| // Copyright (c) 2012 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 "courgette/encoded_program.h" |
| |
| #include "courgette/streams.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| TEST(EncodedProgramTest, Test) { |
| // |
| // Create a simple program with a few addresses and references and |
| // check that the bits produced are as expected. |
| // |
| courgette::EncodedProgram* program = new courgette::EncodedProgram(); |
| |
| uint32 base = 0x00900000; |
| program->set_image_base(base); |
| |
| EXPECT_TRUE(program->DefineRel32Label(5, 0)); // REL32 index 5 == base + 0 |
| EXPECT_TRUE(program->DefineAbs32Label(7, 4)); // ABS32 index 7 == base + 4 |
| program->EndLabels(); |
| |
| EXPECT_TRUE(program->AddOrigin(0)); // Start at base. |
| EXPECT_TRUE(program->AddAbs32(7)); |
| EXPECT_TRUE(program->AddRel32(5)); |
| |
| // Serialize and deserialize. |
| |
| courgette::SinkStreamSet sinks; |
| EXPECT_TRUE(program->WriteTo(&sinks)); |
| delete program; |
| |
| courgette::SinkStream sink; |
| bool can_collect = sinks.CopyTo(&sink); |
| EXPECT_TRUE(can_collect); |
| |
| const void* buffer = sink.Buffer(); |
| size_t length = sink.Length(); |
| |
| courgette::SourceStreamSet sources; |
| bool can_get_source_streams = sources.Init(buffer, length); |
| EXPECT_TRUE(can_get_source_streams); |
| |
| courgette::EncodedProgram *encoded2 = new courgette::EncodedProgram(); |
| bool can_read = encoded2->ReadFrom(&sources); |
| EXPECT_TRUE(can_read); |
| |
| // Finally, try to assemble. |
| courgette::SinkStream assembled; |
| bool can_assemble = encoded2->AssembleTo(&assembled); |
| EXPECT_TRUE(can_assemble); |
| delete encoded2; |
| |
| const void* assembled_buffer = assembled.Buffer(); |
| size_t assembled_length = assembled.Length(); |
| |
| EXPECT_EQ(8U, assembled_length); |
| |
| static const uint8 golden[] = { |
| 0x04, 0x00, 0x90, 0x00, // ABS32 to base + 4 |
| 0xF8, 0xFF, 0xFF, 0xFF // REL32 from next line to base + 2 |
| }; |
| |
| EXPECT_EQ(0, memcmp(assembled_buffer, golden, 8)); |
| } |