Add unsafeNulls imports to testing code

Author: noti0na1

compiler/test/debug/Gen.scala

@@ -1,3 +1,5 @@
+import scala.language.unsafeNulls
+
 import scala.io.Source
 import scala.collection.mutable.ListBuffer
 import scala.util.Using

compiler/test/dotty/Properties.scala

@@ -1,5 +1,7 @@
 package dotty
 
+import scala.language.unsafeNulls
+
 import java.nio.file._
 
 /** Runtime properties from defines or environmnent */

compiler/test/dotty/tools/DottyTest.scala

@@ -1,6 +1,8 @@
 package dotty
 package tools
 
+import scala.language.unsafeNulls
+
 import vulpix.TestConfiguration
 
 import dotc.core._

compiler/test/dotty/tools/DottyTypeStealer.scala

@@ -1,5 +1,7 @@
 package dotty.tools
 
+import scala.language.unsafeNulls
+
 import dotc.ast.tpd
 import dotc.ast.tpd._
 import dotc.core.Contexts.{Context, atPhase}

compiler/test/dotty/tools/TestSources.scala

@@ -1,5 +1,7 @@
 package dotty.tools
 
+import scala.language.unsafeNulls
+
 import java.io.File
 import java.nio.file._
 

compiler/test/dotty/tools/backend/jvm/AsmConverters.scala

@@ -1,5 +1,7 @@
 package dotty.tools.backend.jvm
 
+import scala.language.unsafeNulls
+
 import scala.tools.asm
 import asm._
 import asm.tree._

compiler/test/dotty/tools/backend/jvm/AsmNode.scala

@@ -1,5 +1,7 @@
 package dotty.tools.backend.jvm
 
+import scala.language.unsafeNulls
+
 import java.lang.reflect.Modifier
 import scala.tools.asm
 import asm._

compiler/test/dotty/tools/backend/jvm/DottyBytecodeTest.scala

@@ -2,6 +2,8 @@ package dotty
 package tools
 package backend.jvm
 
+import scala.language.unsafeNulls
+
 import vulpix.TestConfiguration
 
 import dotc.core.Contexts.{Context, ContextBase, ctx}

compiler/test/dotty/tools/backend/jvm/DottyBytecodeTests.scala

@@ -1,5 +1,7 @@
 package dotty.tools.backend.jvm
 
+import scala.language.unsafeNulls
+
 import org.junit.Assert._
 import org.junit.Test
 

compiler/test/dotty/tools/backend/jvm/InlineBytecodeTests.scala

@@ -1,5 +1,7 @@
 package dotty.tools.backend.jvm
 
+import scala.language.unsafeNulls
+
 import org.junit.Assert._
 import org.junit.Test
 

compiler/test/dotty/tools/backend/jvm/StringConcatTest.scala

@@ -122,7 +122,7 @@ class StringConcatTest extends DottyBytecodeTest {
            chsq: java.lang.CharSequence,
            chrs: Array[Char]) = {
       val s1 = str + obj + v + z + c + b + s + i + f + l + d + sbuf + chsq + chrs
-      val s2 = String.valueOf(obj) + str + v + z + c + b + s + i + f + l + d + sbuf + chsq + chrs
+      val s2 = String.valueOf(obj).nn + str + v + z + c + b + s + i + f + l + d + sbuf + chsq + chrs
       s1 + "//" + s2
     }
     def sbuf = { val r = new java.lang.StringBuffer(); r.append("sbuf"); r }

compiler/test/dotty/tools/compilerSupport.scala

@@ -1,5 +1,7 @@
 package dotty.tools
 
+import scala.language.unsafeNulls
+
 import javax.tools._
 import java.io._
 import java.nio.file._

compiler/test/dotty/tools/dotc/BootstrappedOnlyCompilationTests.scala

@@ -2,6 +2,8 @@ package dotty
 package tools
 package dotc
 
+import scala.language.unsafeNulls
+
 import org.junit.{ Test, BeforeClass, AfterClass }
 import org.junit.Assert._
 import org.junit.Assume._

compiler/test/dotty/tools/dotc/CompilationTests.scala

@@ -2,6 +2,8 @@ package dotty
 package tools
 package dotc
 
+import scala.language.unsafeNulls
+
 import org.junit.{ Test, BeforeClass, AfterClass }
 import org.junit.Assert._
 import org.junit.Assume._

compiler/test/dotty/tools/dotc/ConstantFoldingTests.scala

@@ -1,5 +1,7 @@
 package dotty.tools.dotc
 
+import scala.language.unsafeNulls
+
 import org.junit.Assert._
 import org.junit.Test
 import dotty.tools.backend.jvm._

