compiler-rt: Rename cc files below test/asan to cpp

See r367803 and similar other changes.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@367887 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 41 insertions, 0 deletions

diff --git a/test/asan/TestCases/Posix/coverage-fork.cpp b/test/asan/TestCases/Posix/coverage-fork.cpp
new file mode 100644
index 000000000..22d2e3584
--- /dev/null
+++ b/test/asan/TestCases/Posix/coverage-fork.cpp
@@ -0,0 +1,41 @@
+// RUN: %clangxx_asan -fsanitize-coverage=func,trace-pc-guard %s -o %t
+// RUN: rm -rf %t-dir
+// RUN: mkdir -p %t-dir && cd %t-dir
+// RUN: %env_asan_opts=coverage=1:verbosity=1 %run %t 2>&1 | FileCheck %s
+//
+// UNSUPPORTED: android
+//
+// Ideally a forked-subprocess should only report it's own coverage,
+// not parent's one. But trace-pc-guard currently does nothing special for fork,
+// and thus this test is relaxed.
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+__attribute__((noinline))
+void foo() { printf("foo\n"); }
+
+__attribute__((noinline))
+void bar() { printf("bar\n"); }
+
+__attribute__((noinline))
+void baz() { printf("baz\n"); }
+
+int main(int argc, char **argv) {
+  pid_t child_pid = fork();
+  if (child_pid == 0) {
+    fprintf(stderr, "Child PID: %d\n", getpid());
+    baz();
+  } else {
+    fprintf(stderr, "Parent PID: %d\n", getpid());
+    foo();
+    bar();
+  }
+  return 0;
+}
+
+// CHECK-DAG: Child PID: [[ChildPID:[0-9]+]]
+// CHECK-DAG: [[ChildPID]].sancov: {{.*}} PCs written
+// CHECK-DAG: Parent PID: [[ParentPID:[0-9]+]]
+// CHECK-DAG: [[ParentPID]].sancov: 3 PCs written