wtf reformat test

third_party/WebKit/Source/wtf/MathExtrasTest.cpp

 /*
  * Copyright (C) 2012 Intel Corporation
  *
  * 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
@@ skipping 11 matching lines @@
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  * THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "wtf/MathExtras.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace WTF {
 
-TEST(MathExtrasTest, Lrint)
-{
-    EXPECT_EQ(-8, lrint(-7.5));
-    EXPECT_EQ(-8, lrint(-8.5));
-    EXPECT_EQ(0, lrint(-0.5));
-    EXPECT_EQ(0, lrint(0.5));
-    EXPECT_EQ(0, lrint(-0.5));
-    EXPECT_EQ(1, lrint(1.3));
-    EXPECT_EQ(2, lrint(1.7));
-    EXPECT_EQ(0, lrint(0));
-    EXPECT_EQ(0, lrint(-0));
-    if (sizeof(long int) == 8) {
-        // Largest double number with 0.5 precision and one halfway rounding case below.
-        EXPECT_EQ(pow(2.0, 52), lrint(pow(2.0, 52) - 0.5));
-        EXPECT_EQ(pow(2.0, 52) - 2, lrint(pow(2.0, 52) - 1.5));
-        // Smallest double number with 0.5 precision and one halfway rounding case above.
-        EXPECT_EQ(-pow(2.0, 52), lrint(-pow(2.0, 52) + 0.5));
-        EXPECT_EQ(-pow(2.0, 52) + 2, lrint(-pow(2.0, 52) + 1.5));
-    }
-}
-
-TEST(MathExtrasTest, clampToIntLong)
-{
-    if (sizeof(long) == sizeof(int))
-        return;
-
-    long maxInt = std::numeric_limits<int>::max();
-    long minInt = std::numeric_limits<int>::min();
-    long overflowInt = maxInt + 1;
-    long underflowInt = minInt - 1;
-
-    EXPECT_GT(overflowInt, maxInt);
-    EXPECT_LT(underflowInt, minInt);
-
-    EXPECT_EQ(maxInt, clampTo<int>(maxInt));
-    EXPECT_EQ(minInt, clampTo<int>(minInt));
-
-    EXPECT_EQ(maxInt, clampTo<int>(overflowInt));
-    EXPECT_EQ(minInt, clampTo<int>(underflowInt));
-}
-
-TEST(MathExtrasTest, clampToIntLongLong)
-{
-    long long maxInt = std::numeric_limits<int>::max();
-    long long minInt = std::numeric_limits<int>::min();
-    long long overflowInt = maxInt + 1;
-    long long underflowInt = minInt - 1;
-
-    EXPECT_GT(overflowInt, maxInt);
-    EXPECT_LT(underflowInt, minInt);
-
-    EXPECT_EQ(maxInt, clampTo<int>(maxInt));
-    EXPECT_EQ(minInt, clampTo<int>(minInt));
-
-    EXPECT_EQ(maxInt, clampTo<int>(overflowInt));
-    EXPECT_EQ(minInt, clampTo<int>(underflowInt));
-}
-
-TEST(MathExtrasTest, clampToIntFloat)
-{
-    float maxInt = static_cast<float>(std::numeric_limits<int>::max());
-    float minInt = static_cast<float>(std::numeric_limits<int>::min());
-    float overflowInt = maxInt * 1.1f;
-    float underflowInt = minInt * 1.1f;
-
-    EXPECT_GT(overflowInt, maxInt);
-    EXPECT_LT(underflowInt, minInt);
-
-    EXPECT_EQ(maxInt, clampTo<int>(maxInt));
-    EXPECT_EQ(minInt, clampTo<int>(minInt));
-
-    EXPECT_EQ(maxInt, clampTo<int>(overflowInt));
-    EXPECT_EQ(minInt, clampTo<int>(underflowInt));
-
-    // This value and the value one greater are typically represented the same
-    // way when stored in a 32-bit float.  Make sure clamping does not cause us
-    // to erroneously jump to the larger value.
