1 | //===-- Utility class to test the issubnormal macro ------------*- C++ -*-===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | #ifndef LLVM_LIBC_TEST_INCLUDE_MATH_ISSUBNORMAL_H |
10 | #define LLVM_LIBC_TEST_INCLUDE_MATH_ISSUBNORMAL_H |
11 | |
12 | #include "test/UnitTest/FPMatcher.h" |
13 | #include "test/UnitTest/Test.h" |
14 | |
15 | #include "include/llvm-libc-macros/math-function-macros.h" |
16 | |
17 | template <typename T> |
18 | class IsSubnormalTest : public LIBC_NAMESPACE::testing::Test { |
19 | DECLARE_SPECIAL_CONSTANTS(T) |
20 | |
21 | public: |
22 | typedef bool (*IsSubnormalFunc)(T); |
23 | |
24 | void testSpecialNumbers(IsSubnormalFunc func) { |
25 | EXPECT_FALSE(func(aNaN)); |
26 | EXPECT_FALSE(func(neg_aNaN)); |
27 | EXPECT_FALSE(func(sNaN)); |
28 | EXPECT_FALSE(func(neg_sNaN)); |
29 | EXPECT_FALSE(func(inf)); |
30 | EXPECT_FALSE(func(neg_inf)); |
31 | EXPECT_FALSE(func(min_normal)); |
32 | EXPECT_FALSE(func(max_normal)); |
33 | EXPECT_FALSE(func(neg_max_normal)); |
34 | EXPECT_TRUE(func(min_denormal)); |
35 | EXPECT_TRUE(func(neg_min_denormal)); |
36 | EXPECT_TRUE(func(max_denormal)); |
37 | EXPECT_FALSE(func(zero)); |
38 | EXPECT_FALSE(func(neg_zero)); |
39 | } |
40 | }; |
41 | |
42 | #define LIST_ISSUBNORMAL_TESTS(T, func) \ |
43 | using LlvmLibcIsSubnormalTest = IsSubnormalTest<T>; \ |
44 | TEST_F(LlvmLibcIsSubnormalTest, SpecialNumbers) { \ |
45 | auto issubnormal_func = [](T x) { return func(x); }; \ |
46 | testSpecialNumbers(issubnormal_func); \ |
47 | } |
48 | |
49 | #endif // LLVM_LIBC_TEST_INCLUDE_MATH_ISSUBNORMAL_H |
50 | |