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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "mojo/public/cpp/bindings/allocation_scope.h" | |
| 6 #include "mojo/public/cpp/bindings/array.h" | |
| 7 #include "mojo/public/cpp/bindings/lib/fixed_buffer.h" | |
| 8 #include "mojo/public/cpp/bindings/lib/scratch_buffer.h" | |
| 9 #include "mojo/public/cpp/environment/environment.h" | |
| 10 #include "testing/gtest/include/gtest/gtest.h" | |
| 11 | |
| 12 namespace mojo { | |
| 13 namespace test { | |
| 14 namespace { | |
| 15 | |
| 16 // Tests that basic Array operations work. | |
| 17 TEST(ArrayTest, Basic) { | |
| 18 Environment env; | |
| 19 | |
| 20 // 8 bytes for the array, with 8 bytes left over for elements. | |
| 21 internal::FixedBuffer buf(8 + 8*sizeof(char)); | |
| 22 EXPECT_EQ(16u, buf.size()); | |
| 23 | |
| 24 Array<char>::Builder builder(8); | |
| 25 EXPECT_EQ(8u, builder.size()); | |
| 26 for (size_t i = 0; i < builder.size(); ++i) { | |
| 27 char val = static_cast<char>(i*2); | |
| 28 builder[i] = val; | |
| 29 EXPECT_EQ(val, builder.at(i)); | |
| 30 } | |
| 31 Array<char> array = builder.Finish(); | |
| 32 for (size_t i = 0; i < array.size(); ++i) { | |
| 33 char val = static_cast<char>(i) * 2; | |
| 34 EXPECT_EQ(val, array[i]); | |
| 35 } | |
| 36 } | |
| 37 | |
| 38 // Tests that basic Array<bool> operations work, and that it's packed into 1 | |
| 39 // bit per element. | |
| 40 TEST(ArrayTest, Bool) { | |
| 41 Environment env; | |
| 42 | |
| 43 // 8 bytes for the array header, with 8 bytes left over for elements. | |
| 44 internal::FixedBuffer buf(8 + 3); | |
| 45 EXPECT_EQ(16u, buf.size()); | |
| 46 | |
| 47 // An array of 64 bools can fit into 8 bytes. | |
| 48 Array<bool>::Builder builder(64); | |
| 49 EXPECT_EQ(64u, builder.size()); | |
| 50 for (size_t i = 0; i < builder.size(); ++i) { | |
| 51 bool val = i % 3 == 0; | |
| 52 builder[i] = val; | |
| 53 EXPECT_EQ(val, builder.at(i)); | |
| 54 } | |
| 55 Array<bool> array = builder.Finish(); | |
| 56 for (size_t i = 0; i < array.size(); ++i) { | |
| 57 bool val = i % 3 == 0; | |
| 58 EXPECT_EQ(val, array[i]); | |
| 59 } | |
| 60 } | |
| 61 | |
| 62 // Tests that Array<Handle> supports transferring handles. | |
| 63 TEST(ArrayTest, Handle) { | |
| 64 Environment env; | |
| 65 | |
| 66 AllocationScope scope; | |
| 67 | |
| 68 ScopedMessagePipeHandle pipe0, pipe1; | |
| 69 CreateMessagePipe(&pipe0, &pipe1); | |
| 70 | |
| 71 Array<MessagePipeHandle>::Builder handles_builder(2); | |
| 72 handles_builder[0] = pipe0.Pass(); | |
| 73 handles_builder[1].reset(pipe1.release()); | |
| 74 | |
| 75 EXPECT_FALSE(pipe0.is_valid()); | |
| 76 EXPECT_FALSE(pipe1.is_valid()); | |
| 77 | |
| 78 Array<MessagePipeHandle> handles = handles_builder.Finish(); | |
| 79 EXPECT_TRUE(handles[0].is_valid()); | |
| 80 EXPECT_TRUE(handles[1].is_valid()); | |
| 81 | |
| 82 pipe0 = handles[0].Pass(); | |
| 83 EXPECT_TRUE(pipe0.is_valid()); | |
| 84 EXPECT_FALSE(handles[0].is_valid()); | |
| 85 } | |
| 86 | |
| 87 } // namespace | |
| 88 } // namespace test | |
| 89 } // namespace mojo | |
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