-    int nearFloatPrecisionLimit = 2147483520;
-    EXPECT_EQ(nearFloatPrecisionLimit, clampTo<int>(static_cast<float>(nearFloatPrecisionLimit), 0, nearFloatPrecisionLimit + 1));
-    EXPECT_EQ(-nearFloatPrecisionLimit, clampTo<int>(static_cast<float>(-nearFloatPrecisionLimit), -nearFloatPrecisionLimit - 1, 0));
-}
-
-TEST(MathExtrasTest, clampToIntDouble)
-{
-    int maxInt = std::numeric_limits<int>::max();
-    int minInt = std::numeric_limits<int>::min();
-    double almostOverflowInt = maxInt - 0.5;
-    double overflowInt = maxInt + 0.5;
-    double almostUnderflowInt = minInt + 0.5;
-    double underflowInt = minInt - 0.5;
-
-    EXPECT_LT(almostOverflowInt, maxInt);
-    EXPECT_GT(overflowInt, maxInt);
-    EXPECT_GT(almostUnderflowInt, minInt);
-    EXPECT_LT(underflowInt, minInt);
-
-    EXPECT_EQ(maxInt, clampTo<int>(static_cast<double>(maxInt)));
-    EXPECT_EQ(minInt, clampTo<int>(static_cast<double>(minInt)));
-
-    EXPECT_EQ(maxInt - 1, clampTo<int>(almostOverflowInt));
-    EXPECT_EQ(maxInt, clampTo<int>(overflowInt));
-    EXPECT_EQ(minInt + 1, clampTo<int>(almostUnderflowInt));
-    EXPECT_EQ(minInt, clampTo<int>(underflowInt));
-}
-
-TEST(MathExtrasTest, clampToFloatDouble)
-{
-    double maxFloat = std::numeric_limits<float>::max();
-    double minFloat = -maxFloat;
-    double overflowFloat = maxFloat * 1.1;
-    double underflowFloat = minFloat * 1.1;
-
-    EXPECT_GT(overflowFloat, maxFloat);
-    EXPECT_LT(underflowFloat, minFloat);
-
-    EXPECT_EQ(maxFloat, clampTo<float>(maxFloat));
-    EXPECT_EQ(minFloat, clampTo<float>(minFloat));
-
-    EXPECT_EQ(maxFloat, clampTo<float>(overflowFloat));
-    EXPECT_EQ(minFloat, clampTo<float>(underflowFloat));
-
-    EXPECT_EQ(maxFloat, clampTo<float>(std::numeric_limits<float>::infinity()));
-    EXPECT_EQ(minFloat, clampTo<float>(-std::numeric_limits<float>::infinity()));
-}
-
-TEST(MathExtrasTest, clampToDouble)
-{
-    EXPECT_EQ(0.0, clampTo<double>(0));
-    EXPECT_EQ(0.0, clampTo<double>(0.0f));
-    EXPECT_EQ(0.0, clampTo<double>(0ULL));
-    EXPECT_EQ(3.5, clampTo<double>(std::numeric_limits<unsigned long long>::max(), 0.0, 3.5));
-}
-
-TEST(MathExtrasText, clampToLongLongDouble)
-{
-    double overflowLL = static_cast<double>(std::numeric_limits<long long>::max()) * 2;
-    EXPECT_EQ(std::numeric_limits<long long>::max(), clampTo<long long>(overflowLL));
-    EXPECT_EQ(std::numeric_limits<long long>::min(), clampTo<long long>(-overflowLL));
-}
-
-TEST(MathExtrasText, clampToUnsignedLongLongDouble)
-{
-    double overflowULL = static_cast<double>(std::numeric_limits<unsigned long long>::max()) * 2;
-    EXPECT_EQ(std::numeric_limits<unsigned long long>::max(), clampTo<unsigned long long>(overflowULL));
