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Unified Diff: third_party/crashpad/crashpad/util/numeric/in_range_cast_test.cc

Issue 1505213004: Copy Crashpad into the Chrome tree instead of importing it via DEPS (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Address review comments, update README.chromium Created 5 years ago
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Index: third_party/crashpad/crashpad/util/numeric/in_range_cast_test.cc
diff --git a/third_party/crashpad/crashpad/util/numeric/in_range_cast_test.cc b/third_party/crashpad/crashpad/util/numeric/in_range_cast_test.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d8882bc47a56e6554b3c6d4fc86643b47fde2557
--- /dev/null
+++ b/third_party/crashpad/crashpad/util/numeric/in_range_cast_test.cc
@@ -0,0 +1,124 @@
+// Copyright 2014 The Crashpad Authors. All rights reserved.
+//
+// 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 "util/numeric/in_range_cast.h"
+
+#include <stdint.h>
+
+#include <limits>
+
+#include "gtest/gtest.h"
+#include "util/misc/implicit_cast.h"
+
+namespace crashpad {
+namespace test {
+namespace {
+
+const int32_t kInt32Min = std::numeric_limits<int32_t>::min();
+const int64_t kInt64Min = std::numeric_limits<int64_t>::min();
+
+TEST(InRangeCast, Uint32) {
+ EXPECT_EQ(0u, InRangeCast<uint32_t>(0, 1));
+ EXPECT_EQ(1u, InRangeCast<uint32_t>(1, 1));
+ EXPECT_EQ(2u, InRangeCast<uint32_t>(2, 1));
+ EXPECT_EQ(0u, InRangeCast<uint32_t>(-1, 0));
+ EXPECT_EQ(1u, InRangeCast<uint32_t>(-1, 1));
+ EXPECT_EQ(2u, InRangeCast<uint32_t>(-1, 2));
+ EXPECT_EQ(0xffffffffu, InRangeCast<uint32_t>(0xffffffffu, 1));
+ EXPECT_EQ(0xffffffffu, InRangeCast<uint32_t>(UINT64_C(0xffffffff), 1));
+ EXPECT_EQ(1u, InRangeCast<uint32_t>(UINT64_C(0x100000000), 1));
+ EXPECT_EQ(1u, InRangeCast<uint32_t>(UINT64_C(0x100000001), 1));
+ EXPECT_EQ(1u, InRangeCast<uint32_t>(kInt32Min, 1));
+ EXPECT_EQ(1u, InRangeCast<uint32_t>(kInt64Min, 1));
+ EXPECT_EQ(0xffffffffu, InRangeCast<uint32_t>(-1, 0xffffffffu));
+}
+
+TEST(InRangeCast, Int32) {
+ EXPECT_EQ(0, InRangeCast<int32_t>(0, 1));
+ EXPECT_EQ(1, InRangeCast<int32_t>(1, 1));
+ EXPECT_EQ(2, InRangeCast<int32_t>(2, 1));
+ EXPECT_EQ(-1, InRangeCast<int32_t>(-1, 1));
+ EXPECT_EQ(0x7fffffff, InRangeCast<int32_t>(0x7fffffff, 1));
+ EXPECT_EQ(0x7fffffff, InRangeCast<int32_t>(0x7fffffffu, 1));
+ EXPECT_EQ(1, InRangeCast<int32_t>(0x80000000u, 1));
+ EXPECT_EQ(1, InRangeCast<int32_t>(0xffffffffu, 1));
+ EXPECT_EQ(1, InRangeCast<int32_t>(INT64_C(0x80000000), 1));
+ EXPECT_EQ(1, InRangeCast<int32_t>(INT64_C(0xffffffff), 1));
+ EXPECT_EQ(1, InRangeCast<int32_t>(INT64_C(0x100000000), 1));
+ EXPECT_EQ(kInt32Min, InRangeCast<int32_t>(kInt32Min, 1));
+ EXPECT_EQ(kInt32Min,
+ InRangeCast<int32_t>(implicit_cast<int64_t>(kInt32Min), 1));
+ EXPECT_EQ(1, InRangeCast<int32_t>(implicit_cast<int64_t>(kInt32Min) - 1, 1));
+ EXPECT_EQ(1, InRangeCast<int32_t>(kInt64Min, 1));
