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authorRyan Dahl <ry@tinyclouds.org>2011-08-04 12:18:09 -0700
committerRyan Dahl <ry@tinyclouds.org>2011-08-04 12:18:09 -0700
commiteeece4f5eab2d192635e19c64ae2d429f96c2284 (patch)
tree8ee91025e2e43769f1bfc01a101f95ba372830dd /deps/v8/test/cctest/test-dictionary.cc
parentb8c8e9c113e4611560948420e1ad67f1ee13d975 (diff)
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Upgrade V8 to 3.5.3
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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());
+ }
+}