-    EXPECT_EQ(std::numeric_limits<unsigned long long>::min(), clampTo<unsigned long long>(-overflowULL));
-}
-
-TEST(MathExtrasTest, clampToUnsignedUnsignedLong)
-{
-    if (sizeof(unsigned long) == sizeof(unsigned))
-        return;
-
-    unsigned long maxUnsigned = std::numeric_limits<unsigned>::max();
-    unsigned long overflowUnsigned = maxUnsigned + 1;
-
-    EXPECT_GT(overflowUnsigned, maxUnsigned);
-
-    EXPECT_EQ(maxUnsigned, clampTo<unsigned>(maxUnsigned));
-
-    EXPECT_EQ(maxUnsigned, clampTo<unsigned>(overflowUnsigned));
-    EXPECT_EQ(0u, clampTo<unsigned>(-1));
-}
-
-TEST(MathExtrasTest, clampToUnsignedUnsignedLongLong)
-{
-    unsigned long long maxUnsigned = std::numeric_limits<unsigned>::max();
-    unsigned long long overflowUnsigned = maxUnsigned + 1;
-
-    EXPECT_GT(overflowUnsigned, maxUnsigned);
-
-    EXPECT_EQ(maxUnsigned, clampTo<unsigned>(maxUnsigned));
-
-    EXPECT_EQ(maxUnsigned, clampTo<unsigned>(overflowUnsigned));
-    EXPECT_EQ(0u, clampTo<unsigned>(-1));
-}
-
-TEST(MathExtrasTest, clampToLongLongUnsignedLongLong)
-{
-    long long maxLongLongLL = std::numeric_limits<long long>::max();
-    unsigned long long maxLongLongULL = maxLongLongLL;
-    unsigned long long overflowLongLong = maxLongLongULL + 1;
-
-    EXPECT_GT(overflowLongLong, maxLongLongULL);
-
-    EXPECT_EQ(maxLongLongLL, clampTo<long long>(maxLongLongULL));
-    EXPECT_EQ(maxLongLongLL - 1, clampTo<long long>(maxLongLongULL - 1));
-    EXPECT_EQ(maxLongLongLL, clampTo<long long>(overflowLongLong));
-
-    EXPECT_EQ(-3LL, clampTo<long long>(2ULL, -5LL, -3LL));
-}
-
-TEST(MathExtrasTest, clampToUnsignedLongLongInt)
-{
-    EXPECT_EQ(0ULL, clampTo<unsigned long long>(-1));
-    EXPECT_EQ(0ULL, clampTo<unsigned long long>(0));
-    EXPECT_EQ(1ULL, clampTo<unsigned long long>(1));
-}
-
-TEST(MathExtrasTest, clampToUnsignedLongLongUnsignedLongLong)
-{
-    EXPECT_EQ(0ULL, clampTo<unsigned long long>(0ULL));
-    EXPECT_EQ(1ULL, clampTo<unsigned long long>(0ULL, 1ULL, 2ULL));
-    EXPECT_EQ(2ULL, clampTo<unsigned long long>(3ULL, 1ULL, 2ULL));
-    EXPECT_EQ(0xFFFFFFFFFFFFFFF5ULL, clampTo<unsigned long long>(0xFFFFFFFFFFFFFFF5ULL));
+TEST(MathExtrasTest, Lrint) {
+  EXPECT_EQ(-8, lrint(-7.5));
+  EXPECT_EQ(-8, lrint(-8.5));
+  EXPECT_EQ(0, lrint(-0.5));
+  EXPECT_EQ(0, lrint(0.5));
+  EXPECT_EQ(0, lrint(-0.5));
+  EXPECT_EQ(1, lrint(1.3));
+  EXPECT_EQ(2, lrint(1.7));
+  EXPECT_EQ(0, lrint(0));
+  EXPECT_EQ(0, lrint(-0));
+  if (sizeof(long int) == 8) {
+    // Largest double number with 0.5 precision and one halfway rounding case below.
+    EXPECT_EQ(pow(2.0, 52), lrint(pow(2.0, 52) - 0.5));
+    EXPECT_EQ(pow(2.0, 52) - 2, lrint(pow(2.0, 52) - 1.5));
+    // Smallest double number with 0.5 precision and one halfway rounding case above.
