webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 283 insertions, 0 deletions

diff --git a/Tools/TestWebKitAPI/Tests/WebCore/CalculationValue.cpp b/Tools/TestWebKitAPI/Tests/WebCore/CalculationValue.cpp
new file mode 100644
index 000000000..07fbdce00
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+++ b/Tools/TestWebKitAPI/Tests/WebCore/CalculationValue.cpp
@@ -0,0 +1,283 @@
+/*
+ * Copyright (C) 2014 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 "config.h"
+
+#include <WebCore/CalculationValue.h>
+
+namespace TestWebKitAPI {
+
+static unsigned deletionCount;
+
+class CalculationDeletionTestNode : public WebCore::CalcExpressionNode {
+public:
+    virtual ~CalculationDeletionTestNode()
+    {
+        ++deletionCount;
+    }
+
+    float evaluate(float) const override { return 0; }
+    bool operator==(const CalcExpressionNode&) const override { ASSERT_NOT_REACHED(); return false; }
+};
+
+static Ref<WebCore::CalculationValue> createTestValue()
+{
+    auto node = std::make_unique<CalculationDeletionTestNode>();
+    return WebCore::CalculationValue::create(WTFMove(node), WebCore::ValueRangeAll);
+}
+
+TEST(CalculationValue, LengthConstruction)
+{
+    RefPtr<WebCore::CalculationValue> value = createTestValue();
+
+    EXPECT_EQ(1U, value->refCount());
+
+    {
+        WebCore::Length length(*value);
+        EXPECT_EQ(2U, value->refCount());
+    }
+
+    EXPECT_EQ(1U, value->refCount());
+
+    {
+        WebCore::Length lengthA(*value);
+        EXPECT_EQ(2U, value->refCount());
+        WebCore::Length lengthB(lengthA);
+        EXPECT_EQ(2U, value->refCount());
+    }
+
+    EXPECT_EQ(1U, value->refCount());
+
+    {
+        WebCore::Length lengthC(*value);
+        EXPECT_EQ(2U, value->refCount());
+        WebCore::Length lengthD(WTFMove(lengthC));
+        EXPECT_EQ(2U, value->refCount());
+    }
+
+    EXPECT_EQ(1U, value->refCount());
+
+    EXPECT_EQ(0U, deletionCount);
+    value = nullptr;
+    EXPECT_EQ(1U, deletionCount);
+    deletionCount = 0;
+}
+
+TEST(CalculationValue, LengthConstructionReleasedValue)
+{
+    RefPtr<WebCore::CalculationValue> value = createTestValue();
+
+    EXPECT_EQ(1U, value->refCount());
+
+    {
+        auto* rawValue = value.get();
+        WebCore::Length length(value.releaseNonNull());
+        EXPECT_EQ(1U, rawValue->refCount());
+
+        EXPECT_EQ(0U, deletionCount);
+    }
+
+    EXPECT_EQ(1U, deletionCount);
+    deletionCount = 0;
+
+    value = createTestValue();
+
+    {
+        auto* rawValue = value.get();
+        WebCore::Length lengthA(value.releaseNonNull());
+        EXPECT_EQ(1U, rawValue->refCount());
+        WebCore::Length lengthB(lengthA);
+        EXPECT_EQ(1U, rawValue->refCount());
+
+        EXPECT_EQ(0U, deletionCount);
+    }
+
+    EXPECT_EQ(1U, deletionCount);
+    deletionCount = 0;
+
+    value = createTestValue();
+
+    {
+        auto* rawValue = value.get();
+        WebCore::Length lengthC(value.releaseNonNull());
+        EXPECT_EQ(1U, rawValue->refCount());
+        WebCore::Length lengthD(WTFMove(lengthC));
+        EXPECT_EQ(1U, rawValue->refCount());
+
+        EXPECT_EQ(0U, deletionCount);
+    }
+
+    EXPECT_EQ(1U, deletionCount);
+    deletionCount = 0;
+}
+
+TEST(CalculationValue, LengthAssignment)
+{
+    RefPtr<WebCore::CalculationValue> value = createTestValue();
+
+    EXPECT_EQ(1U, value->refCount());
+
+    {
+        WebCore::Length lengthA(*value);
+        EXPECT_EQ(2U, value->refCount());
+        WebCore::Length lengthB;
+        lengthB = lengthA;
+        EXPECT_EQ(2U, value->refCount());
+    }
+
+    EXPECT_EQ(1U, value->refCount());
+
+    {
