private void testFindIndexCommon(
String testName, TestTest test, int[] result, bool resultIndicesAreUTF8)
{
if (test.matches.Length == 0 && GoTestUtils.len(result) == 0)
{
// ok
}
else if (test.matches.Length == 0 && result != null)
{
Assert.Fail(String.Format("{0}: expected no match; got one: {1}", testName, test));
}
else if (test.matches.Length > 0 && result == null)
{
Assert.Fail(String.Format("{0}: expected match; got none: {1}", testName, test));
}
else
{
if (!resultIndicesAreUTF8)
{
result = GoTestUtils.utf16IndicesToUtf8(result, test.text);
}
int[] expect = test.matches[0]; // UTF-8 indices
if (expect[0] != result[0] || expect[1] != result[1])
{
Assert.Fail(
String.Format(
"{0}: expected {1} got {2}: {3}",
testName,
expect.ToString(),
result.ToString(),
test));
}
}
}
private void testFindAllIndexCommon(
String testName, TestTest test, List <int[]> result, bool resultIndicesAreUTF8)
{
if (test.matches.Length == 0 && result == null)
{
// ok
}
else if (test.matches.Length == 0 && result != null)
{
Assert.Fail(String.Format("{0}: expected no match; got one: {1}", testName, test));
}
else if (test.matches.Length > 0 && result == null)
{
Assert.Fail(String.Format("{0}: expected match; got none: {1}", testName, test));
}
else
{
if (test.matches.Length != result.Count)
{
Assert.Fail(
String.Format(
"{0}: expected {1} matches; got {2}: {3}",
testName,
test.matches.Length,
result.Count,
test));
}
for (int k = 0; k < test.matches.Length; k++)
{
int[] e = test.matches[k];
int[] res = result[k];
if (!resultIndicesAreUTF8)
{
res = GoTestUtils.utf16IndicesToUtf8(res, test.text);
}
if (e[0] != res[0] || e[1] != res[1])
{
Assert.Fail(
String.Format(
"{0}: match {2}: expected {2}; got {3}: {4}",
testName,
k,
e.ToString(), // (only 1st two elements matter here)
res.ToString(),
test));
}
}
}
}
// Now come the simple All cases.
public void testFindAllUTF8()
{
List <byte[]> result = RE2.compile(test.pat).findAllUTF8(test.textUTF8, -1);
if (test.matches.Length == 0 && result == null)
{
// ok
}
else if (test.matches.Length == 0 && result != null)
{
Assert.Fail(String.Format("findAllUTF8: expected no match; got one: {0}", test));
}
else if (test.matches.Length > 0 && result == null)
{
throw new Exception("findAllUTF8: expected match; got none: " + test);
}
else
{
if (test.matches.Length != result.Count)
{
Assert.Fail(
String.Format(
"findAllUTF8: expected {0} matches; got {1}: {2}",
test.matches.Length,
result.Count),
test);
}
for (int i = 0; i < test.matches.Length; i++)
{
byte[] expect = test.submatchBytes(i, 0);
if (!expect.SequenceEqual(result[i]))
{
Assert.Fail(
String.Format(
"findAllUTF8: match {0}: expected {1}; got {2}: {3}",
i / 2,
GoTestUtils.fromUTF8(expect),
GoTestUtils.fromUTF8(result[i]),
test));
}
}
}
}
// Now come the Submatch cases.
private void testSubmatchBytes(String testName, FindTest.TestTest test, int n, byte[][] result)
{
int[] submatches = test.matches[n];
if (submatches.Length != GoTestUtils.len(result) * 2)
{
Assert.Fail(
String.Format(
"{0} {1}: expected {2} submatches; got {3}: {4}",
testName,
n,
submatches.Length / 2,
GoTestUtils.len(result),
test));
}
for (int k = 0; k < GoTestUtils.len(result); k++)
{
if (submatches[k * 2] == -1)
{
if (result[k] != null)
{
Assert.Fail(String.Format("{0} {1}: expected null got {2}: {3}", testName, n, result, test));
}
continue;
}
byte[] expect = test.submatchBytes(n, k);
if (!expect.SequenceEqual(result[k]))
{
Assert.Fail(
String.Format(
"{0} {1}: expected {2}; got {3}: {4}",
testName,
n,
GoTestUtils.fromUTF8(expect),
GoTestUtils.fromUTF8(result[k]),
test));
}
}
}
// The n and x parameters construct a [][]int by extracting n
// sequences from x. This represents n matches with len(x)/n
// submatches each.