+    EXPECT_EQ(-pow(2.0, 52), lrint(-pow(2.0, 52) + 0.5));
+    EXPECT_EQ(-pow(2.0, 52) + 2, lrint(-pow(2.0, 52) + 1.5));
+  }
+}
+
+TEST(MathExtrasTest, clampToIntLong) {
+  if (sizeof(long) == sizeof(int))
+    return;
+
+  long maxInt = std::numeric_limits<int>::max();
+  long minInt = std::numeric_limits<int>::min();
+  long overflowInt = maxInt + 1;
+  long underflowInt = minInt - 1;
+
+  EXPECT_GT(overflowInt, maxInt);
+  EXPECT_LT(underflowInt, minInt);
+
+  EXPECT_EQ(maxInt, clampTo<int>(maxInt));
+  EXPECT_EQ(minInt, clampTo<int>(minInt));
+
+  EXPECT_EQ(maxInt, clampTo<int>(overflowInt));
+  EXPECT_EQ(minInt, clampTo<int>(underflowInt));
+}
+
+TEST(MathExtrasTest, clampToIntLongLong) {
+  long long maxInt = std::numeric_limits<int>::max();
+  long long minInt = std::numeric_limits<int>::min();
+  long long overflowInt = maxInt + 1;
+  long long underflowInt = minInt - 1;
+
+  EXPECT_GT(overflowInt, maxInt);
+  EXPECT_LT(underflowInt, minInt);
+
+  EXPECT_EQ(maxInt, clampTo<int>(maxInt));
+  EXPECT_EQ(minInt, clampTo<int>(minInt));
+
+  EXPECT_EQ(maxInt, clampTo<int>(overflowInt));
+  EXPECT_EQ(minInt, clampTo<int>(underflowInt));
+}
+
+TEST(MathExtrasTest, clampToIntFloat) {
+  float maxInt = static_cast<float>(std::numeric_limits<int>::max());
+  float minInt = static_cast<float>(std::numeric_limits<int>::min());
+  float overflowInt = maxInt * 1.1f;
+  float underflowInt = minInt * 1.1f;
+
+  EXPECT_GT(overflowInt, maxInt);
+  EXPECT_LT(underflowInt, minInt);
+
+  EXPECT_EQ(maxInt, clampTo<int>(maxInt));
+  EXPECT_EQ(minInt, clampTo<int>(minInt));
+
+  EXPECT_EQ(maxInt, clampTo<int>(overflowInt));
+  EXPECT_EQ(minInt, clampTo<int>(underflowInt));
+
+  // This value and the value one greater are typically represented the same
+  // way when stored in a 32-bit float.  Make sure clamping does not cause us
+  // to erroneously jump to the larger value.
+  int nearFloatPrecisionLimit = 2147483520;
+  EXPECT_EQ(nearFloatPrecisionLimit,
+            clampTo<int>(static_cast<float>(nearFloatPrecisionLimit), 0,
+                         nearFloatPrecisionLimit + 1));
+  EXPECT_EQ(-nearFloatPrecisionLimit,
+            clampTo<int>(static_cast<float>(-nearFloatPrecisionLimit),
+                         -nearFloatPrecisionLimit - 1, 0));
+}
+
+TEST(MathExtrasTest, clampToIntDouble) {
+  int maxInt = std::numeric_limits<int>::max();
+  int minInt = std::numeric_limits<int>::min();
+  double almostOverflowInt = maxInt - 0.5;
+  double overflowInt = maxInt + 0.5;
+  double almostUnderflowInt = minInt + 0.5;
+  double underflowInt = minInt - 0.5;
+
+  EXPECT_LT(almostOverflowInt, maxInt);
+  EXPECT_GT(overflowInt, maxInt);
+  EXPECT_GT(almostUnderflowInt, minInt);
+  EXPECT_LT(underflowInt, minInt);
+
+  EXPECT_EQ(maxInt, clampTo<int>(static_cast<double>(maxInt)));
