CSSValue Immediates: Change CSSValue to an object instead of a pointer

Source/core/css/CSSValueTest.cpp

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "config.h"
+#include "core/css/CSSValue.h"
+
+#include "core/css/CSSPrimitiveValue.h"
+#include "core/css/CSSValueTestHelper.h"
+#include <gtest/gtest.h>
+
+using namespace blink;
+
+namespace {
+
+// Helper functions since PassRefPtrWillBeRawPtr cannot be a member variable.
+CSSValue makeCSSValueWithPassRefPtr(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> primitiveValue)
+{
+    return CSSValue(primitiveValue);
+}
+CSSValue* makeCSSValuePtrWithPassRefPtr(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> primitiveValue)
+{
+    return new CSSValue(primitiveValue);
+}
+NullableCSSValue makeNullableCSSValueWithPassRefPtr(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> primitiveValue)
+{
+    return NullableCSSValue(primitiveValue);
+}
+NullableCSSValue* makeNullableCSSValuePtrWithPassRefPtr(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> primitiveValue)
+{
+    return new NullableCSSValue(primitiveValue);
+}
+
+TEST(CSSValueTest, CSSValueStackTest)
+{
+    CSSPrimitiveValue* primitiveValuePtr = CSSPrimitiveValue::createIdentifier(CSSValueBold).leakRef();
+    RefPtrWillBeRawPtr<CSSPrimitiveValue> primitiveValueRef = CSSPrimitiveValue::createIdentifier(CSSValueBold);
+
+    CSSValue rawPtrConstructor(primitiveValuePtr);
+    EXPECT_STREQ("bold", rawPtrConstructor.cssText().utf8().data());
+
+    CSSValue passRefPtrConstructor = makeCSSValueWithPassRefPtr(CSSPrimitiveValue::createIdentifier(CSSValueBold));
+    EXPECT_STREQ("bold", passRefPtrConstructor.cssText().utf8().data());
+
+    CSSValue refPtrConstructor(primitiveValueRef);
+    EXPECT_STREQ("bold", refPtrConstructor.cssText().utf8().data());
+
+    CSSValue copyConstructor(rawPtrConstructor);
+    EXPECT_STREQ("bold", copyConstructor.cssText().utf8().data());
+
+    CSSValue constCopyConstructor(*const_cast<const CSSValue*>(&rawPtrConstructor));
+    EXPECT_STREQ("bold", constCopyConstructor.cssText().utf8().data());
+
+    CSSValue newAssignmentOperator = rawPtrConstructor;
+    EXPECT_STREQ("bold", newAssignmentOperator.cssText().utf8().data());
+    EXPECT_STREQ("bold", rawPtrConstructor.cssText().utf8().data());
+
+    CSSValue existingAssignmentOperator(primitiveValuePtr);
+    existingAssignmentOperator = passRefPtrConstructor;
+    EXPECT_STREQ("bold", existingAssignmentOperator.cssText().utf8().data());
+    EXPECT_STREQ("bold", rawPtrConstructor.cssText().utf8().data());
+
+    CSSValue selfAssignmentOperator(primitiveValuePtr);
+    selfAssignmentOperator = rawPtrConstructor;
+    EXPECT_STREQ("bold", selfAssignmentOperator.cssText().utf8().data());
+    EXPECT_STREQ("bold", rawPtrConstructor.cssText().utf8().data());
+}
+
+TEST(CSSValueTest, CSSValueHeapTest)
+{
+    CSSPrimitiveValue* primitiveValuePtr = CSSPrimitiveValue::createIdentifier(CSSValueBold).leakRef();
+    RefPtrWillBeRawPtr<CSSPrimitiveValue> primitiveValueRef = CSSPrimitiveValue::createIdentifier(CSSValueBold);
+
+    CSSValue* rawPtrConstructor = new CSSValue(primitiveValuePtr);
+    EXPECT_STREQ("bold", rawPtrConstructor->cssText().utf8().data());
+
+    CSSValue* passRefPtrConstructor = makeCSSValuePtrWithPassRefPtr(CSSPrimitiveValue::createIdentifier(CSSValueBold));
+    EXPECT_STREQ("bold", passRefPtrConstructor->cssText().utf8().data());
+
+    CSSValue* refPtrConstructor = new CSSValue(primitiveValueRef);
+    EXPECT_STREQ("bold", refPtrConstructor->cssText().utf8().data());
+
+    CSSValue* copyConstructor = new CSSValue(*rawPtrConstructor);
+    EXPECT_STREQ("bold", copyConstructor->cssText().utf8().data());
+
+    CSSValue* constCopyConstructor = new CSSValue(*const_cast<const CSSValue*>(rawPtrConstructor));
+    EXPECT_STREQ("bold", constCopyConstructor->cssText().utf8().data());
+
+    CSSValue* existingAssignmentOperator = new CSSValue(primitiveValuePtr);
+    *existingAssignmentOperator = *rawPtrConstructor;
+    EXPECT_STREQ("bold", existingAssignmentOperator->cssText().utf8().data());
+    EXPECT_STREQ("bold", rawPtrConstructor->cssText().utf8().data());
+
+    CSSValue* selfAssignmentOperator = new CSSValue(primitiveValuePtr);
+    *selfAssignmentOperator = *rawPtrConstructor;
+    EXPECT_STREQ("bold", selfAssignmentOperator->cssText().utf8().data());
+    EXPECT_STREQ("bold", rawPtrConstructor->cssText().utf8().data());
+
+    delete rawPtrConstructor;
+    delete passRefPtrConstructor;
+    delete refPtrConstructor;
+    delete copyConstructor;
