FileTreeIteratorJava7Test: Create Git instances in try-with-resource

Change-Id: I493e90e8a0d96db5acc49759c8e138b0a8c7b099
Signed-off-by: David Pursehouse <david.pursehouse@sonymobile.com>

org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/FileTreeIteratorJava7Test.java

@@ -103,18 +103,20 @@ public class FileTreeIteratorJava7Test extends RepositoryTestCase {
 			});
 			assertTrue(dce.commit());
 		}
-		new Git(db).commit().setMessage("Adding link").call();
-		new Git(db).reset().setMode(ResetType.HARD).call();
-		DirCacheIterator dci = new DirCacheIterator(db.readDirCache());
-		FileTreeIterator fti = new FileTreeIterator(db);
+		try (Git git = new Git(db)) {
+			git.commit().setMessage("Adding link").call();
+			git.reset().setMode(ResetType.HARD).call();
+			DirCacheIterator dci = new DirCacheIterator(db.readDirCache());
+			FileTreeIterator fti = new FileTreeIterator(db);
 
-		// self-check
-		assertEquals("link", fti.getEntryPathString());
-		assertEquals("link", dci.getEntryPathString());
+			// self-check
+			assertEquals("link", fti.getEntryPathString());
+			assertEquals("link", dci.getEntryPathString());
 
-		// test
-		assertFalse(fti.isModified(dci.getDirCacheEntry(), true,
-				db.newObjectReader()));
+			// test
+			assertFalse(fti.isModified(dci.getDirCacheEntry(), true,
+					db.newObjectReader()));
+		}
 	}
 
 	/**
@@ -142,18 +144,20 @@ public class FileTreeIteratorJava7Test extends RepositoryTestCase {
 			});
 			assertTrue(dce.commit());
 		}
-		new Git(db).commit().setMessage("Adding link").call();
-		new Git(db).reset().setMode(ResetType.HARD).call();
-		DirCacheIterator dci = new DirCacheIterator(db.readDirCache());
-		FileTreeIterator fti = new FileTreeIterator(db);
+		try (Git git = new Git(db)) {
+			git.commit().setMessage("Adding link").call();
+			git.reset().setMode(ResetType.HARD).call();
+			DirCacheIterator dci = new DirCacheIterator(db.readDirCache());
+			FileTreeIterator fti = new FileTreeIterator(db);
 
-		// self-check
-		assertEquals("link", fti.getEntryPathString());
-		assertEquals("link", dci.getEntryPathString());
+			// self-check
+			assertEquals("link", fti.getEntryPathString());
+			assertEquals("link", dci.getEntryPathString());
 
-		// test
-		assertFalse(fti.isModified(dci.getDirCacheEntry(), true,
-				db.newObjectReader()));
+			// test
+			assertFalse(fti.isModified(dci.getDirCacheEntry(), true,
+					db.newObjectReader()));
+		}
 	}
 
 	/**
@@ -182,20 +186,22 @@ public class FileTreeIteratorJava7Test extends RepositoryTestCase {
 			});
 			assertTrue(dce.commit());
 		}
-		new Git(db).commit().setMessage("Adding link").call();
-		new Git(db).reset().setMode(ResetType.HARD).call();
+		try (Git git = new Git(db)) {
+			git.commit().setMessage("Adding link").call();
+			git.reset().setMode(ResetType.HARD).call();
 
-		FileUtils.delete(new File(trash, "link"), FileUtils.NONE);
-		FS.DETECTED.createSymLink(new File(trash, "link"), "newtarget");
-		DirCacheIterator dci = new DirCacheIterator(db.readDirCache());
-		FileTreeIterator fti = new FileTreeIterator(db);
+			FileUtils.delete(new File(trash, "link"), FileUtils.NONE);
+			FS.DETECTED.createSymLink(new File(trash, "link"), "newtarget");
+			DirCacheIterator dci = new DirCacheIterator(db.readDirCache());
+			FileTreeIterator fti = new FileTreeIterator(db);
 
-		// self-check
-		assertEquals("link", fti.getEntryPathString());
-		assertEquals("link", dci.getEntryPathString());
+			// self-check
+			assertEquals("link", fti.getEntryPathString());
+			assertEquals("link", dci.getEntryPathString());
 
-		// test
-		assertTrue(fti.isModified(dci.getDirCacheEntry(), true,
-				db.newObjectReader()));
+			// test
+			assertTrue(fti.isModified(dci.getDirCacheEntry(), true,
+					db.newObjectReader()));
+		}
 	}
 }