OLD | NEW |
1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include <stddef.h> | 5 #include <stddef.h> |
6 #include <stdint.h> | 6 #include <stdint.h> |
7 | 7 |
8 #include <limits> | 8 #include <limits> |
9 #include <type_traits> | 9 #include <type_traits> |
10 | 10 |
(...skipping 638 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
649 std::numeric_limits<float>::infinity(); | 649 std::numeric_limits<float>::infinity(); |
650 EXPECT_TRUE(std::isnan(not_a_number)); | 650 EXPECT_TRUE(std::isnan(not_a_number)); |
651 EXPECT_EQ(0, saturated_cast<int>(not_a_number)); | 651 EXPECT_EQ(0, saturated_cast<int>(not_a_number)); |
652 } | 652 } |
653 | 653 |
654 TEST(SafeNumerics, SaturatedCastChecks) { | 654 TEST(SafeNumerics, SaturatedCastChecks) { |
655 float not_a_number = std::numeric_limits<float>::infinity() - | 655 float not_a_number = std::numeric_limits<float>::infinity() - |
656 std::numeric_limits<float>::infinity(); | 656 std::numeric_limits<float>::infinity(); |
657 EXPECT_TRUE(std::isnan(not_a_number)); | 657 EXPECT_TRUE(std::isnan(not_a_number)); |
658 EXPECT_DCHECK_DEATH( | 658 EXPECT_DCHECK_DEATH( |
659 (saturated_cast<int, base::SaturatedCastNaNBehaviorCheck>(not_a_number)), | 659 (saturated_cast<int, base::SaturatedCastNaNBehaviorCheck>(not_a_number))); |
660 ""); | |
661 } | 660 } |
662 | 661 |
663 TEST(SafeNumerics, IsValueInRangeForNumericType) { | 662 TEST(SafeNumerics, IsValueInRangeForNumericType) { |
664 EXPECT_TRUE(IsValueInRangeForNumericType<uint32_t>(0)); | 663 EXPECT_TRUE(IsValueInRangeForNumericType<uint32_t>(0)); |
665 EXPECT_TRUE(IsValueInRangeForNumericType<uint32_t>(1)); | 664 EXPECT_TRUE(IsValueInRangeForNumericType<uint32_t>(1)); |
666 EXPECT_TRUE(IsValueInRangeForNumericType<uint32_t>(2)); | 665 EXPECT_TRUE(IsValueInRangeForNumericType<uint32_t>(2)); |
667 EXPECT_FALSE(IsValueInRangeForNumericType<uint32_t>(-1)); | 666 EXPECT_FALSE(IsValueInRangeForNumericType<uint32_t>(-1)); |
668 EXPECT_TRUE(IsValueInRangeForNumericType<uint32_t>(0xffffffffu)); | 667 EXPECT_TRUE(IsValueInRangeForNumericType<uint32_t>(0xffffffffu)); |
669 EXPECT_TRUE(IsValueInRangeForNumericType<uint32_t>(UINT64_C(0xffffffff))); | 668 EXPECT_TRUE(IsValueInRangeForNumericType<uint32_t>(UINT64_C(0xffffffff))); |
670 EXPECT_FALSE(IsValueInRangeForNumericType<uint32_t>(UINT64_C(0x100000000))); | 669 EXPECT_FALSE(IsValueInRangeForNumericType<uint32_t>(UINT64_C(0x100000000))); |
(...skipping 80 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
751 | 750 |
752 CheckedNumeric<int> too_large = std::numeric_limits<int>::max(); | 751 CheckedNumeric<int> too_large = std::numeric_limits<int>::max(); |
753 EXPECT_TRUE(too_large.IsValid()); | 752 EXPECT_TRUE(too_large.IsValid()); |
754 too_large += d; | 753 too_large += d; |
755 EXPECT_FALSE(too_large.IsValid()); | 754 EXPECT_FALSE(too_large.IsValid()); |
756 too_large -= d; | 755 too_large -= d; |
757 EXPECT_FALSE(too_large.IsValid()); | 756 EXPECT_FALSE(too_large.IsValid()); |
758 too_large /= d; | 757 too_large /= d; |
759 EXPECT_FALSE(too_large.IsValid()); | 758 EXPECT_FALSE(too_large.IsValid()); |
760 } | 759 } |
OLD | NEW |