| // Copyright (c) 2011 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 "ppapi/tests/test_buffer.h" |
| |
| #include <stdint.h> |
| |
| #include "ppapi/c/dev/ppb_buffer_dev.h" |
| #include "ppapi/cpp/dev/buffer_dev.h" |
| #include "ppapi/cpp/graphics_2d.h" |
| #include "ppapi/cpp/instance.h" |
| #include "ppapi/cpp/module.h" |
| #include "ppapi/tests/testing_instance.h" |
| |
| REGISTER_TEST_CASE(Buffer); |
| |
| bool TestBuffer::Init() { |
| buffer_interface_ = static_cast<const PPB_Buffer_Dev*>( |
| pp::Module::Get()->GetBrowserInterface(PPB_BUFFER_DEV_INTERFACE)); |
| return !!buffer_interface_; |
| } |
| |
| void TestBuffer::RunTests(const std::string& filter) { |
| RUN_TEST(InvalidSize, filter); |
| RUN_TEST(InitToZero, filter); |
| RUN_TEST(IsBuffer, filter); |
| RUN_TEST(BasicLifeCycle, filter); |
| } |
| |
| std::string TestBuffer::TestInvalidSize() { |
| pp::Buffer_Dev zero_size(instance_, 0); |
| if (!zero_size.is_null()) |
| return "Zero size accepted"; |
| |
| PASS(); |
| } |
| |
| std::string TestBuffer::TestInitToZero() { |
| pp::Buffer_Dev buffer(instance_, 100); |
| if (buffer.is_null()) |
| return "Could not create buffer"; |
| |
| if (buffer.size() != 100) |
| return "Buffer size not as expected"; |
| |
| // Now check that everything is 0. |
| unsigned char* bytes = static_cast<unsigned char *>(buffer.data()); |
| for (uint32_t index = 0; index < buffer.size(); index++) { |
| if (bytes[index] != 0) |
| return "Buffer isn't entirely zero"; |
| } |
| |
| PASS(); |
| } |
| |
| std::string TestBuffer::TestIsBuffer() { |
| // Test that a NULL resource isn't a buffer. |
| pp::Resource null_resource; |
| if (buffer_interface_->IsBuffer(null_resource.pp_resource())) |
| return "Null resource was reported as a valid buffer"; |
| |
| // Make another resource type and test it. |
| const int w = 16, h = 16; |
| pp::Graphics2D device(instance_, pp::Size(w, h), true); |
| if (device.is_null()) |
| return "Couldn't create device context"; |
| if (buffer_interface_->IsBuffer(device.pp_resource())) |
| return "Device context was reported as a buffer"; |
| |
| // Make a valid buffer. |
| pp::Buffer_Dev buffer(instance_, 100); |
| if (buffer.is_null()) |
| return "Couldn't create buffer"; |
| if (!buffer_interface_->IsBuffer(buffer.pp_resource())) |
| return "Buffer should be identified as a buffer"; |
| |
| PASS(); |
| } |
| |
| std::string TestBuffer::TestBasicLifeCycle() { |
| enum { kBufferSize = 100 }; |
| |
| pp::Buffer_Dev *buffer = new pp::Buffer_Dev(instance_, kBufferSize); |
| if (buffer->is_null() || |
| !buffer_interface_->IsBuffer(buffer->pp_resource()) || |
| buffer->size() != kBufferSize) { |
| return "Error creating buffer (earlier test should have failed)"; |
| } |
| |
| // Test that the buffer got created & mapped. |
| if (buffer->data() == NULL) |
| return "Failed to Map() buffer"; |
| |
| // Test that the buffer is writeable. |
| char* data = static_cast<char*>(buffer->data()); |
| for (int i = 0; i < kBufferSize; ++i) |
| data[i] = 'X'; |
| |
| // Implicitly test that the copy constructor doesn't cause a double-unmap on |
| // delete. |
| pp::Buffer_Dev* copy = new pp::Buffer_Dev(*buffer); |
| |
| // Implicitly test that destroying the buffer doesn't encounter a fatal error |
| // in Unmap. |
| delete buffer; |
| |
| // Test that we can still write to copy's copy of the data. |
| char* copy_data = static_cast<char*>(copy->data()); |
| for (int i = 0; i < kBufferSize; ++i) |
| copy_data[i] = 'Y'; |
| |
| delete copy; |
| |
| PASS(); |
| } |