1 // Copyright (c) 2012 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 "courgette/encoded_program.h" 6 7 #include "courgette/streams.h" 8 #include "testing/gtest/include/gtest/gtest.h" 9 10 TEST(EncodedProgramTest, Test) { 11 // 12 // Create a simple program with a few addresses and references and 13 // check that the bits produced are as expected. 14 // 15 courgette::EncodedProgram* program = new courgette::EncodedProgram(); 16 17 uint32 base = 0x00900000; 18 program->set_image_base(base); 19 20 EXPECT_TRUE(program->DefineRel32Label(5, 0)); // REL32 index 5 == base + 0 21 EXPECT_TRUE(program->DefineAbs32Label(7, 4)); // ABS32 index 7 == base + 4 22 program->EndLabels(); 23 24 EXPECT_TRUE(program->AddOrigin(0)); // Start at base. 25 EXPECT_TRUE(program->AddAbs32(7)); 26 EXPECT_TRUE(program->AddRel32(5)); 27 28 // Serialize and deserialize. 29 30 courgette::SinkStreamSet sinks; 31 EXPECT_TRUE(program->WriteTo(&sinks)); 32 delete program; 33 34 courgette::SinkStream sink; 35 bool can_collect = sinks.CopyTo(&sink); 36 EXPECT_TRUE(can_collect); 37 38 const void* buffer = sink.Buffer(); 39 size_t length = sink.Length(); 40 41 courgette::SourceStreamSet sources; 42 bool can_get_source_streams = sources.Init(buffer, length); 43 EXPECT_TRUE(can_get_source_streams); 44 45 courgette::EncodedProgram *encoded2 = new courgette::EncodedProgram(); 46 bool can_read = encoded2->ReadFrom(&sources); 47 EXPECT_TRUE(can_read); 48 49 // Finally, try to assemble. 50 courgette::SinkStream assembled; 51 bool can_assemble = encoded2->AssembleTo(&assembled); 52 EXPECT_TRUE(can_assemble); 53 delete encoded2; 54 55 const void* assembled_buffer = assembled.Buffer(); 56 size_t assembled_length = assembled.Length(); 57 58 EXPECT_EQ(8U, assembled_length); 59 60 static const uint8 golden[] = { 61 0x04, 0x00, 0x90, 0x00, // ABS32 to base + 4 62 0xF8, 0xFF, 0xFF, 0xFF // REL32 from next line to base + 2 63 }; 64 65 EXPECT_EQ(0, memcmp(assembled_buffer, golden, 8)); 66 } 67
