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Unified Diff: mojo/public/cpp/bindings/tests/bounds_checker_unittest.cc

Issue 814543006: Move //mojo/{public, edk} underneath //third_party (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase Created 5 years, 11 months ago
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Index: mojo/public/cpp/bindings/tests/bounds_checker_unittest.cc
diff --git a/mojo/public/cpp/bindings/tests/bounds_checker_unittest.cc b/mojo/public/cpp/bindings/tests/bounds_checker_unittest.cc
deleted file mode 100644
index 1cd961873e5c0348e974d7073dbefd48bd8cb3a9..0000000000000000000000000000000000000000
--- a/mojo/public/cpp/bindings/tests/bounds_checker_unittest.cc
+++ /dev/null
@@ -1,209 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include <limits>
-
-#include "mojo/public/cpp/bindings/lib/bindings_serialization.h"
-#include "mojo/public/cpp/bindings/lib/bounds_checker.h"
-#include "mojo/public/cpp/system/core.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace mojo {
-namespace test {
-namespace {
-
-const void* ToPtr(uintptr_t ptr) {
- return reinterpret_cast<const void*>(ptr);
-}
-
-#ifdef NDEBUG
-TEST(BoundsCheckerTest, ConstructorRangeOverflow) {
- {
- // Test memory range overflow.
- internal::BoundsChecker checker(
- ToPtr(std::numeric_limits<uintptr_t>::max() - 3000), 5000, 0);
-
- EXPECT_FALSE(checker.IsValidRange(
- ToPtr(std::numeric_limits<uintptr_t>::max() - 3000), 1));
- EXPECT_FALSE(checker.ClaimMemory(
- ToPtr(std::numeric_limits<uintptr_t>::max() - 3000), 1));
- }
-
- if (sizeof(size_t) > sizeof(uint32_t)) {
- // Test handle index range overflow.
- size_t num_handles =
- static_cast<size_t>(std::numeric_limits<uint32_t>::max()) + 5;
- internal::BoundsChecker checker(ToPtr(0), 0, num_handles);
-
- EXPECT_FALSE(checker.ClaimHandle(Handle(0)));
- EXPECT_FALSE(
- checker.ClaimHandle(Handle(std::numeric_limits<uint32_t>::max() - 1)));
-
- EXPECT_TRUE(
- checker.ClaimHandle(Handle(internal::kEncodedInvalidHandleValue)));
- }
-}
-#endif
-
-TEST(BoundsCheckerTest, IsValidRange) {
- {
- internal::BoundsChecker checker(ToPtr(1234), 100, 0);
-
- // Basics.
- EXPECT_FALSE(checker.IsValidRange(ToPtr(100), 5));
- EXPECT_FALSE(checker.IsValidRange(ToPtr(1230), 50));
- EXPECT_TRUE(checker.IsValidRange(ToPtr(1234), 5));
- EXPECT_TRUE(checker.IsValidRange(ToPtr(1240), 50));
- EXPECT_TRUE(checker.IsValidRange(ToPtr(1234), 100));
- EXPECT_FALSE(checker.IsValidRange(ToPtr(1234), 101));
- EXPECT_FALSE(checker.IsValidRange(ToPtr(1240), 100));
- EXPECT_FALSE(checker.IsValidRange(ToPtr(1333), 5));
- EXPECT_FALSE(checker.IsValidRange(ToPtr(2234), 5));
-
- // ClaimMemory() updates the valid range.
- EXPECT_TRUE(checker.ClaimMemory(ToPtr(1254), 10));
-
- EXPECT_FALSE(checker.IsValidRange(ToPtr(1234), 1));
- EXPECT_FALSE(checker.IsValidRange(ToPtr(1254), 10));
- EXPECT_FALSE(checker.IsValidRange(ToPtr(1263), 1));
- EXPECT_FALSE(checker.IsValidRange(ToPtr(1263), 10));
- EXPECT_TRUE(checker.IsValidRange(ToPtr(1264), 10));
- EXPECT_TRUE(checker.IsValidRange(ToPtr(1264), 70));
- EXPECT_FALSE(checker.IsValidRange(ToPtr(1264), 71));
- }
-
- {
- internal::BoundsChecker checker(ToPtr(1234), 100, 0);
- // Should return false for empty ranges.
- EXPECT_FALSE(checker.IsValidRange(ToPtr(0), 0));
- EXPECT_FALSE(checker.IsValidRange(ToPtr(1200), 0));
- EXPECT_FALSE(checker.IsValidRange(ToPtr(1234), 0));
- EXPECT_FALSE(checker.IsValidRange(ToPtr(1240), 0));
- EXPECT_FALSE(checker.IsValidRange(ToPtr(2234), 0));
- }
-
- {
- // The valid memory range is empty.
- internal::BoundsChecker checker(ToPtr(1234), 0, 0);
-
- EXPECT_FALSE(checker.IsValidRange(ToPtr(1234), 1));
- EXPECT_FALSE(checker.IsValidRange(ToPtr(1234), 0));
- }
-
- {
- internal::BoundsChecker checker(
- ToPtr(std::numeric_limits<uintptr_t>::max() - 2000), 1000, 0);
-
- // Test overflow.
