From eb686c069f8a6aa87bd6f1ac344a330f361fe9ec Mon Sep 17 00:00:00 2001
From: Abseil Team <absl-team@google.com>
Date: Wed, 13 Jun 2018 11:44:15 -0700
Subject:   - b9a479321581cd0293f124041bf5c06f456afec1 Adds exception safety
 tests for absl::make_unique<T>(...) by Abseil Team <absl-team@google.com>   -
 78c61364007f6ab66155c151d0061bbec89c3dbd Update variadic visitation to use a
 switch statement when... by Matt Calabrese <calabrese@google.com>   -
 b62eb9546087e0001307a741fcdf023b2d156966 Merge GitHub PR #130 - Add MIPS
 support to GetProgramCoun... by Derek Mauro <dmauro@google.com>   -
 09ab5739de33c8f1bebab2bb70bf7d4331348f05 Update ABSL_ASSERT to silence
 clang-tidy warnings about c... by Matt Calabrese <calabrese@google.com>   -
 e73ee389ce8fe1a90738973c219ebbb19bb389f3 Update unary visitation to use a
 switch statement when th... by Matt Calabrese <calabrese@google.com>   -
 c8734ccf475b856c95220f21a5ec4f44302cb5ce Work around a MSVC bug for
 absl::variant, by making `Acce... by Xiaoyi Zhang <zhangxy@google.com>

GitOrigin-RevId: b9a479321581cd0293f124041bf5c06f456afec1
Change-Id: Idb6fc906087c0a4e6fc5c75a391c7f73101c613e
---
 absl/memory/BUILD.bazel                     | 14 +++++++++
 absl/memory/CMakeLists.txt                  | 19 +++++++++++
 absl/memory/memory_exception_safety_test.cc | 49 +++++++++++++++++++++++++++++
 3 files changed, 82 insertions(+)
 create mode 100644 absl/memory/memory_exception_safety_test.cc

(limited to 'absl/memory')

diff --git a/absl/memory/BUILD.bazel b/absl/memory/BUILD.bazel
index d5c6226..46f47b1 100644
--- a/absl/memory/BUILD.bazel
+++ b/absl/memory/BUILD.bazel
@@ -18,6 +18,7 @@ load(
     "//absl:copts.bzl",
     "ABSL_DEFAULT_COPTS",
     "ABSL_TEST_COPTS",
+    "ABSL_EXCEPTIONS_FLAG",
 )
 
 package(default_visibility = ["//visibility:public"])
@@ -45,3 +46,16 @@ cc_test(
         "@com_google_googletest//:gtest_main",
     ],
 )
+
+cc_test(
+    name = "memory_exception_safety_test",
+    srcs = [
+        "memory_exception_safety_test.cc",
+    ],
+    copts = ABSL_TEST_COPTS + ABSL_EXCEPTIONS_FLAG,
+    deps = [
+        ":memory",
+        "//absl/base:exception_safety_testing",
+        "@com_google_googletest//:gtest_main",
+    ],
+)
diff --git a/absl/memory/CMakeLists.txt b/absl/memory/CMakeLists.txt
index 21bfc87..5958f5c 100644
--- a/absl/memory/CMakeLists.txt
+++ b/absl/memory/CMakeLists.txt
@@ -49,4 +49,23 @@ absl_test(
 )
 
 
+# test memory_exception_safety_test
+set(MEMORY_EXCEPTION_SAFETY_TEST_SRC "memory_exception_safety_test.cc")
+set(MEMORY_EXCEPTION_SAFETY_TEST_PUBLIC_LIBRARIES
+  absl::memory
+  absl_base_internal_exception_safety_testing
+)
+
+absl_test(
+  TARGET
+    memory_exception_safety_test
+  SOURCES
+    ${MEMORY_EXCEPTION_SAFETY_TEST_SRC}
+  PUBLIC_LIBRARIES
+    ${MEMORY_EXCEPTION_SAFETY_TEST_PUBLIC_LIBRARIES}
+  PRIVATE_COMPILE_FLAGS
+    ${ABSL_EXCEPTIONS_FLAG}
+)
+
+
 
diff --git a/absl/memory/memory_exception_safety_test.cc b/absl/memory/memory_exception_safety_test.cc
new file mode 100644
index 0000000..55e8f36
--- /dev/null
+++ b/absl/memory/memory_exception_safety_test.cc
@@ -0,0 +1,49 @@
+// Copyright 2018 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/memory/memory.h"
+
+#include "gtest/gtest.h"
+#include "absl/base/internal/exception_safety_testing.h"
+
+namespace absl {
+namespace {
+
+using Thrower = ::testing::ThrowingValue<>;
+
+TEST(MakeUnique, CheckForLeaks) {
+  constexpr int kValue = 321;
+  constexpr size_t kLength = 10;
+  auto tester = testing::MakeExceptionSafetyTester()
+                    .WithInitialValue(Thrower(kValue))
+                    // Ensures make_unique does not modify the input. The real
+                    // test, though, is ConstructorTracker checking for leaks.
+                    .WithInvariants(testing::strong_guarantee);
+
+  EXPECT_TRUE(tester.Test([](Thrower* thrower) {
+    static_cast<void>(absl::make_unique<Thrower>(*thrower));
+  }));
+
+  EXPECT_TRUE(tester.Test([](Thrower* thrower) {
+    static_cast<void>(absl::make_unique<Thrower>(std::move(*thrower)));
+  }));
+
+  // Test T[n] overload
+  EXPECT_TRUE(tester.Test([&](Thrower*) {
+    static_cast<void>(absl::make_unique<Thrower[]>(kLength));
+  }));
+}
+
+}  // namespace
+}  // namespace absl
-- 
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