From 2a28157787fb5f029ce8c09cf65987187f7755a7 Mon Sep 17 00:00:00 2001
From: seven332 <seven332@163.com>
Date: Sun, 11 Oct 2020 01:50:36 +0800
Subject: [PATCH] Add test case for coder priority in SDAnimatedImage

---
 Tests/Tests/SDAnimatedImageTest.m | 41 +++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/Tests/Tests/SDAnimatedImageTest.m b/Tests/Tests/SDAnimatedImageTest.m
index 11936d2a..ce0c62c5 100644
--- a/Tests/Tests/SDAnimatedImageTest.m
+++ b/Tests/Tests/SDAnimatedImageTest.m
@@ -13,6 +13,41 @@
 
 static const NSUInteger kTestGIFFrameCount = 5; // local TestImage.gif loop count
 
+// Check whether the coder is called
+@interface SDImageAPNGTestCoder : SDImageAPNGCoder
+
+@property (nonatomic, class, assign) BOOL isCalled;
+
+@end
+
+@implementation SDImageAPNGTestCoder
+
+static BOOL _isCalled;
+
++ (BOOL)isCalled {
+    return _isCalled;
+}
+
++ (void)setIsCalled:(BOOL)isCalled {
+    _isCalled = isCalled;
+}
+
++ (instancetype)sharedCoder {
+    static SDImageAPNGTestCoder *coder;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        coder = [[SDImageAPNGTestCoder alloc] init];
+    });
+    return coder;
+}
+
+- (instancetype)initWithAnimatedImageData:(NSData *)data options:(SDImageCoderOptions *)options {
+    SDImageAPNGTestCoder.isCalled = YES;
+    return [super initWithAnimatedImageData:data options:options];
+}
+
+@end
+
 // Internal header
 @interface SDAnimatedImageView ()
 
@@ -561,6 +596,12 @@ static const NSUInteger kTestGIFFrameCount = 5; // local TestImage.gif loop coun
     [self waitForExpectationsWithCommonTimeout];
 }
 
+- (void)test30AnimatedImageCoderPriority {
+    [SDImageCodersManager.sharedManager addCoder:SDImageAPNGTestCoder.sharedCoder];
+    [SDAnimatedImage imageWithData:[self testAPNGPData]];
+    expect(SDImageAPNGTestCoder.isCalled).equal(YES);
+}
+
 #pragma mark - Helper
 - (UIWindow *)window {
     if (!_window) {