Skip test when using miniz

shssoichiro · Jan 22, 2019 · 851b454 · 851b454
1 parent 7ad93ed
commit 851b454
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Showing 4 changed files with 16 additions and 5 deletions.
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/Cargo.toml b/Cargo.toml
@@ -49,7 +49,7 @@ optional = true
 version = "2.0.0"
 
 [target.'cfg(any(target_arch = "x86_64", target_arch = "aarch64"))'.dependencies]
-cloudflare-zlib = "^0.2.0"
+cloudflare-zlib = "^0.2.2"
 
 [dependencies.image]
 default-features = false

diff --git a/src/deflate/mod.rs b/src/deflate/mod.rs
@@ -9,7 +9,14 @@ use PngResult;
 pub mod miniz_stream;
 
 #[cfg(any(target_arch = "x86_64", target_arch = "aarch64"))]
-mod cfzlib;
+pub mod cfzlib;
+
+#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
+mod cfzlib {
+    pub fn is_supported() -> bool {
+        return false;
+    }
+}
 
 /// Decompress a data stream using the DEFLATE algorithm
 pub fn inflate(data: &[u8]) -> PngResult<Vec<u8>> {

diff --git a/tests/interlaced.rs b/tests/interlaced.rs
@@ -444,6 +444,10 @@ fn interlaced_palette_8_should_be_palette_8() {
 
 #[test]
 fn interlaced_palette_8_should_be_palette_4() {
+    // miniz doesn't estimate compression that well
+    if !oxipng::internal_tests::cfzlib::is_supported() {
+        return;
+    }
     test_it_converts(
         "tests/files/interlaced_palette_8_should_be_palette_4.png",
         ColorType::Indexed,