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| 1 | +package scala.util.parsing.combinator |
| 2 | + |
| 3 | +import scala.util.parsing.input.CharArrayReader |
| 4 | + |
| 5 | +import org.junit.Test |
| 6 | +import org.junit.Assert.assertEquals |
| 7 | + |
| 8 | +class JavaTokenParsersTest { |
| 9 | + |
| 10 | + @Test |
| 11 | + def parseDecimalNumber: Unit = { |
| 12 | + object TestJavaTokenParsers extends JavaTokenParsers |
| 13 | + import TestJavaTokenParsers._ |
| 14 | + assertEquals("1.1", decimalNumber(new CharArrayReader("1.1".toCharArray)).get) |
| 15 | + assertEquals("1.", decimalNumber(new CharArrayReader("1.".toCharArray)).get) |
| 16 | + assertEquals(".1", decimalNumber(new CharArrayReader(".1".toCharArray)).get) |
| 17 | + // should fail to parse and we should get Failure as ParseResult |
| 18 | + val failure = decimalNumber(new CharArrayReader("!1".toCharArray)).asInstanceOf[Failure] |
| 19 | + assertEquals("""string matching regex `(\d+(\.\d*)?|\d*\.\d+)' expected but `!' found""", failure.msg) |
| 20 | + } |
| 21 | + |
| 22 | + @Test |
| 23 | + def parseJavaIdent: Unit = { |
| 24 | + object javaTokenParser extends JavaTokenParsers |
| 25 | + import javaTokenParser._ |
| 26 | + def parseSuccess(s: String): Unit = { |
| 27 | + val parseResult = parseAll(ident, s) |
| 28 | + parseResult match { |
| 29 | + case Success(r, _) => assertEquals(s, r) |
| 30 | + case _ => sys.error(parseResult.toString) |
| 31 | + } |
| 32 | + } |
| 33 | + def parseFailure(s: String, errorColPos: Int): Unit = { |
| 34 | + val parseResult = parseAll(ident, s) |
| 35 | + parseResult match { |
| 36 | + case Failure(_, next) => |
| 37 | + val pos = next.pos |
| 38 | + assertEquals(1, pos.line) |
| 39 | + assertEquals(errorColPos, pos.column) |
| 40 | + case _ => sys.error(parseResult.toString) |
| 41 | + } |
| 42 | + } |
| 43 | + parseSuccess("simple") |
| 44 | + parseSuccess("with123") |
| 45 | + parseSuccess("with$") |
| 46 | + parseSuccess("with\u00f8\u00df\u00f6\u00e8\u00e6") |
| 47 | + parseSuccess("with_") |
| 48 | + parseSuccess("_with") |
| 49 | + |
| 50 | + parseFailure("3start", 1) |
| 51 | + parseFailure("-start", 1) |
| 52 | + parseFailure("with-s", 5) |
| 53 | + // we♥scala |
| 54 | + parseFailure("we\u2665scala", 3) |
| 55 | + parseFailure("with space", 6) |
| 56 | + } |
| 57 | + |
| 58 | +} |
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