diff --git a/test/testcase/diffutils/GenerateUnifiedDiffTest.java b/test/testcase/diffutils/GenerateUnifiedDiffTest.java index e8be995..7e150d9 100644 --- a/test/testcase/diffutils/GenerateUnifiedDiffTest.java +++ b/test/testcase/diffutils/GenerateUnifiedDiffTest.java @@ -8,6 +8,7 @@ import java.io.BufferedReader; import java.io.File; import java.io.FileReader; import java.io.IOException; +import java.util.Arrays; import java.util.LinkedList; import java.util.List; @@ -42,6 +43,12 @@ public class GenerateUnifiedDiffTest extends TestCase { verify(origLines, revLines); } + public void testGenerateUnifiedDiffWithoutAnyDeltas() throws Exception { + List test = Arrays.asList("abc"); + Patch patch = DiffUtils.diff(test, test); + DiffUtils.generateUnifiedDiff("abc", "abc", test, patch, 0); + } + public void testDiff_Issue10() throws Exception { final List baseLines = fileToLines("test" + FS + "mocks" + FS + "issue10_base.txt"); final List patchLines = fileToLines("test" + FS + "mocks" + FS + "issue10_patch.txt");