25226f3e4a
Apply the formatting rules that were applied to the libc/src directory to the libc/test directory, as well as the files in libc/utils that are included by the tests. This does not include automated enforcement. Reviewed By: sivachandra, lntue Differential Revision: https://reviews.llvm.org/D116127
59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
//===-- Unittests for bcmp ------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "src/string/bcmp.h"
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#include "utils/UnitTest/Test.h"
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TEST(LlvmLibcBcmpTest, CmpZeroByte) {
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const char *lhs = "ab";
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const char *rhs = "bc";
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EXPECT_EQ(__llvm_libc::bcmp(lhs, rhs, 0), 0);
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}
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TEST(LlvmLibcBcmpTest, LhsRhsAreTheSame) {
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const char *lhs = "ab";
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const char *rhs = "ab";
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EXPECT_EQ(__llvm_libc::bcmp(lhs, rhs, 2), 0);
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}
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TEST(LlvmLibcBcmpTest, LhsBeforeRhsLexically) {
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const char *lhs = "ab";
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const char *rhs = "ac";
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EXPECT_NE(__llvm_libc::bcmp(lhs, rhs, 2), 0);
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}
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TEST(LlvmLibcBcmpTest, LhsAfterRhsLexically) {
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const char *lhs = "ac";
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const char *rhs = "ab";
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EXPECT_NE(__llvm_libc::bcmp(lhs, rhs, 2), 0);
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}
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TEST(LlvmLibcBcmpTest, Sweep) {
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static constexpr size_t K_MAX_SIZE = 1024;
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char lhs[K_MAX_SIZE];
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char rhs[K_MAX_SIZE];
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const auto reset = [](char *const ptr) {
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for (size_t i = 0; i < K_MAX_SIZE; ++i)
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ptr[i] = 'a';
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};
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reset(lhs);
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reset(rhs);
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for (size_t i = 0; i < K_MAX_SIZE; ++i)
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EXPECT_EQ(__llvm_libc::bcmp(lhs, rhs, i), 0);
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reset(lhs);
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reset(rhs);
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for (size_t i = 0; i < K_MAX_SIZE; ++i) {
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rhs[i] = 'b';
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EXPECT_NE(__llvm_libc::bcmp(lhs, rhs, K_MAX_SIZE), 0);
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rhs[i] = 'a';
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}
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}
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