PeterAlfredLee commented on a change in pull request #153:
URL: https://github.com/apache/commons-compress/pull/153#discussion_r530895371



##########
File path: 
src/test/java/org/apache/commons/compress/archivers/tar/SparseFilesTest.java
##########
@@ -73,54 +75,57 @@ public void testPaxGNU() throws Throwable {
 
     @Test
     public void testExtractSparseTarsOnWindows() throws IOException {
-        if (!isOnWindows) {
-            return;
-        }
+        assumeTrue(isOnWindows);

Review comment:
       Maybe we can make it more detailed with something like :
   ```
   assumeTrue("This test should be ignored if not running on 
Windows",isOnWindows);
   ```

##########
File path: 
src/test/java/org/apache/commons/compress/archivers/tar/SparseFilesTest.java
##########
@@ -129,14 +134,13 @@ public void testExtractOldGNU() throws IOException, 
InterruptedException {
 
     @Test
     public void testExtractExtendedOldGNU() throws IOException, 
InterruptedException {
-        if (isOnWindows) {
-            return;
-        }
+        assumeFalse(isOnWindows);

Review comment:
       Same one.

##########
File path: 
src/test/java/org/apache/commons/compress/archivers/tar/SparseFilesTest.java
##########
@@ -169,31 +173,32 @@ public void testExtractExtendedOldGNU() throws 
IOException, InterruptedException
 
     @Test
     public void testExtractPaxGNU() throws IOException, InterruptedException {
-        if (isOnWindows) {
-            return;
-        }
+        assumeFalse(isOnWindows);

Review comment:
       Same one.

##########
File path: 
src/test/java/org/apache/commons/compress/archivers/tar/SparseFilesTest.java
##########
@@ -73,54 +75,57 @@ public void testPaxGNU() throws Throwable {
 
     @Test
     public void testExtractSparseTarsOnWindows() throws IOException {
-        if (!isOnWindows) {
-            return;
-        }
+        assumeTrue(isOnWindows);
 
         final File oldGNUSparseTar = getFile("oldgnu_sparse.tar");
         final File paxGNUSparseTar = getFile("pax_gnu_sparse.tar");
         try (TarArchiveInputStream paxGNUSparseInputStream = new 
TarArchiveInputStream(new FileInputStream(paxGNUSparseTar))) {
 
             // compare between old GNU and PAX 0.0
-            paxGNUSparseInputStream.getNextTarEntry();
+            TarArchiveEntry paxGNUEntry = 
paxGNUSparseInputStream.getNextTarEntry();
+            assertTrue(paxGNUSparseInputStream.canReadEntryData(paxGNUEntry));
             try (TarArchiveInputStream oldGNUSparseInputStream = new 
TarArchiveInputStream(new FileInputStream(oldGNUSparseTar))) {
-                oldGNUSparseInputStream.getNextTarEntry();
+                final TarArchiveEntry oldGNUEntry = 
oldGNUSparseInputStream.getNextTarEntry();
+                
assertTrue(oldGNUSparseInputStream.canReadEntryData(oldGNUEntry));
                 assertArrayEquals(IOUtils.toByteArray(oldGNUSparseInputStream),
-                    IOUtils.toByteArray(paxGNUSparseInputStream));
+                        IOUtils.toByteArray(paxGNUSparseInputStream));
             }
 
             // compare between old GNU and PAX 0.1
-            paxGNUSparseInputStream.getNextTarEntry();
+            paxGNUEntry = paxGNUSparseInputStream.getNextTarEntry();
+            assertTrue(paxGNUSparseInputStream.canReadEntryData(paxGNUEntry));
             try (TarArchiveInputStream oldGNUSparseInputStream = new 
TarArchiveInputStream(new FileInputStream(oldGNUSparseTar))) {
-                oldGNUSparseInputStream.getNextTarEntry();
+                final TarArchiveEntry oldGNUEntry = 
oldGNUSparseInputStream.getNextTarEntry();
+                
assertTrue(oldGNUSparseInputStream.canReadEntryData(oldGNUEntry));
                 assertArrayEquals(IOUtils.toByteArray(oldGNUSparseInputStream),
-                    IOUtils.toByteArray(paxGNUSparseInputStream));
+                        IOUtils.toByteArray(paxGNUSparseInputStream));
             }
 
             // compare between old GNU and PAX 1.0
-            paxGNUSparseInputStream.getNextTarEntry();
+            paxGNUEntry = paxGNUSparseInputStream.getNextTarEntry();
+            assertTrue(paxGNUSparseInputStream.canReadEntryData(paxGNUEntry));
             try (TarArchiveInputStream oldGNUSparseInputStream = new 
TarArchiveInputStream(new FileInputStream(oldGNUSparseTar))) {
-                oldGNUSparseInputStream.getNextTarEntry();
+                final TarArchiveEntry oldGNUEntry = 
oldGNUSparseInputStream.getNextTarEntry();
+                
assertTrue(oldGNUSparseInputStream.canReadEntryData(oldGNUEntry));
                 assertArrayEquals(IOUtils.toByteArray(oldGNUSparseInputStream),
-                    IOUtils.toByteArray(paxGNUSparseInputStream));
+                        IOUtils.toByteArray(paxGNUSparseInputStream));
             }
         }
     }
 
     @Test
     public void testExtractOldGNU() throws IOException, InterruptedException {
-        if (isOnWindows) {
-            return;
-        }
+        assumeFalse(isOnWindows);

Review comment:
       Maybe we can make it more detailed with something like :
   ```
   assumeFalse("This test should be ignored on Windows", isOnWindows);
   ```




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