runBlocking in test

Ignore warnings

apng_library/src/androidTest/java/oupson/apng/ApngDecoderInstrumentedTest.kt

@@ -5,6 +5,7 @@ import android.graphics.drawable.AnimationDrawable
 import android.graphics.drawable.BitmapDrawable
 import androidx.test.platform.app.InstrumentationRegistry
 import junit.framework.TestCase
+import kotlinx.coroutines.runBlocking
 import org.junit.Test
 import oupson.apng.Utils.Companion.areBitmapSimilar
 import oupson.apng.Utils.Companion.getFrame
@@ -16,11 +17,13 @@ class ApngDecoderInstrumentedTest {
     fun testBtmConfigDecoding() {
         val context = InstrumentationRegistry.getInstrumentation().context
         val input = context.assets.open("sushi.png")
-        val anim = ApngDecoder.decodeApng(
+        val anim = runBlocking {
+            ApngDecoder.decodeApng(
                 context,
                 input,
                 ApngDecoder.Config(bitmapConfig = Bitmap.Config.RGB_565)
             ) as AnimationDrawable
+        }
 
         for (i in 0 until anim.numberOfFrames) {
             TestCase.assertTrue((anim.getFrame(i) as BitmapDrawable).bitmap.config == Bitmap.Config.RGB_565)
@@ -33,11 +36,13 @@ class ApngDecoderInstrumentedTest {
         val list = context.assets.list("bunny")?.map { getFrame(context, "bunny/$it") }!!
 
         val input = context.assets.open("bugbuckbunny.png")
-        val anim = ApngDecoder.decodeApng(
+        val anim = runBlocking {
+            ApngDecoder.decodeApng(
                 context,
                 input,
                 ApngDecoder.Config(bitmapConfig = Bitmap.Config.ARGB_8888, decodeCoverFrame = true)
             ) as ApngDrawable
+        }
 
         TestCase.assertTrue(areBitmapSimilar(list[0], anim.coverFrame!!))
         for (i in 0 until anim.numberOfFrames) {

apng_library/src/androidTest/java/oupson/apng/ApngEncoderInstrumentedTest.kt

@@ -5,6 +5,7 @@ import android.graphics.drawable.BitmapDrawable
 import androidx.test.platform.app.InstrumentationRegistry
 import junit.framework.TestCase.assertFalse
 import junit.framework.TestCase.assertTrue
+import kotlinx.coroutines.runBlocking
 import org.junit.Test
 import oupson.apng.Utils.Companion.areBitmapSimilar
 import oupson.apng.Utils.Companion.getFrame
@@ -57,7 +58,8 @@ class ApngEncoderInstrumentedTest {
         val list = context.assets.list("ball")?.map { getFrame(context, "ball/$it") }!!
 
         val optimisedOutputStream = ByteArrayOutputStream()
-        val optimisedEncoder = ApngEncoder(optimisedOutputStream, list[0].width, list[0].height, list.size)
+        val optimisedEncoder =
+            ApngEncoder(optimisedOutputStream, list[0].width, list[0].height, list.size)
                 .setOptimiseApng(true)
 
         list.forEach {
@@ -70,8 +72,14 @@ class ApngEncoderInstrumentedTest {
         val bytes = optimisedOutputStream.toByteArray()
         val optimisedInputStream = ByteArrayInputStream(bytes)
 
+
         val optimisedApng =
-            ApngDecoder.decodeApng(context, optimisedInputStream) as AnimationDrawable
+            runBlocking {
+                ApngDecoder.decodeApng(
+                    context,
+                    optimisedInputStream
+                ) as AnimationDrawable
+            }
 
         optimisedInputStream.close()
 
@@ -86,7 +94,8 @@ class ApngEncoderInstrumentedTest {
 
         val nonOptimisedOutputStream = ByteArrayOutputStream()
 
-        val nonOptimisedEncoder = ApngEncoder(nonOptimisedOutputStream, list[0].width, list[0].height, list.size)
+        val nonOptimisedEncoder =
+            ApngEncoder(nonOptimisedOutputStream, list[0].width, list[0].height, list.size)
                 .setOptimiseApng(false)
 
         list.forEach {
@@ -101,7 +110,12 @@ class ApngEncoderInstrumentedTest {
         val nonOptimisedInputStream = ByteArrayInputStream(nonOptimisedBytes)
 
         val nonOptimisedApng =
-            ApngDecoder.decodeApng(context, nonOptimisedInputStream) as AnimationDrawable
+            runBlocking {
+                ApngDecoder.decodeApng(
+                    context,
+                    nonOptimisedInputStream
+                ) as AnimationDrawable
+            }
         nonOptimisedInputStream.close()
 
         for (i in 0 until optimisedApng.numberOfFrames) {
@@ -120,7 +134,8 @@ class ApngEncoderInstrumentedTest {
         val list = context.assets.list("bunny")?.map { getFrame(context, "bunny/$it") }!!
 
