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Unified Diff: mojo/public/bindings/tests/buffer_unittest.cc

Issue 218883013: Mojo: Move public/bindings/tests/*.cc to public/cpp/bindings/tests/. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 6 years, 9 months ago
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Index: mojo/public/bindings/tests/buffer_unittest.cc
diff --git a/mojo/public/bindings/tests/buffer_unittest.cc b/mojo/public/bindings/tests/buffer_unittest.cc
deleted file mode 100644
index 49753e1a27d576a2f1a77b4296fd6cf8f1a5172d..0000000000000000000000000000000000000000
--- a/mojo/public/bindings/tests/buffer_unittest.cc
+++ /dev/null
@@ -1,136 +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/buffer.h"
-#include "mojo/public/cpp/bindings/lib/bindings_serialization.h"
-#include "mojo/public/cpp/bindings/lib/fixed_buffer.h"
-#include "mojo/public/cpp/bindings/lib/scratch_buffer.h"
-#include "mojo/public/cpp/environment/environment.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace mojo {
-namespace test {
-namespace {
-
-bool IsZero(void* p_buf, size_t size) {
- char* buf = reinterpret_cast<char*>(p_buf);
- for (size_t i = 0; i < size; ++i) {
- if (buf[i] != 0)
- return false;
- }
- return true;
-}
-
-// Tests small and large allocations in ScratchBuffer.
-TEST(ScratchBufferTest, Basic) {
- Environment env;
-
- // Test that a small allocation is placed on the stack.
- internal::ScratchBuffer buf;
- void* small = buf.Allocate(10);
- EXPECT_TRUE(small >= &buf && small < (&buf + sizeof(buf)));
- EXPECT_TRUE(IsZero(small, 10));
-
- // Large allocations won't be on the stack.
- void* large = buf.Allocate(100*1024);
- EXPECT_TRUE(IsZero(large, 100*1024));
- EXPECT_FALSE(large >= &buf && large < (&buf + sizeof(buf)));
-
- // But another small allocation should be back on the stack.
- small = buf.Allocate(10);
- EXPECT_TRUE(IsZero(small, 10));
- EXPECT_TRUE(small >= &buf && small < (&buf + sizeof(buf)));
-}
-
-// Tests that Buffer::current() returns the correct value.
-TEST(ScratchBufferTest, Stacked) {
- Environment env;
-
- EXPECT_FALSE(Buffer::current());
-
- {
- internal::ScratchBuffer a;
- EXPECT_EQ(&a, Buffer::current());
-
- {
- internal::ScratchBuffer b;
- EXPECT_EQ(&b, Buffer::current());
- }
- }
-
- EXPECT_FALSE(Buffer::current());
-}
-
-// Tests that FixedBuffer allocates memory aligned to 8 byte boundaries.
-TEST(FixedBufferTest, Alignment) {
- Environment env;
-
- internal::FixedBuffer buf(internal::Align(10) * 2);
- ASSERT_EQ(buf.size(), 16u * 2);
-
- void* a = buf.Allocate(10);
- ASSERT_TRUE(a);
- EXPECT_TRUE(IsZero(a, 10));
- EXPECT_EQ(0, reinterpret_cast<ptrdiff_t>(a) % 8);
-
- void* b = buf.Allocate(10);
- ASSERT_TRUE(b);
- EXPECT_TRUE(IsZero(b, 10));
- EXPECT_EQ(0, reinterpret_cast<ptrdiff_t>(b) % 8);
-
- // Any more allocations would result in an assert, but we can't test that.
-}
-
-// Tests that FixedBuffer::Leak passes ownership to the caller.
-TEST(FixedBufferTest, Leak) {
- Environment env;
-
- void* ptr = NULL;
- void* buf_ptr = NULL;
- {
- internal::FixedBuffer buf(8);
- ASSERT_EQ(8u, buf.size());
-
- ptr = buf.Allocate(8);
- ASSERT_TRUE(ptr);
- void* buf_ptr = buf.Leak();
-
- // The buffer should point to the first element allocated.
- // TODO(mpcomplete): Is this a reasonable expectation?
- EXPECT_EQ(ptr, buf_ptr);
-
- // The FixedBuffer should be empty now.
- EXPECT_EQ(0u, buf.size());
- EXPECT_FALSE(buf.Leak());
- }
-
- // Since we called Leak, ptr is still writable after FixedBuffer went out of
- // scope.
- memset(ptr, 1, 8);
- free(buf_ptr);
-}
-
-#ifdef NDEBUG
-TEST(FixedBufferTest, TooBig) {
- Environment env;
-
- internal::FixedBuffer buf(24);
-
- // A little bit too large.
- EXPECT_EQ(reinterpret_cast<void*>(0), buf.Allocate(32));
-
- // Move the cursor forward.
- EXPECT_NE(reinterpret_cast<void*>(0), buf.Allocate(16));
-
- // A lot too large, leading to possible integer overflow.
- EXPECT_EQ(reinterpret_cast<void*>(0),
- buf.Allocate(std::numeric_limits<size_t>::max() - 8u));
-}
-#endif
-
-} // namespace
-} // namespace test
-} // namespace mojo
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