public void GetLinesTestWithEmptyInput() { int inputLength = 3; var input = new string('\0', inputLength); var builder = new LineBuilder(input, null); List<string> lines; // a+b+ - should be abb, aab var aBlock = new TextBlock("a"); var bBlock = new TextBlock("b"); var plusBlock1 = new OneOrMoreBlock(aBlock); var plusBlock2 = new OneOrMoreBlock(bBlock); var groupBlock = new AndGroupBlock(new RegexBlock[] { plusBlock1, plusBlock2 }); var regex1 = new RegularExpression(groupBlock); lines = builder.GetLines(regex1).ToList(); string[] expectedLines = new string[] { "abb", "aab" }; CollectionAssert.AreEquivalent(expectedLines, lines); // a*b* - should be bbb, abb, aab, aaa var starBlock1 = new ZeroOrMoreBlock(aBlock); var starBlock2 = new ZeroOrMoreBlock(bBlock); groupBlock = new AndGroupBlock(new RegexBlock[] { starBlock1, starBlock2 }); var regex2 = new RegularExpression(groupBlock); lines = builder.GetLines(regex2).ToList(); expectedLines = new string[] { "bbb", "abb", "aab", "aaa" }; CollectionAssert.AreEquivalent(expectedLines, lines); }
public void ParseTest10() { var parser = new RegexParser(); string pattern = ".*a.*"; // Expected regular expression var anyCharacterBlock = new AnyCharacterBlock(); var zeroOrOneBlock = new ZeroOrMoreBlock(anyCharacterBlock); var textBlock = new TextBlock("a"); var groupBlock = new AndGroupBlock(new RegexBlock[] { zeroOrOneBlock, textBlock, zeroOrOneBlock }); var expected = new RegularExpression(groupBlock); var actual = parser.Parse(pattern); actual.ShouldBeEquivalentTo(expected, options => options.IncludingAllRuntimeProperties()); }
public void ParseTest1() { var parser = new RegexParser(); string pattern = "a+b+"; // Expected regular expression var aBlock = new TextBlock("a"); var bBlock = new TextBlock("b"); var groupBlock = new AndGroupBlock(new RegexBlock[] { new OneOrMoreBlock(aBlock), new OneOrMoreBlock(bBlock) }); var expected = new RegularExpression(groupBlock); var actual = parser.Parse(pattern); actual.ShouldBeEquivalentTo(expected, options => options.IncludingAllRuntimeProperties(), "Pattern has been parsed incorrectly"); }
public void ParseTest11() { var parser = new RegexParser(); string pattern = @".+(.)(.)(.)(.)\4\3\2\1.*"; // Expected regular expression var anyCharacterBlock = new AnyCharacterBlock(); var oneOrMoreBlock = new OneOrMoreBlock(anyCharacterBlock); var zeroOrOneBlock = new ZeroOrMoreBlock(anyCharacterBlock); var andGroupBlock = new AndGroupBlock(new [] { anyCharacterBlock }); var b4 = new BackreferenceBlock(4); var b3 = new BackreferenceBlock(3); var b2 = new BackreferenceBlock(2); var b1 = new BackreferenceBlock(1); var groupBlock = new AndGroupBlock(new RegexBlock[] { oneOrMoreBlock, andGroupBlock, andGroupBlock, andGroupBlock, andGroupBlock, b4, b3, b2, b1, zeroOrOneBlock }); var expected = new RegularExpression(groupBlock); var actual = parser.Parse(pattern); actual.ShouldBeEquivalentTo(expected, options => options.IncludingAllRuntimeProperties()); }
public void TestRealWorldExpression1() { int inputLength = 10; var input = new string('\0', inputLength); var builder = new LineBuilder(input, null); List<string> lines; var block1 = new TextBlock("o"); var block2 = new TextBlock("rhh"); var block3 = new TextBlock("mm"); var orGroupBlock = new OrGroupBlock(new RegexBlock[] { block1, block2, block3 }); var starBlock = new ZeroOrMoreBlock(orGroupBlock); var andGroupBlock = new OrGroupBlock(new RegexBlock[] { starBlock }); var regex = new RegularExpression(andGroupBlock); lines = builder.GetLines(regex).ToList(); // Check against regular expression string regexPattern = "(o|rhh|mm)*"; CheckGeneratedLines(lines, regexPattern); }
