Revert r252366: [Support] Use GetTempDir to get the temporary dir path on Windows.

[oota-llvm.git] / unittests / ADT / HashingTest.cpp

diff --git a/unittests/ADT/HashingTest.cpp b/unittests/ADT/HashingTest.cpp
index 1b3d0617a5e3de55a1a524ed390ee6d59699e4cb..b28561bd01155a6cf00c96e775ef2577b42ed539 100644 (file)
--- a/unittests/ADT/HashingTest.cpp
+++ b/unittests/ADT/HashingTest.cpp
@@ -33,7 +33,6 @@ struct LargeTestInteger { uint64_t arr[8]; };
 struct NonPOD {
   uint64_t x, y;
   NonPOD(uint64_t x, uint64_t y) : x(x), y(y) {}
-  ~NonPOD() {}
   friend hash_code hash_value(const NonPOD &obj) {
     return hash_combine(obj.x, obj.y);
   }
@@ -41,7 +40,7 @@ struct NonPOD {
 
 namespace hashing {
 namespace detail {
-template <> struct is_hashable_data<LargeTestInteger> : true_type {};
+template <> struct is_hashable_data<LargeTestInteger> : std::true_type {};
 } // namespace detail
 } // namespace hashing
 
@@ -58,7 +57,7 @@ enum TestEnumeration {
 
 TEST(HashingTest, HashValueBasicTest) {
   int x = 42, y = 43, c = 'x';
-  void *p = 0;
+  void *p = nullptr;
   uint64_t i = 71;
   const unsigned ci = 71;
   volatile int vi = 71;
@@ -421,4 +420,29 @@ TEST(HashingTest, HashCombineBasicTest) {
             hash_combine(bigarr[0], l2, bigarr[9], l3, bigarr[18], bigarr[19]));
 }
 
+TEST(HashingTest, HashCombineArgs18) {
+  // This tests that we can pass in up to 18 args.
+#define CHECK_SAME(...)                                                        \
+  EXPECT_EQ(hash_combine(__VA_ARGS__), hash_combine(__VA_ARGS__))
+  CHECK_SAME(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18);
+  CHECK_SAME(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17);
+  CHECK_SAME(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16);
+  CHECK_SAME(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
+  CHECK_SAME(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14);
+  CHECK_SAME(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13);
+  CHECK_SAME(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12);
+  CHECK_SAME(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11);
+  CHECK_SAME(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
+  CHECK_SAME(1, 2, 3, 4, 5, 6, 7, 8, 9);
+  CHECK_SAME(1, 2, 3, 4, 5, 6, 7, 8);
+  CHECK_SAME(1, 2, 3, 4, 5, 6, 7);
+  CHECK_SAME(1, 2, 3, 4, 5, 6);
+  CHECK_SAME(1, 2, 3, 4, 5);
+  CHECK_SAME(1, 2, 3, 4);
+  CHECK_SAME(1, 2, 3);
+  CHECK_SAME(1, 2);
+  CHECK_SAME(1);
+#undef CHECK_SAME
+}
+
 }