test: add aapt1/aapt2 tests for "0byte" files

brut.apktool/apktool-lib/src/test/java/brut/androlib/aapt1/BuildAndDecodeTest.java

@@ -20,6 +20,7 @@ import brut.androlib.Androlib;
 import brut.androlib.ApkDecoder;
 import brut.androlib.BaseTest;
 import brut.androlib.TestUtils;
+import brut.androlib.meta.MetaInfo;
 import brut.directory.ExtFile;
 import brut.common.BrutException;
 import brut.util.OS;
@@ -481,6 +482,15 @@ public class BuildAndDecodeTest extends BaseTest {
         }
     }
 
+    @Test
+    public void confirmZeroByteFileIsNotStored() throws BrutException {
+        MetaInfo metaInfo = new Androlib().readMetaFile(sTestNewDir);
+
+        for (String item : metaInfo.doNotCompress) {
+            assertNotSame(item, "empty");
+        }
+    }
+
     @Test
     public void drawableXxhdpiTest() throws BrutException, IOException {
         compareResFolder("drawable-xxhdpi");

brut.apktool/apktool-lib/src/test/java/brut/androlib/aapt2/BuildAndDecodeTest.java

@@ -17,6 +17,7 @@
 package brut.androlib.aapt2;
 
 import brut.androlib.*;
+import brut.androlib.meta.MetaInfo;
 import brut.common.BrutException;
 import brut.directory.ExtFile;
 import brut.util.OS;
@@ -72,6 +73,12 @@ public class BuildAndDecodeTest extends BaseTest {
         compareValuesFiles("values/strings.xml");
     }
 
+    @Test
+    public void confirmZeroByteFileIsNotStored() throws BrutException {
+        MetaInfo metaInfo = new Androlib().readMetaFile(sTestNewDir);
+        assertNull(metaInfo.doNotCompress);
+    }
+
     @Test
     public void navigationResourceTest() throws BrutException {
         compareXmlFiles("res/navigation/nav_graph.xml");