+ EXPECT_EQ(0, InRangeCast<int32_t>(0xffffffffu, 0));
+ EXPECT_EQ(-1, InRangeCast<int32_t>(0xffffffffu, -1));
+ EXPECT_EQ(kInt32Min, InRangeCast<int32_t>(0xffffffffu, kInt32Min));
+ EXPECT_EQ(0x7fffffff, InRangeCast<int32_t>(0xffffffffu, 0x7fffffff));
+}
+
+TEST(InRangeCast, Uint64) {
+ EXPECT_EQ(0u, InRangeCast<uint64_t>(0, 1));
+ EXPECT_EQ(1u, InRangeCast<uint64_t>(1, 1));
+ EXPECT_EQ(2u, InRangeCast<uint64_t>(2, 1));
+ EXPECT_EQ(0u, InRangeCast<uint64_t>(-1, 0));
+ EXPECT_EQ(1u, InRangeCast<uint64_t>(-1, 1));
+ EXPECT_EQ(2u, InRangeCast<uint64_t>(-1, 2));
+ EXPECT_EQ(0xffffffffu, InRangeCast<uint64_t>(0xffffffffu, 1));
+ EXPECT_EQ(0xffffffffu, InRangeCast<uint64_t>(UINT64_C(0xffffffff), 1));
+ EXPECT_EQ(UINT64_C(0x100000000),
+ InRangeCast<uint64_t>(UINT64_C(0x100000000), 1));
+ EXPECT_EQ(UINT64_C(0x100000001),
+ InRangeCast<uint64_t>(UINT64_C(0x100000001), 1));
+ EXPECT_EQ(1u, InRangeCast<uint64_t>(kInt32Min, 1));
+ EXPECT_EQ(1u, InRangeCast<uint64_t>(INT64_C(-1), 1));
+ EXPECT_EQ(1u, InRangeCast<uint64_t>(kInt64Min, 1));
+ EXPECT_EQ(UINT64_C(0xffffffffffffffff),
+ InRangeCast<uint64_t>(-1, UINT64_C(0xffffffffffffffff)));
+}
+
+TEST(InRangeCast, Int64) {
+ EXPECT_EQ(0, InRangeCast<int64_t>(0, 1));
+ EXPECT_EQ(1, InRangeCast<int64_t>(1, 1));
+ EXPECT_EQ(2, InRangeCast<int64_t>(2, 1));
+ EXPECT_EQ(-1, InRangeCast<int64_t>(-1, 1));
+ EXPECT_EQ(0x7fffffff, InRangeCast<int64_t>(0x7fffffff, 1));
+ EXPECT_EQ(0x7fffffff, InRangeCast<int64_t>(0x7fffffffu, 1));
+ EXPECT_EQ(INT64_C(0x80000000), InRangeCast<int64_t>(0x80000000u, 1));
+ EXPECT_EQ(INT64_C(0xffffffff), InRangeCast<int64_t>(0xffffffffu, 1));
+ EXPECT_EQ(INT64_C(0x80000000), InRangeCast<int64_t>(INT64_C(0x80000000), 1));
+ EXPECT_EQ(INT64_C(0xffffffff), InRangeCast<int64_t>(INT64_C(0xffffffff), 1));
+ EXPECT_EQ(INT64_C(0x100000000),
+ InRangeCast<int64_t>(INT64_C(0x100000000), 1));
+ EXPECT_EQ(INT64_C(0x7fffffffffffffff),
+ InRangeCast<int64_t>(INT64_C(0x7fffffffffffffff), 1));
+ EXPECT_EQ(INT64_C(0x7fffffffffffffff),
+ InRangeCast<int64_t>(UINT64_C(0x7fffffffffffffff), 1));
+ EXPECT_EQ(1, InRangeCast<int64_t>(UINT64_C(0x8000000000000000), 1));
+ EXPECT_EQ(1, InRangeCast<int64_t>(UINT64_C(0xffffffffffffffff), 1));
+ EXPECT_EQ(kInt32Min, InRangeCast<int64_t>(kInt32Min, 1));
+ EXPECT_EQ(kInt32Min,
+ InRangeCast<int64_t>(implicit_cast<int64_t>(kInt32Min), 1));
+ EXPECT_EQ(kInt64Min, InRangeCast<int64_t>(kInt64Min, 1));
+ EXPECT_EQ(0, InRangeCast<int64_t>(UINT64_C(0xffffffffffffffff), 0));
+ EXPECT_EQ(-1, InRangeCast<int64_t>(UINT64_C(0xffffffffffffffff), -1));
+ EXPECT_EQ(kInt64Min,
+ InRangeCast<int64_t>(UINT64_C(0xffffffffffffffff), kInt64Min));
+ EXPECT_EQ(INT64_C(0x7fffffffffffffff),
+ InRangeCast<int64_t>(UINT64_C(0xffffffffffffffff),
+ INT64_C(0x7fffffffffffffff)));
+}
+
+} // namespace
+} // namespace test
+} // namespace crashpad

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