         val optimisedOutputStream = ByteArrayOutputStream()
-        val optimisedEncoder = ApngEncoder(optimisedOutputStream, list[0].width, list[0].height, list.size)
+        val optimisedEncoder =
+            ApngEncoder(optimisedOutputStream, list[0].width, list[0].height, list.size)
                 .setOptimiseApng(true)
 
         list.forEach {
@@ -134,7 +149,12 @@ class ApngEncoderInstrumentedTest {
         val optimisedInputStream = ByteArrayInputStream(bytes)
 
         val optimisedApng =
-            ApngDecoder.decodeApng(context, optimisedInputStream) as AnimationDrawable
+            runBlocking {
+                ApngDecoder.decodeApng(
+                    context,
+                    optimisedInputStream
+                ) as AnimationDrawable
+            }
 
         optimisedInputStream.close()
 
@@ -149,7 +169,8 @@ class ApngEncoderInstrumentedTest {
 
         val nonOptimisedOutputStream = ByteArrayOutputStream()
 
-        val nonOptimisedEncoder = ApngEncoder(nonOptimisedOutputStream, list[0].width, list[0].height, list.size)
+        val nonOptimisedEncoder =
+            ApngEncoder(nonOptimisedOutputStream, list[0].width, list[0].height, list.size)
                 .setOptimiseApng(false)
 
         list.forEach {
@@ -164,7 +185,12 @@ class ApngEncoderInstrumentedTest {
         val nonOptimisedInputStream = ByteArrayInputStream(nonOptimisedBytes)
 
         val nonOptimisedApng =
-            ApngDecoder.decodeApng(context, nonOptimisedInputStream) as AnimationDrawable
+            runBlocking {
+                ApngDecoder.decodeApng(
+                    context,
+                    nonOptimisedInputStream
+                ) as AnimationDrawable
+            }
         nonOptimisedInputStream.close()
 
         for (i in 0 until optimisedApng.numberOfFrames) {

apng_library/src/main/java/oupson/apng/decoder/ApngDecoder.kt

@@ -64,6 +64,7 @@ class ApngDecoder {
         fun isDecodingCoverFrame(): Boolean {
             return this.decodeCoverFrame
         }
+
         fun setIsDecodingCoverFrame(decodeCoverFrame: Boolean): Config {
             this.decodeCoverFrame = decodeCoverFrame
             return this
@@ -91,7 +92,10 @@ class ApngDecoder {
          * @return [ApngDrawable] if successful and an [AnimatedImageDrawable] if the image decoded is not an APNG but a gif. If it is not an animated image, it is a [Drawable].
          */
         // TODO DOCUMENT CONFIG
-        @Suppress("MemberVisibilityCanBePrivate")
+        @Suppress(
+            "MemberVisibilityCanBePrivate",
+            "BlockingMethodInNonBlockingContext"
+        ) // BlockingMethodInNonBlockingContext is a warning generated by java @Throws
         @JvmStatic
         @JvmOverloads
         suspend fun decodeApng(
@@ -564,7 +568,7 @@ class ApngDecoder {
          * @param config Decoder configuration
          * @return [ApngDrawable] if successful and an [AnimatedImageDrawable] if the image decoded is not an APNG but a gif. If it is not an animated image, it is a [Drawable].
          */
-        @Suppress("unused")
+        @Suppress("unused", "BlockingMethodInNonBlockingContext")
         @JvmStatic
         // TODO DOCUMENT
         suspend fun decodeApng(
@@ -574,7 +578,7 @@ class ApngDecoder {
         ): Drawable =
             decodeApng(
                 context,
-                FileInputStream(file), config
+                withContext(Dispatchers.IO) { FileInputStream(file) }, config
             )
 
         /**
@@ -649,7 +653,7 @@ class ApngDecoder {
          * @param callback [ApngDecoder.Callback] to handle success and error.
          * @param config Decoder configuration
          */
-        @Suppress("unused")
+        @Suppress("unused", "BlockingMethodInNonBlockingContext")
         @JvmStatic
         @JvmOverloads
         fun decodeApngAsyncInto(
@@ -781,7 +785,7 @@ class ApngDecoder {
          * @param callback [ApngDecoder.Callback] to handle success and error.
          * @param config Decoder configuration
          */
-        @Suppress("unused")
+        @Suppress("unused", "BlockingMethodInNonBlockingContext")
         @JvmStatic
         @JvmOverloads
         fun decodeApngAsyncInto(
@@ -877,7 +881,7 @@ class ApngDecoder {
                         }
                     } else {
                         withContext(Dispatchers.Main) {
-                            callback?.onError(java.lang.Exception("Cannot open string"))
+                            callback?.onError(Exception("Cannot open string"))
                         }
                     }
                 } catch (e: Exception) {