Update to latest version of png crate

1 files changed, 6 insertions, 3 deletions

diff --git a/src/test.rs b/src/test.rs
index 2f4a1be..87bfc2a 100644
--- a/src/test.rs
+++ b/src/test.rs
@@ -22,10 +22,12 @@ impl core::fmt::Display for Flaw {
 
 const LARGE_BUF: Mutex<Vec<u8>> = Mutex::new(vec![]);
 fn test_bytes(bytes: &[u8]) -> Result<(), Flaw> {
-	let decoder = png::Decoder::new(bytes);
+	let decoder = png::Decoder::new(std::io::Cursor::new(bytes));
 	let mut is_valid = true;
-	if let Ok(mut reader) = decoder.read_info() {
-		let mut png_buf = vec![0; reader.output_buffer_size()];
+	if let Ok(mut reader) = decoder.read_info()
+		&& let Some(output_buffer_size) = reader.output_buffer_size()
+	{
+		let mut png_buf = vec![0; output_buffer_size];
 		if let Ok(png_header) = reader.next_frame(&mut png_buf) {
 			let png_bytes = &png_buf[..png_header.buffer_size()];
 
@@ -41,6 +43,7 @@ fn test_bytes(bytes: &[u8]) -> Result<(), Flaw> {
 			if png_bytes != mini_bytes {
 				return Err(Flaw::DecodedMismatch);
 			}
+			// test convert_to_rgba8bpc vs. png_decoder crate
 			let (_, mut data) = png_decoder::decode(bytes).unwrap();
 			if matches!(image.color_type(), ColorType::Gray | ColorType::Rgb) {
 				// pretend there's no tRNS chunk.