[libc] Fix fprintf_test assuming specific errnos.

[michaelrj-google]

The patch #166382 fixed most of these, but missed the fprintf_test ones.

[llvmbot]

@llvm/pr-subscribers-libc

Author: Michael Jones (michaelrj-google)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/166479.diff

1 Files Affected:

• (modified) libc/test/src/stdio/fprintf_test.cpp (+2-2)

diff --git a/libc/test/src/stdio/fprintf_test.cpp b/libc/test/src/stdio/fprintf_test.cpp
index 1b35a09645939..2cea7f554ce38 100644
--- a/libc/test/src/stdio/fprintf_test.cpp
+++ b/libc/test/src/stdio/fprintf_test.cpp
@@ -83,7 +83,7 @@ TEST(LlvmLibcFPrintfTest, WriteToFile) {
   written =
       LIBC_NAMESPACE::fprintf(file, "Writing to a read only file should fail.");
   EXPECT_LT(written, 0);
-  ASSERT_ERRNO_EQ(EBADF);
+  ASSERT_ERRNO_FAILURE();
 
   ASSERT_EQ(printf_test::fclose(file), 0);
 }
@@ -100,7 +100,7 @@ TEST(LlvmLibcFPrintfTest, NullPtrCheck) {
   int ret =
       LIBC_NAMESPACE::fprintf(file, "hello %n", static_cast<int *>(nullptr));
   EXPECT_LT(ret, 0);
-  ASSERT_ERRNO_EQ(EINVAL);
+  ASSERT_ERRNO_FAILURE();
 
   ASSERT_EQ(printf_test::fclose(file), 0);
 }

[Kewen12]

Hi, our buildbot still failed at fprintftest. Could you please fix it? Thanks!

bot: https://lab.llvm.org/buildbot/#/builders/10/builds/16691

FAILED: libc/test/src/stdio/libc.test.src.stdio.fprintf_test.hermetic.cmd /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.build/runtimes/runtimes-amdgcn-amd-amdhsa-bins/libc/test/src/stdio/libc.test.src.stdio.fprintf_test.hermetic.cmd
cd /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.build/runtimes/runtimes-amdgcn-amd-amdhsa-bins/libc/test/src/stdio && /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.build/bin/amdhsa-loader /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.build/runtimes/runtimes-amdgcn-amd-amdhsa-bins/libc/test/src/stdio/libc.test.src.stdio.fprintf_test.hermetic.build
[==========] Running 2 tests from 1 test suite.
[ RUN ] LlvmLibcFPrintfTest.WriteToFile
/home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/libc/test/src/stdio/fprintf_test.cpp:86: FAILURE
Expected: 0
Which is: 0
To be not equal to: static_cast(libc_errno)
Which is: 0
[ FAILED ] LlvmLibcFPrintfTest.WriteToFile
[ RUN ] LlvmLibcFPrintfTest.NullPtrCheck
/home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/libc/test/src/stdio/fprintf_test.cpp:102: FAILURE
Expected: ret
Which is: 8
To be less than: 0
Which is: 0
/home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/libc/test/src/stdio/fprintf_test.cpp:103: FAILURE
Expected: 0
Which is: 0
To be not equal to: static_cast(libc_errno)
Which is: 0
[ FAILED ] LlvmLibcFPrintfTest.NullPtrCheck
Ran 2 tests. PASS: 0 FAIL: 2