the names of its |
+// contributors may be used to endorse or promote products derived |
+// from this software without specific prior written permission. |
+// |
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
+ |
+#include "v8.h" |
+ |
+#include "api.h" |
+#include "debug.h" |
+#include "execution.h" |
+#include "factory.h" |
+#include "macro-assembler.h" |
+#include "objects.h" |
+#include "global-handles.h" |
+#include "cctest.h" |
+ |
+using namespace v8::internal; |
+ |
+TEST(ObjectHashTable) { |
+ v8::HandleScope scope; |
+ LocalContext context; |
+ Handle<ObjectHashTable> table = FACTORY->NewObjectHashTable(23); |
+ Handle<JSObject> a = FACTORY->NewJSArray(7); |
+ Handle<JSObject> b = FACTORY->NewJSArray(11); |
+ table = PutIntoObjectHashTable(table, a, b); |
+ CHECK_EQ(table->NumberOfElements(), 1); |
+ CHECK_EQ(table->Lookup(*a), *b); |
+ CHECK_EQ(table->Lookup(*b), HEAP->undefined_value()); |
+ |
+ // Keys still have to be valid after objects were moved. |
+ HEAP->CollectGarbage(NEW_SPACE); |
+ CHECK_EQ(table->NumberOfElements(), 1); |
+ CHECK_EQ(table->Lookup(*a), *b); |
+ CHECK_EQ(table->Lookup(*b), HEAP->undefined_value()); |
+ |
+ // Keys that are overwritten should not change number of elements. |
+ table = PutIntoObjectHashTable(table, a, FACTORY->NewJSArray(13)); |
+ CHECK_EQ(table->NumberOfElements(), 1); |
+ CHECK_NE(table->Lookup(*a), *b); |
+ |
+ // Keys mapped to undefined should be removed permanently. |
+ table = PutIntoObjectHashTable(table, a, FACTORY->undefined_value()); |
+ CHECK_EQ(table->NumberOfElements(), 0); |
+ CHECK_EQ(table->NumberOfDeletedElements(), 1); |
+ CHECK_EQ(table->Lookup(*a), HEAP->undefined_value()); |
+ |
+ // Keys should map back to their respective values. |
+ for (int i = 0; i < 100; i++) { |
+ Handle<JSObject> key = FACTORY->NewJSArray(7); |
+ Handle<JSObject> value = FACTORY->NewJSArray(11); |
+ table = PutIntoObjectHashTable(table, key, value); |
+ CHECK_EQ(table->NumberOfElements(), i + 1); |
+ CHECK_NE(table->FindEntry(*key), ObjectHashTable::kNotFound); |
+ CHECK_EQ(table->Lookup(*key), *value); |
+ } |
+ |
+ // Keys never added to the map should not be found. |
+ for (int i = 0; i < 1000; i++) { |
+ Handle<JSObject> o = FACTORY->NewJSArray(100); |
+ CHECK_EQ(table->FindEntry(*o), ObjectHashTable::kNotFound); |
+ CHECK_EQ(table->Lookup(*o), HEAP->undefined_value()); |
+ } |
+} |