1 files changed, 30 insertions, 0 deletions
diff --git a/compiler-rt/lib/sanitizer_common/tests/sanitizer_linux_test.cc b/compiler-rt/lib/sanitizer_common/tests/sanitizer_linux_test.cc
index eef71010afe..92d495e10b4 100644
--- a/compiler-rt/lib/sanitizer_common/tests/sanitizer_linux_test.cc
+++ b/compiler-rt/lib/sanitizer_common/tests/sanitizer_linux_test.cc
@@ -263,6 +263,36 @@ TEST(SanitizerLinux, ThreadSelfTest) {
 }
 #endif
 
+TEST(SanitizerCommon, StartSubprocessTest) {
+  int pipe_fds[2];
+  ASSERT_EQ(0, pipe(pipe_fds));
+  const char *argv[] = {"/bin/sh", "-c", "echo -n 'hello'"};
+  int pid = StartSubprocess("/bin/sh", const_cast<char **>(&argv[0]),
+                            kInvalidFd /* stdin */, pipe_fds[1] /* stdout */);
+  ASSERT_GT(pid, 0);
+
+  // wait for process to finish.
+  while (IsProcessRunning(pid)) {
+  }
+  ASSERT_FALSE(IsProcessRunning(pid));
+
+  char buffer[256];
+  {
+    char *ptr = buffer;
+    uptr bytes_read;
+    while (ReadFromFile(pipe_fds[0], ptr, 256, &bytes_read)) {
+      if (!bytes_read) {
+        break;
+      }
+      ptr += bytes_read;
+    }
+    ASSERT_EQ(5, ptr - buffer);
+    *ptr = 0;
+  }
+  ASSERT_EQ(0, strcmp(buffer, "hello")) << "Buffer: " << buffer;
+  internal_close(pipe_fds[0]);
+}
+
 }  // namespace __sanitizer
 
 #endif  // SANITIZER_LINUX