public TestTest(String pat, String text, int n, params int[] x)
{
this.pat = pat;
this.text = text;
this.textUTF8 = GoTestUtils.utf8(text);
this.matches = new int[n][];
if (n > 0)
{
int runLength = x.Length / n;
for (int j = 0, i = 0; i < n; i++)
{
matches[i] = new int[runLength];
System.Array.Copy(x, j, matches[i], 0, runLength);
j += runLength;
if (j > x.Length)
{
Assert.Fail("invalid build entry");
}
}
}
}
private void testSubmatchIndices(
String testName, TestTest test, int n, int[] result, bool resultIndicesAreUTF8)
{
int[] expect = test.matches[n];
if (expect.Length != GoTestUtils.len(result))
{
Assert.Fail(
String.Format(
"{0} {1}: expected {2} matches; got {3}: {4}",
testName,
n,
expect.Length / 2,
GoTestUtils.len(result) / 2,
test));
return;
}
if (!resultIndicesAreUTF8)
{
result = GoTestUtils.utf16IndicesToUtf8(result, test.text);
}
for (int k = 0; k < expect.Length; ++k)
{
if (expect[k] != result[k])
{
Assert.Fail(
String.Format(
"{0} {1}: submatch error: expected {2} got {3}: {4}",
testName,
n,
expect.ToString(),
result.ToString(),
test));
}
}
}
// (Go: testSubmatchString)
private void testSubmatch(String testName, TestTest test, int n, String[] result)
{
int[] submatches = test.matches[n];
if (submatches.Length != GoTestUtils.len(result) * 2)
{
Assert.Fail(
String.Format(
"{0} {1}: expected {2} submatches; got {3}: {4}",
testName,
n,
submatches.Length / 2,
GoTestUtils.len(result),
test));
}
for (int k = 0; k < submatches.Length; k += 2)
{
if (submatches[k] == -1)
{
if (result[k / 2] != null && result[k / 2].Length != 0)
{
Assert.Fail(
String.Format(
"{0} {1}: expected null got {2}: {3}", testName, n, result.ToString(), test));
}
continue;
}
System.Console.WriteLine(testName + " " + test + " " + n + " " + k + " ");
String expect = test.submatchString(n, k / 2);
if (!expect.Equals(result[k / 2]))
{
Assert.Fail(String.Format("{0} {1}: expected {2} got {3}: {4}", testName, n, expect, result, test));
}
}
}
// First the simple cases.
public void testFindUTF8()
{
RE2 re = RE2.compile(test.pat);
if (!re.ToString().Equals(test.pat))
{
Assert.Fail(String.Format("RE2.toString() = \"{0}\"; should be \"{1}\"", re.ToString(), test.pat));
}
byte[] result = re.findUTF8(test.textUTF8);
if (test.matches.Length == 0 && GoTestUtils.len(result) == 0)
{
// ok
}
else if (test.matches.Length == 0 && result != null)
{
Assert.Fail(String.Format("findUTF8: expected no match; got one: {0}", test));
}
else if (test.matches.Length > 0 && result == null)
{
Assert.Fail(String.Format("findUTF8: expected match; got none: {0}", test));
}
else
{
byte[] expect = test.submatchBytes(0, 0);
if (!expect.SequenceEqual(result))
{
Assert.Fail(
String.Format(
"findUTF8: expected {0}; got {1}: {2}",
GoTestUtils.fromUTF8(expect),
GoTestUtils.fromUTF8(result),
test));
}
}
}
public String submatchString(int i, int j)
{
return(GoTestUtils.fromUTF8(submatchBytes(i, j))); // yikes
}
