| 1 | //===-- Unittests for stdc_has_single_bit_uc ------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "src/__support/CPP/limits.h" |
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| 10 | #include "src/stdbit/stdc_has_single_bit_uc.h" |
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| 11 | #include "test/UnitTest/Test.h" |
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| 12 | |
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| 13 | TEST(LlvmLibcStdcHasSingleBitUcTest, Zero) { |
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| 14 | EXPECT_EQ(LIBC_NAMESPACE::stdc_has_single_bit_uc(0U), false); |
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| 15 | } |
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| 16 | |
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| 17 | TEST(LlvmLibcStdcHasSingleBitUcTest, OneHot) { |
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| 18 | for (unsigned i = 0U; i != UCHAR_WIDTH; ++i) |
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| 19 | EXPECT_EQ(LIBC_NAMESPACE::stdc_has_single_bit_uc( |
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| 20 | static_cast<unsigned char>(1U << i)), |
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| 21 | true); |
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| 22 | } |
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| 23 | |
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