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package scala.reflect.internal.util
import org.junit.Assert._
import org.junit.Test
import org.junit.runner.RunWith
import org.junit.runners.JUnit4
import scala.tools.testing.AssertUtil._
@RunWith(classOf[JUnit4])
class SourceFileTest {
def lineContentOf(code: String, offset: Int) =
Position.offset(new BatchSourceFile("", code), offset).lineContent
@Test
def si8205_overflow(): Unit = {
val file = new BatchSourceFile("", "code no newline")
// the bug in lineToString counted until MaxValue, and the AIOOBE came from here
assertFalse(file.isEndOfLine(Int.MaxValue))
}
@Test def si8630_lineToString(): Unit = {
val code = "abc "
assertEquals(code, new BatchSourceFile("", code).lineToString(0))
}
@Test
def si8205_lineToString(): Unit = {
assertEquals("", lineContentOf("", 0))
assertEquals("abc", lineContentOf("abc", 0))
assertEquals("abc", lineContentOf("abc", 3))
assertEquals("code no newline", lineContentOf("code no newline", 1))
assertEquals("", lineContentOf("\n", 0))
assertEquals("abc", lineContentOf("abc\ndef", 0))
assertEquals("abc", lineContentOf("abc\ndef", 3))
assertEquals("def", lineContentOf("abc\ndef", 4))
assertEquals("def", lineContentOf("abc\ndef", 6))
assertEquals("def", lineContentOf("abc\ndef\n", 7))
}
@Test
def CRisEOL(): Unit = {
assertEquals("", lineContentOf("\r", 0))
assertEquals("abc", lineContentOf("abc\rdef", 0))
assertEquals("abc", lineContentOf("abc\rdef", 3))
assertEquals("def", lineContentOf("abc\rdef", 4))
assertEquals("def", lineContentOf("abc\rdef", 6))
assertEquals("def", lineContentOf("abc\rdef\r", 7))
}
@Test
def CRNLisEOL(): Unit = {
assertEquals("", lineContentOf("\r\n", 0))
assertEquals("abc", lineContentOf("abc\r\ndef", 0))
assertEquals("abc", lineContentOf("abc\r\ndef", 3))
assertEquals("abc", lineContentOf("abc\r\ndef", 4))
assertEquals("def", lineContentOf("abc\r\ndef", 5))
assertEquals("def", lineContentOf("abc\r\ndef", 7))
assertEquals("def", lineContentOf("abc\r\ndef", 8))
assertEquals("def", lineContentOf("abc\r\ndef\r\n", 9))
}
@Test def si9885_lineToOffset(): Unit = {
val text = "a\nb\nc\n"
val f = new BatchSourceFile("batch", text)
assertThrows[IndexOutOfBoundsException] {
f.lineToOffset(3)
}
assertEquals(4, f.lineToOffset(2))
val p = Position.offset(f, text.length - 1)
val q = Position.offset(f, f.lineToOffset(p.line - 1))
assertEquals(p.line, q.line)
assertEquals(p.column, q.column + 1)
assertThrows[IndexOutOfBoundsException] {
Position.offset(f, f.lineToOffset(p.line))
}
}
}
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