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[sanitizer] Fix test to tolerate chmod not working as intended 

Attempts to fix a bot failure from
634da7a1c6 on an Android bot:
https://lab.llvm.org/buildbot#builders/77/builds/14339

It appears that the chmod is not making the directory unwritable as
expected on this system for some reason. Adopt an approach used in
compiler-rt/test/fuzzer/fuzzer-dirs.test for systems with
non-functioning chmod by including illegal characters in directory.
This commit is contained in:
Teresa Johnson 2022-02-13 08:39:59 -08:00
parent 06df1a2eff
commit 986afe8479
1 changed files with 8 additions and 6 deletions
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14
compiler-rt/test/sanitizer_common/TestCases/Posix/sanitizer_set_report_path_test.cpp
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@ -1,11 +1,13 @@
// Test __sanitizer_set_report_path and __sanitizer_get_report_path:
// RUN: rm -rf %t.report_path
// RUN: %clangxx -O2 %s -o %t
// RUN: %run %t | FileCheck %s
// RUN: %run %t %t | FileCheck %s
// Try again with a directory without write access.
// RUN: rm -rf %t.report_path && mkdir -p %t.report_path
// RUN: chmod u-w %t.report_path || true
// RUN: not %run %t 2>&1 | FileCheck %s --check-prefix=FAIL
// RUN: rm -rf %t.baddir && mkdir -p %t.baddir
// RUN: chmod u-w %t.baddir || true
// Use invalid characters in directory name in case chmod doesn't work as
// intended.
// RUN: not %run %t %t.baddir/?bad? 2>&1 | FileCheck %s --check-prefix=FAIL
#include <assert.h>
#include <sanitizer/common_interface_defs.h>
@ -16,11 +18,11 @@ volatile int *null = 0;
int main(int argc, char **argv) {
char buff[1000];
sprintf(buff, "%s.report_path/report", argv[0]);
sprintf(buff, "%s.report_path/report", argv[1]);
__sanitizer_set_report_path(buff);
assert(strncmp(buff, __sanitizer_get_report_path(), strlen(buff)) == 0);
printf("Path %s\n", __sanitizer_get_report_path());
}
// CHECK: Path {{.*}}Posix/Output/sanitizer_set_report_path_test.cpp.tmp.report_path/report.
// FAIL: ERROR: Can't open file: {{.*}}Posix/Output/sanitizer_set_report_path_test.cpp.tmp.report_path/report.
// FAIL: ERROR: Can't create directory: {{.*}}Posix/Output/sanitizer_set_report_path_test.cpp.tmp.baddir