namespace relocation_packer {
TEST(Leb128, Encoder) {
- std::vector<uint32_t> values;
- values.push_back(624485u);
- values.push_back(0u);
- values.push_back(1u);
- values.push_back(127u);
- values.push_back(128u);
+ std::vector<ELF::Xword> values;
+ values.push_back(624485);
+ values.push_back(0);
+ values.push_back(1);
+ values.push_back(127);
+ values.push_back(128);
Leb128Encoder encoder;
encoder.EnqueueAll(values);
+ encoder.Enqueue(4294967295);
+ encoder.Enqueue(18446744073709551615ul);
+
std::vector<uint8_t> encoding;
encoder.GetEncoding(&encoding);
- EXPECT_EQ(8u, encoding.size());
+ EXPECT_EQ(23, encoding.size());
// 624485
EXPECT_EQ(0xe5, encoding[0]);
EXPECT_EQ(0x8e, encoding[1]);
// 128
EXPECT_EQ(0x80, encoding[6]);
EXPECT_EQ(0x01, encoding[7]);
-
- encoder.Enqueue(4294967295u);
-
- encoding.clear();
- encoder.GetEncoding(&encoding);
-
- EXPECT_EQ(13u, encoding.size());
// 4294967295
EXPECT_EQ(0xff, encoding[8]);
EXPECT_EQ(0xff, encoding[9]);
EXPECT_EQ(0xff, encoding[10]);
EXPECT_EQ(0xff, encoding[11]);
EXPECT_EQ(0x0f, encoding[12]);
+ // 18446744073709551615
+ EXPECT_EQ(0xff, encoding[13]);
+ EXPECT_EQ(0xff, encoding[14]);
+ EXPECT_EQ(0xff, encoding[15]);
+ EXPECT_EQ(0xff, encoding[16]);
+ EXPECT_EQ(0xff, encoding[17]);
+ EXPECT_EQ(0xff, encoding[18]);
+ EXPECT_EQ(0xff, encoding[19]);
+ EXPECT_EQ(0xff, encoding[20]);
+ EXPECT_EQ(0xff, encoding[21]);
+ EXPECT_EQ(0x01, encoding[22]);
}
TEST(Leb128, Decoder) {
encoding.push_back(0xff);
encoding.push_back(0xff);
encoding.push_back(0x0f);
+ // 18446744073709551615
+ encoding.push_back(0xff);
+ encoding.push_back(0xff);
+ encoding.push_back(0xff);
+ encoding.push_back(0xff);
+ encoding.push_back(0xff);
+ encoding.push_back(0xff);
+ encoding.push_back(0xff);
+ encoding.push_back(0xff);
+ encoding.push_back(0xff);
+ encoding.push_back(0x01);
Leb128Decoder decoder(encoding);
- EXPECT_EQ(624485u, decoder.Dequeue());
+ EXPECT_EQ(624485, decoder.Dequeue());
- std::vector<uint32_t> dequeued;
+ std::vector<ELF::Xword> dequeued;
decoder.DequeueAll(&dequeued);
- EXPECT_EQ(5u, dequeued.size());
- EXPECT_EQ(0u, dequeued[0]);
- EXPECT_EQ(1u, dequeued[1]);
- EXPECT_EQ(127u, dequeued[2]);
- EXPECT_EQ(128u, dequeued[3]);
- EXPECT_EQ(4294967295u, dequeued[4]);
+ EXPECT_EQ(6, dequeued.size());
+ EXPECT_EQ(0, dequeued[0]);
+ EXPECT_EQ(1, dequeued[1]);
+ EXPECT_EQ(127, dequeued[2]);
+ EXPECT_EQ(128, dequeued[3]);
+ EXPECT_EQ(4294967295, dequeued[4]);
+ EXPECT_EQ(18446744073709551615ul, dequeued[5]);
}
} // namespace relocation_packer