public void PatchApplyTest()
{
diff_match_patchTest dmp = new diff_match_patchTest();
dmp.Match_Distance = 1000;
dmp.Match_Threshold = 0.5f;
dmp.Patch_DeleteThreshold = 0.5f;
List<Patch> patches;
patches = dmp.PatchMake("", "");
Object[] results = dmp.PatchApply(patches, "Hello world.");
bool[] boolArray = (bool[])results[1];
string resultStr = results[0] + "\t" + boolArray.Length;
Assert.AreEqual("Hello world.\t0", resultStr, "PatchApply: Null case.");
patches = dmp.PatchMake("The quick brown fox jumps over the lazy dog.", "That quick brown fox jumped over a lazy dog.");
results = dmp.PatchApply(patches, "The quick brown fox jumps over the lazy dog.");
boolArray = (bool[])results[1];
resultStr = results[0] + "\t" + boolArray[0] + "\t" + boolArray[1];
Assert.AreEqual("That quick brown fox jumped over a lazy dog.\tTrue\tTrue", resultStr, "PatchApply: Exact match.");
results = dmp.PatchApply(patches, "The quick red rabbit jumps over the tired tiger.");
boolArray = (bool[])results[1];
resultStr = results[0] + "\t" + boolArray[0] + "\t" + boolArray[1];
Assert.AreEqual("That quick red rabbit jumped over a tired tiger.\tTrue\tTrue", resultStr, "PatchApply: Partial match.");
results = dmp.PatchApply(patches, "I am the very model of a modern major general.");
boolArray = (bool[])results[1];
resultStr = results[0] + "\t" + boolArray[0] + "\t" + boolArray[1];
Assert.AreEqual("I am the very model of a modern major general.\tFalse\tFalse", resultStr, "PatchApply: Failed match.");
patches = dmp.PatchMake("x1234567890123456789012345678901234567890123456789012345678901234567890y", "xabcy");
results = dmp.PatchApply(patches, "x123456789012345678901234567890-----++++++++++-----123456789012345678901234567890y");
boolArray = (bool[])results[1];
resultStr = results[0] + "\t" + boolArray[0] + "\t" + boolArray[1];
Assert.AreEqual("xabcy\tTrue\tTrue", resultStr, "PatchApply: Big delete, small change.");
patches = dmp.PatchMake("x1234567890123456789012345678901234567890123456789012345678901234567890y", "xabcy");
results = dmp.PatchApply(patches, "x12345678901234567890---------------++++++++++---------------12345678901234567890y");
boolArray = (bool[])results[1];
resultStr = results[0] + "\t" + boolArray[0] + "\t" + boolArray[1];
Assert.AreEqual("xabc12345678901234567890---------------++++++++++---------------12345678901234567890y\tFalse\tTrue", resultStr, "PatchApply: Big delete, big change 1.");
dmp.Patch_DeleteThreshold = 0.6f;
patches = dmp.PatchMake("x1234567890123456789012345678901234567890123456789012345678901234567890y", "xabcy");
results = dmp.PatchApply(patches, "x12345678901234567890---------------++++++++++---------------12345678901234567890y");
boolArray = (bool[])results[1];
resultStr = results[0] + "\t" + boolArray[0] + "\t" + boolArray[1];
Assert.AreEqual("xabcy\tTrue\tTrue", resultStr, "PatchApply: Big delete, big change 2.");
dmp.Patch_DeleteThreshold = 0.5f;
dmp.Match_Threshold = 0.0f;
dmp.Match_Distance = 0;
patches = dmp.PatchMake("abcdefghijklmnopqrstuvwxyz--------------------1234567890", "abcXXXXXXXXXXdefghijklmnopqrstuvwxyz--------------------1234567YYYYYYYYYY890");
results = dmp.PatchApply(patches, "ABCDEFGHIJKLMNOPQRSTUVWXYZ--------------------1234567890");
boolArray = (bool[])results[1];
resultStr = results[0] + "\t" + boolArray[0] + "\t" + boolArray[1];
Assert.AreEqual("ABCDEFGHIJKLMNOPQRSTUVWXYZ--------------------1234567YYYYYYYYYY890\tFalse\tTrue", resultStr, "PatchApply: Compensate for failed patch.");
dmp.Match_Threshold = 0.5f;
dmp.Match_Distance = 1000;
patches = dmp.PatchMake("", "test");
string patchStr = dmp.PatchToText(patches);
dmp.PatchApply(patches, "");
Assert.AreEqual(patchStr, dmp.PatchToText(patches), "PatchApply: No side effects.");
patches = dmp.PatchMake("The quick brown fox jumps over the lazy dog.", "Woof");
patchStr = dmp.PatchToText(patches);
dmp.PatchApply(patches, "The quick brown fox jumps over the lazy dog.");
Assert.AreEqual(patchStr, dmp.PatchToText(patches), "PatchApply: No side effects with major delete.");
patches = dmp.PatchMake("", "test");
results = dmp.PatchApply(patches, "");
boolArray = (bool[])results[1];
resultStr = results[0] + "\t" + boolArray[0];
Assert.AreEqual("test\tTrue", resultStr, "PatchApply: Edge exact match.");
patches = dmp.PatchMake("XY", "XtestY");
results = dmp.PatchApply(patches, "XY");
boolArray = (bool[])results[1];
resultStr = results[0] + "\t" + boolArray[0];
Assert.AreEqual("XtestY\tTrue", resultStr, "PatchApply: Near edge exact match.");
patches = dmp.PatchMake("y", "y123");
results = dmp.PatchApply(patches, "x");
boolArray = (bool[])results[1];
resultStr = results[0] + "\t" + boolArray[0];
Assert.AreEqual("x123\tTrue", resultStr, "PatchApply: Edge partial match.");
}
