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package scala
import org.junit.Test
import org.junit.Assert._
import org.junit.runner.RunWith
import org.junit.runners.JUnit4
import scala.tools.testing.AssertUtil._
@RunWith(classOf[JUnit4])
class StringContextTest {
import StringContext._
@Test def noEscape() = {
val s = "string"
val res = processEscapes(s)
assertEquals(s, res)
}
@Test def tabbed() = {
val s = """a\tb"""
val res = processEscapes(s)
assertEquals("a\tb", res)
}
@Test def quoted() = {
val s = """hello, \"world\""""
val res = processEscapes(s)
assertEquals("""hello, "world"""", res)
}
@Test def octal() = {
val s = """\123cala"""
val res = treatEscapes(s)
assertEquals("Scala", res)
}
@Test def doubled() = {
val s = """\123cala\123yntax"""
val res = treatEscapes(s)
assertEquals("ScalaSyntax", res)
}
@Test def badly() = assertThrows[InvalidEscapeException] {
val s = """Scala\"""
val res = treatEscapes(s)
assertEquals("Scala", res)
}
@Test def noOctal() = assertThrows[InvalidEscapeException] {
val s = """\123cala"""
val res = processEscapes(s)
assertEquals("Scala", res)
}
@Test def t6631_baseline() = assertEquals("\f\r\n\t", s"""\f\r\n\t""")
@Test def t6631_badEscape() = assertThrows[InvalidEscapeException] {
s"""\x"""
}
// verifying that the standard interpolators can be supplanted
@Test def antiHijack_?() = {
object AllYourStringsAreBelongToMe { case class StringContext(args: Any*) { def s(args: Any) = "!!!!" } }
import AllYourStringsAreBelongToMe._
//assertEquals("????", s"????")
assertEquals("!!!!", s"????") // OK to hijack core interpolator ids
}
}
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