+    delete constCopyConstructor;
+    delete existingAssignmentOperator;
+    delete selfAssignmentOperator;
+}
+
+TEST(CSSValueTest, NullableCSSValueStackTest)
+{
+    CSSPrimitiveValue* primitiveValuePtr = CSSPrimitiveValue::createIdentifier(CSSValueBold).leakRef();
+    RefPtrWillBeRawPtr<CSSPrimitiveValue> primitiveValueRef = CSSPrimitiveValue::createIdentifier(CSSValueBold);
+
+    NullableCSSValue defaultConstructor;
+    EXPECT_EQ(false, defaultConstructor);
+
+    NullableCSSValue nullPtrConstructor(nullptr);
+    EXPECT_EQ(false, nullPtrConstructor);
+
+    NullableCSSValue rawPtrConstructor(primitiveValuePtr);
+    EXPECT_STREQ("bold", rawPtrConstructor->cssText().utf8().data());
+
+    NullableCSSValue passRefPtrConstructor = makeNullableCSSValueWithPassRefPtr(CSSPrimitiveValue::createIdentifier(CSSValueBold));
+    EXPECT_STREQ("bold", passRefPtrConstructor->cssText().utf8().data());
+
+    NullableCSSValue refPtrConstructor(primitiveValueRef);
+    EXPECT_STREQ("bold", refPtrConstructor->cssText().utf8().data());
+
+    NullableCSSValue copyConstructor(rawPtrConstructor);
+    EXPECT_STREQ("bold", copyConstructor->cssText().utf8().data());
+
+    NullableCSSValue constCopyConstructor(*const_cast<const NullableCSSValue*>(&rawPtrConstructor));
+    EXPECT_STREQ("bold", constCopyConstructor->cssText().utf8().data());
+
+    NullableCSSValue nullCopyConstructor(nullPtrConstructor);
+    EXPECT_EQ(false, nullCopyConstructor);
+
+    NullableCSSValue nullConstCopyConstructor(*const_cast<const NullableCSSValue*>(&nullPtrConstructor));
+    EXPECT_EQ(false, nullConstCopyConstructor);
+
+    CSSValue cssValue(primitiveValuePtr);
+    NullableCSSValue cssValueCopyConstructor(cssValue);
+    EXPECT_STREQ("bold", cssValueCopyConstructor->cssText().utf8().data());
+
+    const CSSValue constCssValue(primitiveValuePtr);
+    NullableCSSValue constCssValueCopyConstructor(constCssValue);
+    EXPECT_STREQ("bold", constCssValueCopyConstructor->cssText().utf8().data());
+}
+
+TEST(CSSValueTest, NullableCSSValueHeapTest)
+{
+    CSSPrimitiveValue* primitiveValuePtr = CSSPrimitiveValue::createIdentifier(CSSValueBold).leakRef();
+    RefPtrWillBeRawPtr<CSSPrimitiveValue> primitiveValueRef = CSSPrimitiveValue::createIdentifier(CSSValueBold);
+
+    NullableCSSValue* defaultConstructor = new NullableCSSValue();
+    EXPECT_EQ(false, *defaultConstructor);
+
+    NullableCSSValue* nullPtrConstructor = new NullableCSSValue(nullptr);
+    EXPECT_EQ(false, *nullPtrConstructor);
+
+    NullableCSSValue* rawPtrConstructor = new NullableCSSValue(primitiveValuePtr);
+    EXPECT_STREQ("bold", (*rawPtrConstructor)->cssText().utf8().data());
+
+    NullableCSSValue* passRefPtrConstructor = makeNullableCSSValuePtrWithPassRefPtr(CSSPrimitiveValue::createIdentifier(CSSValueBold));
+    EXPECT_STREQ("bold", (*passRefPtrConstructor)->cssText().utf8().data());
+
+    NullableCSSValue* refPtrConstructor = new NullableCSSValue(primitiveValueRef);
+    EXPECT_STREQ("bold", (*refPtrConstructor)->cssText().utf8().data());
+
+    NullableCSSValue* copyConstructor = new NullableCSSValue(*rawPtrConstructor);
+    EXPECT_STREQ("bold", (*copyConstructor)->cssText().utf8().data());
+
+    NullableCSSValue* constCopyConstructor = new NullableCSSValue(*const_cast<const NullableCSSValue*>(rawPtrConstructor));
+    EXPECT_STREQ("bold", (*constCopyConstructor)->cssText().utf8().data());
+
+    NullableCSSValue* nullCopyConstructor = new NullableCSSValue(*nullPtrConstructor);
+    EXPECT_EQ(false, *nullCopyConstructor);
+
+    NullableCSSValue* nullConstCopyConstructor = new NullableCSSValue(*const_cast<const NullableCSSValue*>(nullPtrConstructor));
+    EXPECT_EQ(false, *nullConstCopyConstructor);
+
+    CSSValue* cssValue = new CSSValue(primitiveValuePtr);
+    NullableCSSValue* cssValueCopyConstructor = new NullableCSSValue(*cssValue);
+    EXPECT_STREQ("bold", (*cssValueCopyConstructor)->cssText().utf8().data());
+
+    const CSSValue* constCssValue = new CSSValue(primitiveValuePtr);
+    NullableCSSValue* constCssValueCopyConstructor = new NullableCSSValue(*constCssValue);
+    EXPECT_STREQ("bold", (*constCssValueCopyConstructor)->cssText().utf8().data());
+
+    delete defaultConstructor;
+    delete nullPtrConstructor;
+    delete rawPtrConstructor;
+    delete passRefPtrConstructor;
+    delete refPtrConstructor;
+    delete copyConstructor;
+    delete constCopyConstructor;
+    delete nullCopyConstructor;
+    delete nullConstCopyConstructor;
+    delete cssValueCopyConstructor;
+    delete constCssValueCopyConstructor;
+}
+
+} // namespace