Rewind after pause feature

The playback is rewinded X seconds after the pause and resume. The
rewind duration depends on time that elapsed between the pause and
resume.

1 files changed, 51 insertions, 0 deletions

diff --git a/app/src/androidTest/java/de/test/antennapod/util/RewindAfterPauseUtilTest.java b/app/src/androidTest/java/de/test/antennapod/util/RewindAfterPauseUtilTest.java
new file mode 100644
index 000000000..445d659ac
--- /dev/null
+++ b/app/src/androidTest/java/de/test/antennapod/util/RewindAfterPauseUtilTest.java
@@ -0,0 +1,51 @@
+package de.test.antennapod.util;
+
+import junit.framework.*;
+
+import de.danoeh.antennapod.core.util.*;
+
+/**
+ * Tests for {@link RewindAfterPauseUtils}.
+ */
+public class RewindAfterPauseUtilTest extends TestCase {
+
+    public void testCalculatePositionWithRewindNoRewind() {
+        final int ORIGINAL_POSITION = 10000;
+        long lastPlayed = System.currentTimeMillis();
+        int position = RewindAfterPauseUtils.calculatePositionWithRewind(ORIGINAL_POSITION, lastPlayed);
+
+        assertEquals(ORIGINAL_POSITION, position);
+    }
+
+    public void testCalculatePositionWithRewindSmallRewind() {
+        final int ORIGINAL_POSITION = 10000;
+        long lastPlayed = System.currentTimeMillis() - RewindAfterPauseUtils.ELAPSED_TIME_FOR_SHORT_REWIND - 1000;
+        int position = RewindAfterPauseUtils.calculatePositionWithRewind(ORIGINAL_POSITION, lastPlayed);
+
+        assertEquals(ORIGINAL_POSITION - RewindAfterPauseUtils.SHORT_REWIND, position);
+    }
+
+    public void testCalculatePositionWithRewindMediumRewind() {
+        final int ORIGINAL_POSITION = 10000;
+        long lastPlayed = System.currentTimeMillis() - RewindAfterPauseUtils.ELAPSED_TIME_FOR_MEDIUM_REWIND - 1000;
+        int position = RewindAfterPauseUtils.calculatePositionWithRewind(ORIGINAL_POSITION, lastPlayed);
+
+        assertEquals(ORIGINAL_POSITION - RewindAfterPauseUtils.MEDIUM_REWIND, position);
+    }
+
+    public void testCalculatePositionWithRewindLongRewind() {
+        final int ORIGINAL_POSITION = 10000;
+        long lastPlayed = System.currentTimeMillis() - RewindAfterPauseUtils.ELAPSED_TIME_FOR_LONG_REWIND - 1000;
+        int position = RewindAfterPauseUtils.calculatePositionWithRewind(ORIGINAL_POSITION, lastPlayed);
+
+        assertEquals(ORIGINAL_POSITION - RewindAfterPauseUtils.LONG_REWIND, position);
+    }
+
+    public void testCalculatePositionWithRewindNegativeNumber() {
+        final int ORIGINAL_POSITION = 100;
+        long lastPlayed = System.currentTimeMillis() - RewindAfterPauseUtils.ELAPSED_TIME_FOR_LONG_REWIND - 1000;
+        int position = RewindAfterPauseUtils.calculatePositionWithRewind(ORIGINAL_POSITION, lastPlayed);
+
+        assertEquals(0, position);
+    }
+}