protected object Visit(RegularExpression expression) { return Visit(expression.InnerBlock); }
public void ParseTest9() { var parser = new RegexParser(); string pattern = "[^abc]"; // Expected regular expression var setBlock = new ExclusiveSetBlock("abc"); var groupBlock = new AndGroupBlock(new RegexBlock[] { setBlock }); var expected = new RegularExpression(groupBlock); var actual = parser.Parse(pattern); actual.ShouldBeEquivalentTo(expected, options => options.IncludingAllRuntimeProperties()); }
public void ParseTest6() { var parser = new RegexParser(); string pattern = "(a|b)"; // Expected regular expression var aBlock = new TextBlock("a"); var bBlock = new TextBlock("b"); var orGroupBlock = new OrGroupBlock(new RegexBlock[] { aBlock, bBlock }); var expected = new RegularExpression(orGroupBlock); var actual = parser.Parse(pattern); actual.ShouldBeEquivalentTo(expected, options => options.IncludingAllRuntimeProperties()); }
public void ParseTest4() { var parser = new RegexParser(); string pattern = "(a+)*"; // Expected regular expression var aBlock = new TextBlock("a"); var plusBlock = new OneOrMoreBlock(aBlock); var andGroupBlock = new AndGroupBlock(new[] { plusBlock }); var starBlock = new ZeroOrMoreBlock(andGroupBlock); var andGroupBlock2 = new AndGroupBlock(new[] { starBlock }); var expected = new RegularExpression(andGroupBlock2); var actual = parser.Parse(pattern); actual.ShouldBeEquivalentTo(expected, options => options.IncludingAllRuntimeProperties()); }
public void ParseTest3() { var parser = new RegexParser(); string pattern = "(ab|bc)+"; // Expected regular expression var abBlock = new TextBlock("ab"); var bcBlock = new TextBlock("bc"); var orGroupBlock = new OrGroupBlock(new RegexBlock[] { abBlock, bcBlock }); var plusBlock = new OneOrMoreBlock(orGroupBlock); var andGroupBlock = new AndGroupBlock(new[] { plusBlock }); var expected = new RegularExpression(andGroupBlock); var actual = parser.Parse(pattern); actual.ShouldBeEquivalentTo(expected, options => options.IncludingAllRuntimeProperties()); }
public void ParseTest2() { var parser = new RegexParser(); string pattern = "a*b*"; // Expected regular expression var aBlock = new TextBlock("a"); var bBlock = new TextBlock("b"); var starBlock1 = new ZeroOrMoreBlock(aBlock); var starBlock2 = new ZeroOrMoreBlock(bBlock); var groupBlock = new AndGroupBlock(new RegexBlock[] { starBlock1, starBlock2 }); var expected = new RegularExpression(groupBlock); var actual = parser.Parse(pattern); actual.ShouldBeEquivalentTo(expected, options => options.IncludingAllRuntimeProperties()); }
public void ParseTest14() { var parser = new RegexParser(); string pattern = @"[^c]*[^r]*iii.*"; // Expected regular expression var textBlock = new TextBlock("iii"); var groupBlock = new AndGroupBlock( new RegexBlock[] { new ZeroOrMoreBlock(new ExclusiveSetBlock("c")), new ZeroOrMoreBlock(new ExclusiveSetBlock("r")), textBlock, new ZeroOrMoreBlock(new AnyCharacterBlock()) }); var expected = new RegularExpression(groupBlock); var actual = parser.Parse(pattern); actual.ShouldBeEquivalentTo(expected, options => options.IncludingAllRuntimeProperties()); }
public bool Check(RegularExpression expression) { return GetPositions(0, expression.InnerBlock).Any(position => position == _input.Length); }
public CrosswordQuestion(RegularExpression expression, string pattern) { Expression = expression; _pattern = pattern; }