port StrconvSuite

src/test/scala/re2s/StrconvSuite.scala

@@ -0,0 +1,80 @@
+package re2s
+
+import org.scalatest.FunSuite
+
+class StrconvSuite() extends FunSuite {
+  private def rune(r: Int) = new StringBuffer().appendCodePoint(r).toString
+
+  private val UNQUOTE_TESTS = Array(
+    Array("\"\"", ""),
+    Array("\"a\"", "a"),
+    Array("\"abc\"", "abc"),
+    Array("\"☺\"", "☺"),
+    Array("\"hello world\"", "hello world"),
+    Array("\"\\xFF\"", "\u00FF"),
+    Array("\"\\377\"", "\377"),
+    Array("\"\\u1234\"", "\u1234"),
+    Array("\"\\U00010111\"", rune(0x10111)),
+    Array("\"\\U0001011111\"", rune(0x10111) + "11"),
+    Array("\"\\a\\b\\f\\n\\r\\t\\v\\\\\\\"\"", "\007\b\f\n\r\t\013\\\""),
+    Array("\"'\"", "'"),
+    Array("'a'", "a"),
+    Array("'☹'", "☹"),
+    Array("'\\a'", "\u0007"),
+    Array("'\\x10'", "\u0010"),
+    Array("'\\377'", "\377"),
+    Array("'\\u1234'", "\u1234"),
+    Array("'\\U00010111'", rune(0x10111)),
+    Array("'\\t'", "\t"),
+    Array("' '", " "),
+    Array("'\\''", "'"),
+    Array("'\"'", "\""),
+    Array("``", ""),
+    Array("`a`", "a"),
+    Array("`abc`", "abc"),
+    Array("`☺`", "☺"),
+    Array("`hello world`", "hello world"),
+    Array("`\\xFF`", "\\xFF"),
+    Array("`\\377`", "\\377"),
+    Array("`\\`", "\\"),
+    Array("`\n`", "\n"),
+    Array("`\t`", "\t"),
+    Array("` `", " "), // Misquoted strings, should produce an error.
+    Array("", null),
+    Array("\"", null),
+    Array("\"a", null),
+    Array("\"'", null),
+    Array("b\"", null),
+    Array("\"\\\"", null),
+    Array("'\\'", null),
+    Array("'ab'", null),
+    Array("\"\\x1!\"", null),
+    Array("\"\\U12345678\"", null),
+    Array("\"\\z\"", null),
+    Array("`", null),
+    Array("`xxx", null),
+    Array("`\"", null),
+    Array("\"\\'\"", null),
+    Array("'\\\"'", null),
+    Array("\"\n\"", null),
+    Array("\"\\n\n\"", null),
+    Array("'\n'", null)
+  )
+
+  test("Unquote") {
+    for (Array(input, expected) <- UNQUOTE_TESTS) {
+      if (expected != null)
+        assert(expected == Strconv.unquote(input), "unquote(%s)".format(input))
+      else
+        try {
+          Strconv.unquote(input)
+          fail(String.format("unquote(%s) succeeded unexpectedly", input))
+        } catch {
+          case e: IllegalArgumentException =>
+          /* ok */
+          case e: StringIndexOutOfBoundsException =>
+        }
+      // TODO(adonovan): port and run the quote tests too, backward
+    }
+  }
+}