+  EXPECT_EQ(minInt, clampTo<int>(static_cast<double>(minInt)));
+
+  EXPECT_EQ(maxInt - 1, clampTo<int>(almostOverflowInt));
+  EXPECT_EQ(maxInt, clampTo<int>(overflowInt));
+  EXPECT_EQ(minInt + 1, clampTo<int>(almostUnderflowInt));
+  EXPECT_EQ(minInt, clampTo<int>(underflowInt));
+}
+
+TEST(MathExtrasTest, clampToFloatDouble) {
+  double maxFloat = std::numeric_limits<float>::max();
+  double minFloat = -maxFloat;
+  double overflowFloat = maxFloat * 1.1;
+  double underflowFloat = minFloat * 1.1;
+
+  EXPECT_GT(overflowFloat, maxFloat);
+  EXPECT_LT(underflowFloat, minFloat);
+
+  EXPECT_EQ(maxFloat, clampTo<float>(maxFloat));
+  EXPECT_EQ(minFloat, clampTo<float>(minFloat));
+
+  EXPECT_EQ(maxFloat, clampTo<float>(overflowFloat));
+  EXPECT_EQ(minFloat, clampTo<float>(underflowFloat));
+
+  EXPECT_EQ(maxFloat, clampTo<float>(std::numeric_limits<float>::infinity()));
+  EXPECT_EQ(minFloat, clampTo<float>(-std::numeric_limits<float>::infinity()));
+}
+
+TEST(MathExtrasTest, clampToDouble) {
+  EXPECT_EQ(0.0, clampTo<double>(0));
+  EXPECT_EQ(0.0, clampTo<double>(0.0f));
+  EXPECT_EQ(0.0, clampTo<double>(0ULL));
+  EXPECT_EQ(3.5, clampTo<double>(std::numeric_limits<unsigned long long>::max(),
+                                 0.0, 3.5));
+}
+
+TEST(MathExtrasText, clampToLongLongDouble) {
+  double overflowLL =
+      static_cast<double>(std::numeric_limits<long long>::max()) * 2;
+  EXPECT_EQ(std::numeric_limits<long long>::max(),
+            clampTo<long long>(overflowLL));
+  EXPECT_EQ(std::numeric_limits<long long>::min(),
+            clampTo<long long>(-overflowLL));
+}
+
+TEST(MathExtrasText, clampToUnsignedLongLongDouble) {
+  double overflowULL =
+      static_cast<double>(std::numeric_limits<unsigned long long>::max()) * 2;
+  EXPECT_EQ(std::numeric_limits<unsigned long long>::max(),
+            clampTo<unsigned long long>(overflowULL));
+  EXPECT_EQ(std::numeric_limits<unsigned long long>::min(),
+            clampTo<unsigned long long>(-overflowULL));
+}
+
+TEST(MathExtrasTest, clampToUnsignedUnsignedLong) {
+  if (sizeof(unsigned long) == sizeof(unsigned))
+    return;
+
+  unsigned long maxUnsigned = std::numeric_limits<unsigned>::max();
+  unsigned long overflowUnsigned = maxUnsigned + 1;
+
+  EXPECT_GT(overflowUnsigned, maxUnsigned);
+
+  EXPECT_EQ(maxUnsigned, clampTo<unsigned>(maxUnsigned));
+
+  EXPECT_EQ(maxUnsigned, clampTo<unsigned>(overflowUnsigned));
+  EXPECT_EQ(0u, clampTo<unsigned>(-1));
+}
+
+TEST(MathExtrasTest, clampToUnsignedUnsignedLongLong) {
+  unsigned long long maxUnsigned = std::numeric_limits<unsigned>::max();
+  unsigned long long overflowUnsigned = maxUnsigned + 1;
+
+  EXPECT_GT(overflowUnsigned, maxUnsigned);
+
+  EXPECT_EQ(maxUnsigned, clampTo<unsigned>(maxUnsigned));
+
+  EXPECT_EQ(maxUnsigned, clampTo<unsigned>(overflowUnsigned));
+  EXPECT_EQ(0u, clampTo<unsigned>(-1));
