[Typed-OM] Add compound type of CSSVariableReferenceValue and String with some tests

third_party/WebKit/Source/core/css/cssom/CSSTokenStreamValueTest.cpp

+// Copyright 2016 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 "core/css/cssom/CSSTokenStreamValue.h"
+
+#include "core/css/cssom/CSSStyleVariableReferenceValue.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace blink {
+
+namespace {
+
+TEST(CSSTokenStreamValueTest, EmptyList)
+{
+    HeapVector<StringOrCSSVariableReferenceValue> listOfReferences;
+
+    CSSTokenStreamValue* tokenStreamValue = CSSTokenStreamValue::create(listOfReferences);
+
+    EXPECT_EQ(tokenStreamValue->size(), 0UL);
+}
+
+TEST(CSSTokenStreamValueTest, ListOfString)
+{
+    HeapVector<StringOrCSSVariableReferenceValue> listOfReferences;
+
+    StringOrCSSVariableReferenceValue temp;
+    temp.setString("str");
+    listOfReferences.append(temp);
+
+    CSSTokenStreamValue* tokenStreamValue = CSSTokenStreamValue::create(listOfReferences);
+
+    EXPECT_EQ(tokenStreamValue->size(), 1UL);
+
+    EXPECT_TRUE(tokenStreamValue->referenceAtIndex(0).isString());
+    EXPECT_FALSE(tokenStreamValue->referenceAtIndex(0).isNull());
+    EXPECT_FALSE(tokenStreamValue->referenceAtIndex(0).isCSSVariableReferenceValue());
+
+    EXPECT_EQ(tokenStreamValue->referenceAtIndex(0).getAsString(), "str");
+}
+
+TEST(CSSTokenStreamValueTest, ListOfCSSVariableReferenceValue)
+{
+    HeapVector<StringOrCSSVariableReferenceValue> listOfReferences;
+
+    StringOrCSSVariableReferenceValue temp;
+    CSSStyleVariableReferenceValue* ref = CSSStyleVariableReferenceValue::create("Ref");
+    temp.setCSSVariableReferenceValue(ref);
+    listOfReferences.append(temp);
+
+    CSSTokenStreamValue* tokenStreamValue = CSSTokenStreamValue::create(listOfReferences);
+
+    EXPECT_EQ(tokenStreamValue->size(), 1UL);
+
+    EXPECT_FALSE(tokenStreamValue->referenceAtIndex(0).isString());
+    EXPECT_FALSE(tokenStreamValue->referenceAtIndex(0).isNull());
+    EXPECT_TRUE(tokenStreamValue->referenceAtIndex(0).isCSSVariableReferenceValue());
+
+    EXPECT_EQ(tokenStreamValue->referenceAtIndex(0).getAsCSSVariableReferenceValue(), ref);
+}
+
+TEST(CSSTokenStreamValueTest, MixedContents)
+{
+    HeapVector<StringOrCSSVariableReferenceValue> listOfReferences;
+
+    StringOrCSSVariableReferenceValue x;
+    x.setString("1234");
+    listOfReferences.append(x);
+
+    StringOrCSSVariableReferenceValue y;
+    CSSStyleVariableReferenceValue* ref = CSSStyleVariableReferenceValue::create("Ref");
+    y.setCSSVariableReferenceValue(ref);
+    listOfReferences.append(y);
+
+    StringOrCSSVariableReferenceValue z;
+    listOfReferences.append(z);
+
+    CSSTokenStreamValue* tokenStreamValue = CSSTokenStreamValue::create(listOfReferences);
+
+    EXPECT_EQ(tokenStreamValue->size(), listOfReferences.size());
+
+    EXPECT_TRUE(tokenStreamValue->referenceAtIndex(0).isString());
+    EXPECT_FALSE(tokenStreamValue->referenceAtIndex(0).isCSSVariableReferenceValue());
+    EXPECT_EQ(tokenStreamValue->referenceAtIndex(0).getAsString(), "1234");
+
+    EXPECT_TRUE(tokenStreamValue->referenceAtIndex(1).isCSSVariableReferenceValue());
+    EXPECT_FALSE(tokenStreamValue->referenceAtIndex(1).isString());
+    EXPECT_EQ(tokenStreamValue->referenceAtIndex(1).getAsCSSVariableReferenceValue(), ref);
+
+    EXPECT_TRUE(tokenStreamValue->referenceAtIndex(2).isNull());
+}
+
+} // namespace
+
+} // namespace blink