Fix #8355: REPL tests : fix for two tests failing on Windows

compiler/test/dotty/tools/repl/LoadTests.scala

@@ -1,13 +1,14 @@
 package dotty.tools.repl
 
-import java.nio.file.{ Path, Files }
+import java.nio.file.{Path, Files}
 import java.util.Comparator
+import java.util.regex.Pattern
 
-import org.junit.{ Test, BeforeClass, AfterClass }
+import org.junit.{Test, BeforeClass, AfterClass}
 import org.junit.Assert.assertEquals
 
 class LoadTests extends ReplTest {
-  import LoadTests._
+  import LoadTests._, ReplCompilerTests._
 
   @Test def helloworld = loadTest(
     file    = """|def helloWorld = "Hello, World!"
@@ -55,9 +56,9 @@ class LoadTests extends ReplTest {
 
   def loadTest(file: String, defs: String, runCode: String, output: String) =
     eval(s":load ${writeFile(file)}").andThen { implicit s =>
-      assertEquals(defs, storedOutput())
+      assertMultiLineEquals(defs, storedOutput())
       run(runCode)
-      assertEquals(output, storedOutput())
+      assertMultiLineEquals(output, storedOutput())
     }
 
   private def eval(code: String): State =

compiler/test/dotty/tools/repl/ReplCompilerTests.scala

@@ -1,9 +1,12 @@
 package dotty.tools.repl
 
+import java.util.regex.Pattern
+
 import org.junit.Assert.{assertTrue => assert, _}
 import org.junit.{Ignore, Test}
 
 class ReplCompilerTests extends ReplTest {
+  import ReplCompilerTests._
 
   private def lines() =
     storedOutput().trim.linesIterator.toList
@@ -157,7 +160,7 @@ class ReplCompilerTests extends ReplTest {
         |}
       """.stripMargin) }
     .andThen         { implicit state =>
-      assertEquals(
+      assertMultiLineEquals(
         """// defined trait Ord
           |// defined object IntOrd""".stripMargin,
         storedOutput().trim
@@ -173,11 +176,24 @@ class ReplCompilerTests extends ReplTest {
 
   @Test def testSingletonPrint = fromInitialState { implicit state =>
     run("""val a = "hello"; val x: a.type = a""")
-    assertEquals("val a: String = hello\nval x: a.type = hello", storedOutput().trim)
+    assertMultiLineEquals("val a: String = hello\nval x: a.type = hello", storedOutput().trim)
   }
 
   @Test def i6574 = fromInitialState { implicit state =>
     run("val a: 1 | 0 = 1")
     assertEquals("val a: 1 | 0 = 1", storedOutput().trim)
   }
 }
+
+object ReplCompilerTests {
+
+  private val pattern = Pattern.compile("\\r[\\n]?|\\n");
+
+  // Ensure 'expected' and 'actual' contain the same line separator(s).
+  def assertMultiLineEquals(expected: String, actual: String): Unit = {
+    val expected0 = pattern.matcher(expected).replaceAll(System.lineSeparator)
+    val actual0 = pattern.matcher(actual).replaceAll(System.lineSeparator)
+    assertEquals(expected0, actual0)
+  }
+
+}