+}
+
+TEST(MathExtrasTest, clampToLongLongUnsignedLongLong) {
+  long long maxLongLongLL = std::numeric_limits<long long>::max();
+  unsigned long long maxLongLongULL = maxLongLongLL;
+  unsigned long long overflowLongLong = maxLongLongULL + 1;
+
+  EXPECT_GT(overflowLongLong, maxLongLongULL);
+
+  EXPECT_EQ(maxLongLongLL, clampTo<long long>(maxLongLongULL));
+  EXPECT_EQ(maxLongLongLL - 1, clampTo<long long>(maxLongLongULL - 1));
+  EXPECT_EQ(maxLongLongLL, clampTo<long long>(overflowLongLong));
+
+  EXPECT_EQ(-3LL, clampTo<long long>(2ULL, -5LL, -3LL));
+}
+
+TEST(MathExtrasTest, clampToUnsignedLongLongInt) {
+  EXPECT_EQ(0ULL, clampTo<unsigned long long>(-1));
+  EXPECT_EQ(0ULL, clampTo<unsigned long long>(0));
+  EXPECT_EQ(1ULL, clampTo<unsigned long long>(1));
+}
+
+TEST(MathExtrasTest, clampToUnsignedLongLongUnsignedLongLong) {
+  EXPECT_EQ(0ULL, clampTo<unsigned long long>(0ULL));
+  EXPECT_EQ(1ULL, clampTo<unsigned long long>(0ULL, 1ULL, 2ULL));
+  EXPECT_EQ(2ULL, clampTo<unsigned long long>(3ULL, 1ULL, 2ULL));
+  EXPECT_EQ(0xFFFFFFFFFFFFFFF5ULL,
+            clampTo<unsigned long long>(0xFFFFFFFFFFFFFFF5ULL));
 }
 
 // Make sure that various +-inf cases are handled properly (they aren't
 // by default on VS).
-TEST(MathExtrasTest, infinityMath)
-{
-    double posInf = std::numeric_limits<double>::infinity();
-    double negInf = -std::numeric_limits<double>::infinity();
-    double nan = std::numeric_limits<double>::quiet_NaN();
-
-    EXPECT_EQ(M_PI_4, atan2(posInf, posInf));
-    EXPECT_EQ(3.0 * M_PI_4, atan2(posInf, negInf));
-    EXPECT_EQ(-M_PI_4, atan2(negInf, posInf));
-    EXPECT_EQ(-3.0 * M_PI_4, atan2(negInf, negInf));
-
-    EXPECT_EQ(0.0, fmod(0.0, posInf));
-    EXPECT_EQ(7.0, fmod(7.0, posInf));
-    EXPECT_EQ(-7.0, fmod(-7.0, posInf));
-    EXPECT_EQ(0.0, fmod(0.0, negInf));
-    EXPECT_EQ(7.0, fmod(7.0, negInf));
-    EXPECT_EQ(-7.0, fmod(-7.0, negInf));
-
-    EXPECT_EQ(1.0, pow(5.0, 0.0));
-    EXPECT_EQ(1.0, pow(-5.0, 0.0));
-    EXPECT_EQ(1.0, pow(nan, 0.0));
-}
-
-} // namespace WTF
+TEST(MathExtrasTest, infinityMath) {
+  double posInf = std::numeric_limits<double>::infinity();
+  double negInf = -std::numeric_limits<double>::infinity();
+  double nan = std::numeric_limits<double>::quiet_NaN();
+
+  EXPECT_EQ(M_PI_4, atan2(posInf, posInf));
+  EXPECT_EQ(3.0 * M_PI_4, atan2(posInf, negInf));
+  EXPECT_EQ(-M_PI_4, atan2(negInf, posInf));
+  EXPECT_EQ(-3.0 * M_PI_4, atan2(negInf, negInf));
+
+  EXPECT_EQ(0.0, fmod(0.0, posInf));
+  EXPECT_EQ(7.0, fmod(7.0, posInf));
+  EXPECT_EQ(-7.0, fmod(-7.0, posInf));
+  EXPECT_EQ(0.0, fmod(0.0, negInf));
+  EXPECT_EQ(7.0, fmod(7.0, negInf));
+  EXPECT_EQ(-7.0, fmod(-7.0, negInf));
+
+  EXPECT_EQ(1.0, pow(5.0, 0.0));
+  EXPECT_EQ(1.0, pow(-5.0, 0.0));
+  EXPECT_EQ(1.0, pow(nan, 0.0));
+}
+
+}  // namespace WTF