Vendor things

third-party/vendor/image/tests/save_jpeg.rs

@@ -0,0 +1,30 @@
+//! Test saving "default" and specific quality jpeg.
+#![cfg(all(feature = "jpeg", feature = "tiff"))]
+extern crate image;
+
+use image::{ImageFormat, ImageOutputFormat};
+use std::io::Cursor;
+
+#[test]
+fn jqeg_qualitys() {
+    let img = image::open("tests/images/tiff/testsuite/mandrill.tiff").unwrap();
+
+    let mut default = vec![];
+    img.write_to(&mut Cursor::new(&mut default), ImageFormat::Jpeg)
+        .unwrap();
+    assert_eq!(&[255, 216], &default[..2]);
+
+    let mut small = vec![];
+    img.write_to(&mut Cursor::new(&mut small), ImageOutputFormat::Jpeg(10))
+        .unwrap();
+    assert_eq!(&[255, 216], &small[..2]);
+
+    assert!(small.len() < default.len());
+
+    let mut large = vec![];
+    img.write_to(&mut Cursor::new(&mut large), ImageOutputFormat::Jpeg(99))
+        .unwrap();
+    assert_eq!(&[255, 216], &large[..2]);
+
+    assert!(large.len() > default.len());
+}