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-rw-r--r--vendor/jpeg-decoder/tests/lib.rs155
1 files changed, 155 insertions, 0 deletions
diff --git a/vendor/jpeg-decoder/tests/lib.rs b/vendor/jpeg-decoder/tests/lib.rs
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+++ b/vendor/jpeg-decoder/tests/lib.rs
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+extern crate jpeg_decoder as jpeg;
+extern crate png;
+extern crate walkdir;
+
+use std::path::Path;
+use std::fs::File;
+
+mod common;
+mod crashtest;
+mod reftest;
+
+#[test]
+#[wasm_bindgen_test::wasm_bindgen_test]
+fn included_file() {
+ const FILE: &[u8] = include_bytes!(concat!(env!("CARGO_MANIFEST_DIR"), "/tests/reftest/images/mozilla/jpg-progressive.jpg"));
+
+ let mut data = FILE;
+ let mut decoder = jpeg::Decoder::new(&mut data);
+ let ref_data = decoder.decode().unwrap();
+ let ref_info = decoder.info().unwrap();
+
+ let mut data = FILE;
+ decoder = jpeg::Decoder::new(&mut data);
+ decoder.read_info().unwrap();
+ let info = decoder.info().unwrap();
+ let data = decoder.decode().unwrap();
+
+ assert_eq!(info, decoder.info().unwrap());
+ assert_eq!(info, ref_info);
+ assert_eq!(data, ref_data);
+}
+
+#[test]
+fn read_info() {
+ let path = Path::new("tests").join("reftest").join("images").join("mozilla").join("jpg-progressive.jpg");
+
+ let mut decoder = jpeg::Decoder::new(File::open(&path).unwrap());
+ let ref_data = decoder.decode().unwrap();
+ let ref_info = decoder.info().unwrap();
+
+ decoder = jpeg::Decoder::new(File::open(&path).unwrap());
+ decoder.read_info().unwrap();
+ let info = decoder.info().unwrap();
+ let data = decoder.decode().unwrap();
+
+ assert_eq!(info, decoder.info().unwrap());
+ assert_eq!(info, ref_info);
+ assert_eq!(data, ref_data);
+}
+
+#[test]
+fn read_icc_profile() {
+ let path = Path::new("tests")
+ .join("reftest")
+ .join("images")
+ .join("mozilla")
+ .join("jpg-srgb-icc.jpg");
+
+ let mut decoder = jpeg::Decoder::new(File::open(&path).unwrap());
+ decoder.decode().unwrap();
+
+ let profile = decoder.icc_profile().unwrap();
+ // "acsp" is a mandatory string in ICC profile headers.
+ assert_eq!(&profile[36..40], b"acsp");
+}
+
+// Test if chunks are concatenated in the correct order
+#[test]
+fn read_icc_profile_random_order() {
+ let path = Path::new("tests")
+ .join("icc")
+ .join("icc_chunk_order.jpeg");
+
+ let mut decoder = jpeg::Decoder::new(File::open(&path).unwrap());
+ decoder.decode().unwrap();
+
+ let profile = decoder.icc_profile().unwrap();
+
+ assert_eq!(profile.len(), 254);
+
+ for i in 1..=254 {
+ assert_eq!(profile[i - 1], i as u8);
+ }
+}
+
+// Check if ICC profiles with invalid chunk number 0 are discarded
+#[test]
+fn read_icc_profile_seq_no_0() {
+ let path = Path::new("tests")
+ .join("icc")
+ .join("icc_chunk_seq_no_0.jpeg");
+
+ let mut decoder = jpeg::Decoder::new(File::open(&path).unwrap());
+ decoder.decode().unwrap();
+
+ let profile = decoder.icc_profile();
+ assert!(profile.is_none());
+}
+
+// Check if ICC profiles with multiple chunks with the same number are discarded
+#[test]
+fn read_icc_profile_double_seq_no() {
+ let path = Path::new("tests")
+ .join("icc")
+ .join("icc_chunk_double_seq_no.jpeg");
+
+ let mut decoder = jpeg::Decoder::new(File::open(&path).unwrap());
+ decoder.decode().unwrap();
+
+ let profile = decoder.icc_profile();
+ assert!(profile.is_none());
+}
+
+// Check if ICC profiles with mismatching number of chunks and total chunk count are discarded
+#[test]
+fn read_icc_profile_chunk_count_mismatch() {
+ let path = Path::new("tests")
+ .join("icc")
+ .join("icc_chunk_count_mismatch.jpeg");
+
+ let mut decoder = jpeg::Decoder::new(File::open(&path).unwrap());
+ decoder.decode().unwrap();
+
+ let profile = decoder.icc_profile();
+ assert!(profile.is_none());
+}
+
+// Check if ICC profiles with missing chunk are discarded
+#[test]
+fn read_icc_profile_missing_chunk() {
+ let path = Path::new("tests")
+ .join("icc")
+ .join("icc_missing_chunk.jpeg");
+
+ let mut decoder = jpeg::Decoder::new(File::open(&path).unwrap());
+ decoder.decode().unwrap();
+
+ let profile = decoder.icc_profile();
+ assert!(profile.is_none());
+}
+
+#[test]
+fn read_exif_data() {
+ let path = Path::new("tests")
+ .join("reftest")
+ .join("images")
+ .join("ycck.jpg");
+
+ let mut decoder = jpeg::Decoder::new(File::open(&path).unwrap());
+ decoder.decode().unwrap();
+
+ let exif_data = decoder.exif_data().unwrap();
+ // exif data start as a TIFF header
+ assert_eq!(&exif_data[0..8], b"\x49\x49\x2A\x00\x08\x00\x00\x00");
+}