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-rw-r--r--tests/component/imgdiff_test.cpp80
1 files changed, 80 insertions, 0 deletions
diff --git a/tests/component/imgdiff_test.cpp b/tests/component/imgdiff_test.cpp
index 3711859de..7ad330783 100644
--- a/tests/component/imgdiff_test.cpp
+++ b/tests/component/imgdiff_test.cpp
@@ -404,6 +404,86 @@ TEST(ImgdiffTest, image_mode_spurious_magic) {
ASSERT_EQ(tgt, patched);
}
+TEST(ImgdiffTest, image_mode_short_input1) {
+ // src: "abcdefgh" + '0x1f8b0b'.
+ const std::vector<char> src_data = { 'a', 'b', 'c', 'd', 'e', 'f',
+ 'g', 'h', '\x1f', '\x8b', '\x08' };
+ const std::string src(src_data.cbegin(), src_data.cend());
+ TemporaryFile src_file;
+ ASSERT_TRUE(android::base::WriteStringToFile(src, src_file.path));
+
+ // tgt: "abcdefgxyz".
+ const std::vector<char> tgt_data = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'x', 'y', 'z' };
+ const std::string tgt(tgt_data.cbegin(), tgt_data.cend());
+ TemporaryFile tgt_file;
+ ASSERT_TRUE(android::base::WriteStringToFile(tgt, tgt_file.path));
+
+ TemporaryFile patch_file;
+ std::vector<const char*> args = {
+ "imgdiff", src_file.path, tgt_file.path, patch_file.path,
+ };
+ ASSERT_EQ(0, imgdiff(args.size(), args.data()));
+
+ // Verify.
+ std::string patch;
+ ASSERT_TRUE(android::base::ReadFileToString(patch_file.path, &patch));
+
+ // Expect one CHUNK_RAW (header) entry.
+ size_t num_normal;
+ size_t num_raw;
+ size_t num_deflate;
+ verify_patch_header(patch, &num_normal, &num_raw, &num_deflate);
+ ASSERT_EQ(0U, num_normal);
+ ASSERT_EQ(0U, num_deflate);
+ ASSERT_EQ(1U, num_raw);
+
+ std::string patched;
+ ASSERT_EQ(0, ApplyImagePatch(reinterpret_cast<const unsigned char*>(src.data()), src.size(),
+ reinterpret_cast<const unsigned char*>(patch.data()), patch.size(),
+ MemorySink, &patched));
+ ASSERT_EQ(tgt, patched);
+}
+
+TEST(ImgdiffTest, image_mode_short_input2) {
+ // src: "abcdefgh" + '0x1f8b0b00'.
+ const std::vector<char> src_data = { 'a', 'b', 'c', 'd', 'e', 'f',
+ 'g', 'h', '\x1f', '\x8b', '\x08', '\x00' };
+ const std::string src(src_data.cbegin(), src_data.cend());
+ TemporaryFile src_file;
+ ASSERT_TRUE(android::base::WriteStringToFile(src, src_file.path));
+
+ // tgt: "abcdefgxyz".
+ const std::vector<char> tgt_data = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'x', 'y', 'z' };
+ const std::string tgt(tgt_data.cbegin(), tgt_data.cend());
+ TemporaryFile tgt_file;
+ ASSERT_TRUE(android::base::WriteStringToFile(tgt, tgt_file.path));
+
+ TemporaryFile patch_file;
+ std::vector<const char*> args = {
+ "imgdiff", src_file.path, tgt_file.path, patch_file.path,
+ };
+ ASSERT_EQ(0, imgdiff(args.size(), args.data()));
+
+ // Verify.
+ std::string patch;
+ ASSERT_TRUE(android::base::ReadFileToString(patch_file.path, &patch));
+
+ // Expect one CHUNK_RAW (header) entry.
+ size_t num_normal;
+ size_t num_raw;
+ size_t num_deflate;
+ verify_patch_header(patch, &num_normal, &num_raw, &num_deflate);
+ ASSERT_EQ(0U, num_normal);
+ ASSERT_EQ(0U, num_deflate);
+ ASSERT_EQ(1U, num_raw);
+
+ std::string patched;
+ ASSERT_EQ(0, ApplyImagePatch(reinterpret_cast<const unsigned char*>(src.data()), src.size(),
+ reinterpret_cast<const unsigned char*>(patch.data()), patch.size(),
+ MemorySink, &patched));
+ ASSERT_EQ(tgt, patched);
+}
+
TEST(ImgdiffTest, image_mode_single_entry_long) {
// src: "abcdefgh" + '0x1f8b0b00' + some bytes.
const std::vector<char> src_data = { 'a', 'b', 'c', 'd', 'e', 'f', 'g',