38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
//===-- Unittests for strlcat ---------------------------------------------===//
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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/strlcat.h"
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#include "utils/UnitTest/Test.h"
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#include <stdlib.h>
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TEST(LlvmLibcStrlcatTest, TooBig) {
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const char *str = "cd";
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char buf[4]{"ab"};
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EXPECT_EQ(__llvm_libc::strlcat(buf, str, 3), size_t(4));
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EXPECT_STREQ(buf, "ab");
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EXPECT_EQ(__llvm_libc::strlcat(buf, str, 4), size_t(4));
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EXPECT_STREQ(buf, "abc");
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}
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TEST(LlvmLibcStrlcatTest, Smaller) {
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const char *str = "cd";
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char buf[7]{"ab"};
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EXPECT_EQ(__llvm_libc::strlcat(buf, str, 7), size_t(4));
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EXPECT_STREQ(buf, "abcd");
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}
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TEST(LlvmLibcStrlcatTest, No0) {
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const char *str = "cd";
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char buf[7]{"ab"};
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EXPECT_EQ(__llvm_libc::strlcat(buf, str, 1), size_t(3));
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EXPECT_STREQ(buf, "ab");
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EXPECT_EQ(__llvm_libc::strlcat(buf, str, 2), size_t(4));
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EXPECT_STREQ(buf, "ab");
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}
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