diff options
Diffstat (limited to 'org.eclipse.jgit.test')
| -rw-r--r-- | org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/RawTextIgnoreWhitespaceChangeTest.java | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/RawTextIgnoreWhitespaceChangeTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/RawTextIgnoreWhitespaceChangeTest.java index 73b2a72ace..c2b8641ebe 100644 --- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/RawTextIgnoreWhitespaceChangeTest.java +++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/RawTextIgnoreWhitespaceChangeTest.java @@ -13,6 +13,7 @@ package org.eclipse.jgit.diff; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertNotEquals; import static org.junit.Assert.assertTrue; import org.eclipse.jgit.lib.Constants; @@ -103,4 +104,47 @@ public class RawTextIgnoreWhitespaceChangeTest { assertTrue(cmp.equals(a, 4, b, 4)); assertTrue(cmp.equals(b, 4, a, 4)); } + + @Test + public void testHashCode() { + RawText a = new RawText(Constants + .encodeASCII("a b c\n\nab c d \n\ta bc d\nxyz\na b c")); + RawText b = new RawText(Constants.encodeASCII( + "a b c\na b c\nab c d\na bc d\n \t a bc d\na b c\n")); + + // Same line gives equal hash + assertEquals(cmp.hash(a, 0), cmp.hash(a, 0)); + + // Empty lines produce the same hash + assertEquals(cmp.hash(a, 1), cmp.hash(a, 1)); + + // Equal lines from different RawTexts get the same hash (RawText + // instance is not part of the hash) + assertEquals(cmp.hash(a, 0), cmp.hash(b, 0)); + + // A blank produces the same hash as a TAB + assertEquals(cmp.hash(new RawText(Constants.encodeASCII(" ")), 0), + cmp.hash(new RawText(Constants.encodeASCII("\t")), 0)); + + // Lines with only differing whitespace produce same hash + assertEquals(cmp.hash(a, 0), cmp.hash(b, 1)); + + // Lines with different trailing whitespace produce the same hash + assertEquals(cmp.hash(a, 2), cmp.hash(b, 2)); + + // A line with leading whitespace produces a hash different from the + // same line without leading whitespace + assertNotEquals(cmp.hash(a, 3), cmp.hash(b, 3)); + + // Lines with different leading whitespace produce equal hashes + assertEquals(cmp.hash(a, 3), cmp.hash(b, 4)); + + // While different lines _should_ produce different hashes, that may not + // always be the case. But for these two lines, it is. + assertNotEquals(cmp.hash(a, 4), cmp.hash(b, 4)); + + // A line without trailing \n produces the same hash as one without + assertEquals(cmp.hash(a, 5), cmp.hash(b, 5)); + + } } |