From ab0bf875a5f328a6710f4e48258979ae1bc8da1c Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 16 Apr 2017 16:02:53 +0000
Subject: Vendor import of compiler-rt trunk r300422:
 https://llvm.org/svn/llvm-project/compiler-rt/trunk@300422

---
 test/scudo/interface.cpp | 47 +++++++++++++++++++++++++++++++++--------------
 1 file changed, 33 insertions(+), 14 deletions(-)

(limited to 'test/scudo/interface.cpp')

diff --git a/test/scudo/interface.cpp b/test/scudo/interface.cpp
index f9353066efa37..e9575adf31008 100644
--- a/test/scudo/interface.cpp
+++ b/test/scudo/interface.cpp
@@ -1,9 +1,13 @@
-// RUN: %clang_scudo %s -o %t
-// RUN: %run %t 2>&1
+// RUN: %clang_scudo %s -lstdc++ -o %t
+// RUN: %run %t ownership          2>&1
+// RUN: %run %t ownership-and-size 2>&1
+// RUN: %run %t heap-size          2>&1
 
 // Tests that the sanitizer interface functions behave appropriately.
 
 #include <stdlib.h>
+#include <assert.h>
+#include <string.h>
 
 #include <vector>
 
@@ -11,18 +15,33 @@
 
 int main(int argc, char **argv)
 {
-  void *p;
-  std::vector<ssize_t> sizes{1, 8, 16, 32, 1024, 32768,
-    1 << 16, 1 << 17, 1 << 20, 1 << 24};
-  for (size_t size : sizes) {
-    p = malloc(size);
-    if (!p)
-      return 1;
-    if (!__sanitizer_get_ownership(p))
-      return 1;
-    if (__sanitizer_get_allocated_size(p) < size)
-      return 1;
-    free(p);
+  assert(argc == 2);
+
+  if (!strcmp(argv[1], "ownership")) {
+    // Ensures that __sanitizer_get_ownership can be called before any other
+    // allocator function, and that it behaves properly on a pointer not owned
+    // by us.
+    assert(!__sanitizer_get_ownership(argv));
+  }
+  if (!strcmp(argv[1], "ownership-and-size")) {
+    // Tests that __sanitizer_get_ownership and __sanitizer_get_allocated_size
+    // behave properly on chunks allocated by the Primary and Secondary.
+    void *p;
+    std::vector<ssize_t> sizes{1, 8, 16, 32, 1024, 32768,
+      1 << 16, 1 << 17, 1 << 20, 1 << 24};
+    for (size_t size : sizes) {
+      p = malloc(size);
+      assert(p);
+      assert(__sanitizer_get_ownership(p));
+      assert(__sanitizer_get_allocated_size(p) >= size);
+      free(p);
+    }
   }
+  if (!strcmp(argv[1], "heap-size")) {
+    // Ensures that __sanitizer_get_heap_size can be called before any other
+    // allocator function.
+    assert(__sanitizer_get_heap_size() >= 0);
+  }
+
   return 0;
 }
-- 
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