- EXPECT_FALSE(checker.IsValidRange(
- ToPtr(std::numeric_limits<uintptr_t>::max() - 1500), 4000));
- EXPECT_FALSE(checker.IsValidRange(
- ToPtr(std::numeric_limits<uintptr_t>::max() - 1500),
- std::numeric_limits<uint32_t>::max()));
-
- // This should be fine.
- EXPECT_TRUE(checker.IsValidRange(
- ToPtr(std::numeric_limits<uintptr_t>::max() - 1500), 200));
- }
-}
-
-TEST(BoundsCheckerTest, ClaimHandle) {
- {
- internal::BoundsChecker checker(ToPtr(0), 0, 10);
-
- // Basics.
- EXPECT_TRUE(checker.ClaimHandle(Handle(0)));
- EXPECT_FALSE(checker.ClaimHandle(Handle(0)));
-
- EXPECT_TRUE(checker.ClaimHandle(Handle(9)));
- EXPECT_FALSE(checker.ClaimHandle(Handle(10)));
-
- // Should fail because it is smaller than the max index that has been
- // claimed.
- EXPECT_FALSE(checker.ClaimHandle(Handle(8)));
-
- // Should return true for invalid handle.
- EXPECT_TRUE(
- checker.ClaimHandle(Handle(internal::kEncodedInvalidHandleValue)));
- EXPECT_TRUE(
- checker.ClaimHandle(Handle(internal::kEncodedInvalidHandleValue)));
- }
-
- {
- // No handle to claim.
- internal::BoundsChecker checker(ToPtr(0), 0, 0);
-
- EXPECT_FALSE(checker.ClaimHandle(Handle(0)));
-
- // Should still return true for invalid handle.
- EXPECT_TRUE(
- checker.ClaimHandle(Handle(internal::kEncodedInvalidHandleValue)));
- }
-
- {
- // Test the case that |num_handles| is the same value as
- // |internal::kEncodedInvalidHandleValue|.
- EXPECT_EQ(internal::kEncodedInvalidHandleValue,
- std::numeric_limits<uint32_t>::max());
- internal::BoundsChecker checker(
- ToPtr(0), 0, std::numeric_limits<uint32_t>::max());
-
- EXPECT_TRUE(
- checker.ClaimHandle(Handle(std::numeric_limits<uint32_t>::max() - 1)));
- EXPECT_FALSE(
- checker.ClaimHandle(Handle(std::numeric_limits<uint32_t>::max() - 1)));
- EXPECT_FALSE(checker.ClaimHandle(Handle(0)));
-
- // Should still return true for invalid handle.
- EXPECT_TRUE(
- checker.ClaimHandle(Handle(internal::kEncodedInvalidHandleValue)));
- }
-}
-
-TEST(BoundsCheckerTest, ClaimMemory) {
- {
- internal::BoundsChecker checker(ToPtr(1000), 2000, 0);
-
- // Basics.
- EXPECT_FALSE(checker.ClaimMemory(ToPtr(500), 100));
- EXPECT_FALSE(checker.ClaimMemory(ToPtr(800), 300));
- EXPECT_TRUE(checker.ClaimMemory(ToPtr(1000), 100));
- EXPECT_FALSE(checker.ClaimMemory(ToPtr(1099), 100));
- EXPECT_TRUE(checker.ClaimMemory(ToPtr(1100), 200));
- EXPECT_FALSE(checker.ClaimMemory(ToPtr(2000), 1001));
- EXPECT_TRUE(checker.ClaimMemory(ToPtr(2000), 500));
- EXPECT_FALSE(checker.ClaimMemory(ToPtr(2000), 500));
- EXPECT_FALSE(checker.ClaimMemory(ToPtr(1400), 100));
- EXPECT_FALSE(checker.ClaimMemory(ToPtr(3000), 1));
- EXPECT_TRUE(checker.ClaimMemory(ToPtr(2500), 500));
- }
-
- {
- // No memory to claim.
- internal::BoundsChecker checker(ToPtr(10000), 0, 0);
-
- EXPECT_FALSE(checker.ClaimMemory(ToPtr(10000), 1));
- EXPECT_FALSE(checker.ClaimMemory(ToPtr(10000), 0));
- }
-
- {
- internal::BoundsChecker checker(
- ToPtr(std::numeric_limits<uintptr_t>::max() - 1000), 500, 0);
-
- // Test overflow.
- EXPECT_FALSE(checker.ClaimMemory(
- ToPtr(std::numeric_limits<uintptr_t>::max() - 750), 4000));
- EXPECT_FALSE(
- checker.ClaimMemory(ToPtr(std::numeric_limits<uintptr_t>::max() - 750),
- std::numeric_limits<uint32_t>::max()));
-
- // This should be fine.
- EXPECT_TRUE(checker.ClaimMemory(
- ToPtr(std::numeric_limits<uintptr_t>::max() - 750), 200));
- }
-}
-
-} // namespace
-} // namespace test
-} // namespace mojo
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