+        WebCore::Length lengthC(*value);
+        EXPECT_EQ(2U, value->refCount());
+        WebCore::Length lengthD;
+        lengthD = WTFMove(lengthC);
+        EXPECT_EQ(2U, value->refCount());
+    }
+
+    EXPECT_EQ(1U, value->refCount());
+
+    EXPECT_EQ(0U, deletionCount);
+    value = nullptr;
+    EXPECT_EQ(1U, deletionCount);
+    deletionCount = 0;
+
+    value = createTestValue();
+    RefPtr<WebCore::CalculationValue> value2 = createTestValue();
+
+    EXPECT_EQ(1U, value->refCount());
+    EXPECT_EQ(1U, value2->refCount());
+
+    {
+        WebCore::Length lengthE(*value);
+        EXPECT_EQ(2U, value->refCount());
+        WebCore::Length lengthF(*value2);
+        EXPECT_EQ(2U, value2->refCount());
+        lengthE = lengthF;
+        EXPECT_EQ(1U, value->refCount());
+        EXPECT_EQ(2U, value2->refCount());
+    }
+
+    EXPECT_EQ(1U, value->refCount());
+    EXPECT_EQ(1U, value2->refCount());
+
+    {
+        WebCore::Length lengthG(*value);
+        EXPECT_EQ(2U, value->refCount());
+        WebCore::Length lengthH(*value2);
+        EXPECT_EQ(2U, value2->refCount());
+        lengthG = WTFMove(lengthH);
+        EXPECT_EQ(1U, value->refCount());
+        EXPECT_EQ(2U, value2->refCount());
+    }
+
+    EXPECT_EQ(0U, deletionCount);
+    value = nullptr;
+    EXPECT_EQ(1U, deletionCount);
+    value2 = nullptr;
+    EXPECT_EQ(2U, deletionCount);
+    deletionCount = 0;
+}
+
+TEST(CalculationValue, LengthAssignmentReleasedValue)
+{
+    RefPtr<WebCore::CalculationValue> value = createTestValue();
+
+    {
+        auto* rawValue = value.get();
+        WebCore::Length lengthA(value.releaseNonNull());
+        EXPECT_EQ(1U, rawValue->refCount());
+        WebCore::Length lengthB;
+        lengthB = lengthA;
+        EXPECT_EQ(1U, rawValue->refCount());
+
+        EXPECT_EQ(0U, deletionCount);
+    }
+
+    EXPECT_EQ(1U, deletionCount);
+    deletionCount = 0;
+
+    value = createTestValue();
+
+    {
+        auto* rawValue = value.get();
+        WebCore::Length lengthC(value.releaseNonNull());
+        EXPECT_EQ(1U, rawValue->refCount());
+        WebCore::Length lengthD;
+        lengthD = WTFMove(lengthC);
+        EXPECT_EQ(1U, rawValue->refCount());
+
+        EXPECT_EQ(0U, deletionCount);
+    }
+
+    EXPECT_EQ(1U, deletionCount);
+    deletionCount = 0;
+
+    value = createTestValue();
+    RefPtr<WebCore::CalculationValue> value2 = createTestValue();
+
+    EXPECT_EQ(1U, value->refCount());
+    EXPECT_EQ(1U, value2->refCount());
+
+    {
+        auto* rawValue = value.get();
+        WebCore::Length lengthE(value.releaseNonNull());
+        EXPECT_EQ(1U, rawValue->refCount());
+        auto* rawValue2 = value2.get();
+        WebCore::Length lengthF(value2.releaseNonNull());
+        EXPECT_EQ(1U, rawValue2->refCount());
+
+        lengthE = lengthF;
+        EXPECT_EQ(1U, deletionCount);
+        EXPECT_EQ(1U, rawValue2->refCount());
+    }
+
+    EXPECT_EQ(2U, deletionCount);
+    deletionCount = 0;
+
+    value = createTestValue();
+    value2 = createTestValue();
+
+    EXPECT_EQ(1U, value->refCount());
+    EXPECT_EQ(1U, value2->refCount());
+
+    {
+        auto* rawValue = value.get();
+        WebCore::Length lengthG(value.releaseNonNull());
+        EXPECT_EQ(1U, rawValue->refCount());
+        auto* rawValue2 = value2.get();
+        WebCore::Length lengthH(value2.releaseNonNull());
+        EXPECT_EQ(1U, rawValue2->refCount());
+
+        lengthG = WTFMove(lengthH);
+        EXPECT_EQ(1U, deletionCount);
+        EXPECT_EQ(1U, rawValue2->refCount());
+    }
+
+    EXPECT_EQ(2U, deletionCount);
+    deletionCount = 0;
+}
+
+}