Added Testcases for Log

Author: hiteshsondhi88

FFmpegAndroid/build.gradle

@@ -62,6 +62,8 @@ dependencies {
         exclude module: 'wagon-http-lightweight'
         exclude module: 'wagon-provider-api'
     }
+
+    androidTestCompile 'com.squareup.assertj:assertj-android:1.0.0'
 }
 
 apply from: 'https://raw.github.com/chrisbanes/gradle-mvn-push/master/gradle-mvn-push.gradle'

FFmpegAndroid/src/androidTest/java/com/github/hiteshsondhi88/libffmpeg/AssertionHelper.java

@@ -0,0 +1,23 @@
+package com.github.hiteshsondhi88.libffmpeg;
+
+import static junit.framework.Assert.assertTrue;
+
+public class AssertionHelper {
+
+    public static void assertError(String message) {
+        assertTrue(message, false);
+    }
+
+    public static void assertError() {
+        assertError("");
+    }
+
+    public static void assertOK(String message) {
+        assertTrue(message, true);
+    }
+
+    public static void assertOK() {
+        assertOK("");
+    }
+
+}

FFmpegAndroid/src/androidTest/java/com/github/hiteshsondhi88/libffmpeg/CommonTestCase.java

@@ -0,0 +1,12 @@
+package com.github.hiteshsondhi88.libffmpeg;
+
+import junit.framework.TestCase;
+
+public class CommonTestCase extends TestCase {
+
+    public void setUp() throws Exception {
+        super.setUp();
+        Log.setDEBUG(true);
+    }
+
+}

FFmpegAndroid/src/androidTest/java/com/github/hiteshsondhi88/libffmpeg/LogTest.java

@@ -0,0 +1,116 @@
+package com.github.hiteshsondhi88.libffmpeg;
+
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+
+/**
+ * Trying Logging everything I can Log.java class should never throw any error
+ */
+@RunWith(RobolectricTestRunner.class)
+public class LogTest extends CommonTestCase {
+
+    private Object[] OBJECTS_TO_TEST = {null, "", "test string", 1, 1.00123, 2.45225747946181e-072};
+    private Throwable[] EXCEPTIONS_TO_TEST = {new Exception(), new Exception("Test exception"), new Exception("")};
+
+    public void testD() throws Exception {
+        printLog(new PrintLogInterface() {
+            @Override
+            public void print(Object obj) throws Exception {
+                Log.d(obj);
+            }
+
+            @Override
+            public void print(Throwable throwable) throws Exception {
+                Log.d(throwable);
+            }
+        });
+    }
+
+    public void testW() throws Exception {
+        printLog(new PrintLogInterface() {
+            @Override
+            public void print(Object obj) throws Exception {
+                Log.w(obj);
+            }
+
+            @Override
+            public void print(Throwable throwable) throws Exception {
+                Log.w(throwable);
+            }
+        });
+    }
+
+    public void testI() throws Exception {
+        printLog(new PrintLogInterface() {
+            @Override
+            public void print(Object obj) throws Exception {
+                Log.i(obj);
+            }
+
+            @Override
+            public void print(Throwable throwable) throws Exception {
+                Log.i(throwable);
+            }
+        });
+    }
+
+    public void testV() throws Exception {
+        printLog(new PrintLogInterface() {
+            @Override
+            public void print(Object obj) throws Exception {
+                Log.v(obj);
+            }
+
+            @Override
+            public void print(Throwable throwable) throws Exception {
+                Log.v(throwable);
+            }
+        });
+    }
+
+    public void testE() throws Exception {
+        printLog(new PrintLogInterface() {
+            @Override
+            public void print(Object obj) throws Exception {
+                Log.e(obj);
+            }
+
+            @Override
+            public void print(Throwable throwable) throws Exception {
+                Log.e(throwable);
+            }
+        });
+
+        for (Object obj : OBJECTS_TO_TEST) {
+            for (Throwable throwable : EXCEPTIONS_TO_TEST) {
+                try {
+                    Log.e(obj, throwable);
+                } catch (Exception e) {
+                    AssertionHelper.assertError("Logging failed for object "+obj+" and throwable "+throwable);
+                }
+            }
+        }
+    }
+
+    private void printLog(PrintLogInterface printLogInterface) {
+        for (Object obj : OBJECTS_TO_TEST) {
+            try {
+                printLogInterface.print(obj);
+            } catch (Exception e) {
+                AssertionHelper.assertError("Logging failed for object "+obj);
+            }
+        }
+        for (Throwable throwable : EXCEPTIONS_TO_TEST) {
+            try {
+                printLogInterface.print(throwable);
+            } catch (Exception e) {
+                AssertionHelper.assertError("Logging failed for throwable "+throwable);
+            }
+        }
+    }
+
+    private interface PrintLogInterface {
+        void print(Object obj) throws Exception;
+        void print(Throwable throwable) throws Exception;
+    }
+}

FFmpegAndroid/src/main/java/com/github/hiteshsondhi88/libffmpeg/Log.java

@@ -3,13 +3,17 @@
 @SuppressWarnings("unused")
 class Log {
 
-    private static final String TAG = FFmpeg.class.getSimpleName();
+    private static String TAG = FFmpeg.class.getSimpleName();
     private static boolean DEBUG = false;
 
     static void setDEBUG(boolean DEBUG) {
         Log.DEBUG = DEBUG;
     }
 
+    static void setTAG(String tag) {
+        Log.TAG = tag;
+    }
+
     static void d(Object obj) {
         if (DEBUG) {
             android.util.Log.d(TAG, obj != null ? obj.toString() : null+"");