From c2e754829628d1e9b7a16b3389cfdace76950fdf Mon Sep 17 00:00:00 2001
From: misterg <misterg@google.com>
Date: Tue, 19 Sep 2017 16:54:40 -0400
Subject: Initial Commit

---
 absl/strings/internal/resize_uninitialized_test.cc | 68 ++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 absl/strings/internal/resize_uninitialized_test.cc

(limited to 'absl/strings/internal/resize_uninitialized_test.cc')

diff --git a/absl/strings/internal/resize_uninitialized_test.cc b/absl/strings/internal/resize_uninitialized_test.cc
new file mode 100644
index 00000000..ad282efc
--- /dev/null
+++ b/absl/strings/internal/resize_uninitialized_test.cc
@@ -0,0 +1,68 @@
+// Copyright 2017 The Abseil Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "absl/strings/internal/resize_uninitialized.h"
+
+#include "gtest/gtest.h"
+
+namespace {
+
+int resize_call_count = 0;
+
+struct resizable_string {
+  void resize(size_t) { resize_call_count += 1; }
+};
+
+int resize_uninitialized_call_count = 0;
+
+struct resize_uninitializable_string {
+  void resize(size_t) { resize_call_count += 1; }
+  void resize_uninitialized(size_t) { resize_uninitialized_call_count += 1; }
+};
+
+TEST(ResizeUninit, WithAndWithout) {
+  resize_call_count = 0;
+  resize_uninitialized_call_count = 0;
+  {
+    resizable_string rs;
+
+    EXPECT_EQ(resize_call_count, 0);
+    EXPECT_EQ(resize_uninitialized_call_count, 0);
+    EXPECT_FALSE(
+        absl::strings_internal::STLStringSupportsNontrashingResize(&rs));
+    EXPECT_EQ(resize_call_count, 0);
+    EXPECT_EQ(resize_uninitialized_call_count, 0);
+    absl::strings_internal::STLStringResizeUninitialized(&rs, 237);
+    EXPECT_EQ(resize_call_count, 1);
+    EXPECT_EQ(resize_uninitialized_call_count, 0);
+  }
+
+  resize_call_count = 0;
+  resize_uninitialized_call_count = 0;
+  {
+    resize_uninitializable_string rus;
+
+    EXPECT_EQ(resize_call_count, 0);
+    EXPECT_EQ(resize_uninitialized_call_count, 0);
+    EXPECT_TRUE(
+        absl::strings_internal::STLStringSupportsNontrashingResize(&rus));
+    EXPECT_EQ(resize_call_count, 0);
+    EXPECT_EQ(resize_uninitialized_call_count, 0);
+    absl::strings_internal::STLStringResizeUninitialized(&rus, 237);
+    EXPECT_EQ(resize_call_count, 0);
+    EXPECT_EQ(resize_uninitialized_call_count, 1);
+  }
+}
+
+}  // namespace
-- 
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