| //===-- Unittests for fwrite ----------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "src/__support/CPP/Array.h" |
| #include "src/stdio/FILE.h" |
| #include "src/stdio/fwrite.h" |
| #include "utils/UnitTest/Test.h" |
| |
| TEST(LlvmLibcStdio, FWriteBasic) { |
| struct StrcpyFile : __llvm_libc::FILE { |
| char *buf; |
| } f; |
| char array[6]; |
| f.buf = array; |
| f.write = +[](__llvm_libc::FILE *file, const char *ptr, size_t size) { |
| StrcpyFile *strcpyFile = static_cast<StrcpyFile *>(file); |
| for (size_t i = 0; i < size; ++i) |
| strcpyFile->buf[i] = ptr[i]; |
| return size; |
| }; |
| EXPECT_EQ(fwrite("hello", 1, 6, &f), 6UL); |
| EXPECT_STREQ(array, "hello"); |
| } |