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mojo/public/cpp/bindings/tests/bounds_checker_unittest.cc

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 55112ed72a88bbcc97537136587795407402bb03..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 "gtest/gtest.h"
-#include "mojo/public/cpp/bindings/lib/bindings_serialization.h"
-#include "mojo/public/cpp/bindings/lib/bounds_checker.h"
-#include "mojo/public/cpp/system/handle.h"
-
-namespace mojo {
-namespace test {
-namespace {
-
-const void* ToPtr(uintptr_t ptr) {
-  return reinterpret_cast<const void*>(ptr);
-}
-
-#if defined(NDEBUG) && !defined(DCHECK_ALWAYS_ON)
-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