Imported WebKit commit 68645295d2e3e09af2c942f092556f06aa5f8b0d (http://svn.webkit.org/repository/webkit/trunk@128073)

New snapshot

1 files changed, 132 insertions, 0 deletions

diff --git a/Tools/TestWebKitAPI/Tests/WTF/IntegerToStringConversion.cpp b/Tools/TestWebKitAPI/Tests/WTF/IntegerToStringConversion.cpp
new file mode 100644
index 000000000..6b9d8df72
--- /dev/null
+++ b/Tools/TestWebKitAPI/Tests/WTF/IntegerToStringConversion.cpp
@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 2012 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 <limits>
+#include <wtf/StringExtras.h>
+#include <wtf/text/CString.h>
+#include <wtf/text/WTFString.h>
+
+template<typename IntegerType> struct PrintfFormatTrait { static const char format[]; };
+
+template<> struct PrintfFormatTrait<short> { static const char format[]; };
+const char PrintfFormatTrait<short>::format[] = "%hd";
+
+template<> struct PrintfFormatTrait<int> { static const char format[]; };
+const char PrintfFormatTrait<int>::format[] = "%d";
+
+template<> struct PrintfFormatTrait<long> { static const char format[]; };
+const char PrintfFormatTrait<long>::format[] = "%ld";
+
+template<> struct PrintfFormatTrait<long long> { static const char format[]; };
+#if OS(WINDOWS) && !PLATFORM(QT)
+const char PrintfFormatTrait<long long>::format[] = "%I64i";
+#else
+const char PrintfFormatTrait<long long>::format[] = "%lli";
+#endif // OS(WINDOWS) && !PLATFORM(QT)
+
+template<> struct PrintfFormatTrait<unsigned short> { static const char format[]; };
+const char PrintfFormatTrait<unsigned short>::format[] = "%hu";
+
+template<> struct PrintfFormatTrait<unsigned> { static const char format[]; };
+const char PrintfFormatTrait<unsigned>::format[] = "%u";
+
+template<> struct PrintfFormatTrait<unsigned long> { static const char format[]; };
+const char PrintfFormatTrait<unsigned long>::format[] = "%lu";
+
+template<> struct PrintfFormatTrait<unsigned long long> { static const char format[]; };
+#if OS(WINDOWS) && !PLATFORM(QT)
+const char PrintfFormatTrait<unsigned long long>::format[] = "%I64u";
+#else
+const char PrintfFormatTrait<unsigned long long>::format[] = "%llu";
+#endif // OS(WINDOWS) && !PLATFORM(QT)
+
+
+// FIXME: use snprintf from StringExtras.h
+template<typename IntegerType>
+void testBoundaries()
+{
+    const unsigned bufferSize = 256;
+    Vector<char, bufferSize> buffer;
+    buffer.resize(bufferSize);
+
+    const IntegerType min = std::numeric_limits<IntegerType>::min();
+    CString minStringData = String::number(min).latin1();
+    snprintf(buffer.data(), bufferSize, PrintfFormatTrait<IntegerType>::format, min);
+    ASSERT_STREQ(buffer.data(), minStringData.data());
+
+    const IntegerType max = std::numeric_limits<IntegerType>::max();
+    CString maxStringData = String::number(max).latin1();
+    snprintf(buffer.data(), bufferSize, PrintfFormatTrait<IntegerType>::format, max);
+    ASSERT_STREQ(buffer.data(), maxStringData.data());
+}
+
+template<typename IntegerType>
+void testNumbers()
+{
+    const unsigned bufferSize = 256;
+    Vector<char, bufferSize> buffer;
+    buffer.resize(bufferSize);
+
+    for (int i = -100; i < 100; ++i) {
+        const IntegerType number = static_cast<IntegerType>(i);
+        CString numberStringData = String::number(number).latin1();
+        snprintf(buffer.data(), bufferSize, PrintfFormatTrait<IntegerType>::format, number);
+        ASSERT_STREQ(buffer.data(), numberStringData.data());
+    }
+}
+
+TEST(WTF, IntegerToStringConversionSignedIntegerBoundaries)
+{
+    testBoundaries<short>();
+    testBoundaries<int>();
+    testBoundaries<long>();
+    testBoundaries<long long>();
+}
+
+TEST(WTF, IntegerToStringConversionSignedIntegerRegularNumbers)
+{
+    testNumbers<short>();
+    testNumbers<int>();
+    testNumbers<long>();
+    testNumbers<long long>();
+}
+
+TEST(WTF, IntegerToStringConversionUnsignedIntegerBoundaries)
+{
+    testBoundaries<unsigned short>();
+    testBoundaries<unsigned int>();
+    testBoundaries<unsigned long>();
+    testBoundaries<unsigned long long>();
+}
+
+TEST(WTF, IntegerToStringConversionUnsignedIntegerRegularNumbers)
+{
+    testNumbers<unsigned short>();
+    testNumbers<unsigned int>();
+    testNumbers<unsigned long>();
+    testNumbers<unsigned long long>();
+}