b215c8e18f
Implemented wcpcpy and tests. --------- Co-authored-by: Sriya Pratipati <sriyap@google.com>
51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
//===-- Unittests for wcpcpy ---------------------------------------------===//
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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 "hdr/types/wchar_t.h"
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#include "src/wchar/wcpcpy.h"
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#include "test/UnitTest/Test.h"
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TEST(LlvmLibcWCPCpyTest, EmptySrc) {
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// Empty src should lead to empty destination.
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wchar_t dest[4] = {L'a', L'b', L'c', L'\0'};
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const wchar_t *src = L"";
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LIBC_NAMESPACE::wcpcpy(dest, src);
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ASSERT_TRUE(dest[0] == src[0]);
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ASSERT_TRUE(dest[0] == L'\0');
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}
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TEST(LlvmLibcWCPCpyTest, EmptyDest) {
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// Empty dest should result in src
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const wchar_t *src = L"abc";
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wchar_t dest[4];
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wchar_t *result = LIBC_NAMESPACE::wcpcpy(dest, src);
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ASSERT_EQ(dest + 3, result);
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ASSERT_TRUE(result[0] == L'\0');
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ASSERT_TRUE(dest[0] == L'a');
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ASSERT_TRUE(dest[1] == L'b');
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ASSERT_TRUE(dest[2] == L'c');
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}
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TEST(LlvmLibcWCPCpyTest, OffsetDest) {
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// Offsetting should result in a concatenation.
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const wchar_t *src = L"abc";
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wchar_t dest[7];
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dest[0] = L'x';
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dest[1] = L'y';
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dest[2] = L'z';
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wchar_t *result = LIBC_NAMESPACE::wcpcpy(dest + 3, src);
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ASSERT_TRUE(dest[0] == L'x');
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ASSERT_TRUE(dest[1] == L'y');
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ASSERT_TRUE(dest[2] == L'z');
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ASSERT_TRUE(dest[3] == src[0]);
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ASSERT_TRUE(dest[4] == src[1]);
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ASSERT_TRUE(dest[5] == src[2]);
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ASSERT_TRUE(result[0] == L'\0');
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ASSERT_EQ(dest + 6, result);
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}
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