compiler/test/dotty/tools/dotc/FromTastyTests.scala

@@ -2,6 +2,8 @@ package dotty
 package tools
 package dotc
 
+import scala.language.unsafeNulls
+
 import org.junit.{AfterClass, Test}
 import vulpix._
 

compiler/test/dotty/tools/dotc/IdempotencyTests.scala

@@ -2,6 +2,8 @@ package dotty
 package tools
 package dotc
 
+import scala.language.unsafeNulls
+
 import java.io.{File => JFile}
 import java.nio.file.{Files, Path, Paths}
 

compiler/test/dotty/tools/dotc/InterfaceEntryPointTest.scala

@@ -1,6 +1,8 @@
 package dotty
 package tools.dotc
 
+import scala.language.unsafeNulls
+
 import org.junit.Test
 import org.junit.Assert._
 import org.junit.experimental.categories.Category

compiler/test/dotty/tools/dotc/ScalaCommandTest.scala

@@ -1,5 +1,7 @@
 package dotty.tools.dotc
 
+import scala.language.unsafeNulls
+
 import org.junit.Test
 import org.junit.Assert._
 import org.junit.Rule

compiler/test/dotty/tools/dotc/SettingsTests.scala

@@ -1,6 +1,8 @@
 package dotty.tools
 package dotc
 
+import scala.language.unsafeNulls
+
 import reporting.StoreReporter
 import vulpix.TestConfiguration
 

compiler/test/dotty/tools/dotc/TastyBootstrapTests.scala

@@ -2,6 +2,8 @@ package dotty
 package tools
 package dotc
 
+import scala.language.unsafeNulls
+
 import org.junit.{ Test, BeforeClass, AfterClass }
 import org.junit.Assert._
 import org.junit.Assume._

compiler/test/dotty/tools/dotc/TastyHashTest.scala

@@ -19,7 +19,7 @@ class TastyHashTest {
     testHash(0X202020202L, Array(2, 2, 2, 2, 2))
     testHash(0X1010101L, Array.fill(1024)(1))
     testHash(0xaafefeaaab54ffL, Array.tabulate(1024)(_.toByte))
-    testHash(0x34545c16020230L, "abcdefghijklmnopqrstuvwxyz1234567890".getBytes)
+    testHash(0x34545c16020230L, "abcdefghijklmnopqrstuvwxyz1234567890".getBytes.nn)
   }
 
   def testHash(expected: Long, arr: Array[Byte]): Unit = {

compiler/test/dotty/tools/dotc/classpath/MultiReleaseJarTest.scala

@@ -1,5 +1,7 @@
 package dotty.tools.dotc.classpath
 
+import scala.language.unsafeNulls
+
 import dotty.tools.dotc.core.Contexts.Context
 
 import java.io.{ByteArrayOutputStream, IOException}

compiler/test/dotty/tools/dotc/classpath/ZipAndJarFileLookupFactoryTest.scala

@@ -1,5 +1,7 @@
 package dotty.tools.dotc.classpath
 
+import scala.language.unsafeNulls
+
 import org.junit.Test
 import java.nio.file._
 import java.nio.file.attribute.FileTime

compiler/test/dotty/tools/dotc/config/CommandLineParserTest.scala

@@ -1,6 +1,8 @@
 
 package dotty.tools.dotc.config
 
+import scala.language.unsafeNulls
+
 import org.junit.Assert.{assertEquals, assertTrue}
 import org.junit.Test
 

compiler/test/dotty/tools/dotc/core/tasty/CommentPicklingTest.scala

@@ -1,5 +1,7 @@
 package dotty.tools.dotc.core.tasty
 
+import scala.language.unsafeNulls
+
 import dotty.tools.dotc.ast.tpd
 import dotty.tools.dotc.ast.tpd.TreeOps
 import dotty.tools.dotc.{Driver, Main}

compiler/test/dotty/tools/dotc/core/tasty/PathPicklingTest.scala

@@ -1,5 +1,7 @@
 package dotty.tools.dotc.core.tasty
 
+import scala.language.unsafeNulls
+
 import java.io.{File => JFile, ByteArrayOutputStream, IOException}
 import java.nio.file.{Files, NoSuchFileException, Paths}
 

compiler/test/dotty/tools/dotc/plugins/PluginsTest.scala

@@ -1,5 +1,7 @@
 package dotty.tools.dotc.plugins
 
+import scala.language.unsafeNulls
+
 import org.junit.Test
 
 import dotty.tools.dotc._

compiler/test/dotty/tools/dotc/printing/PrintingTest.scala

@@ -2,6 +2,8 @@ package dotty
 package tools
 package dotc
 
+import scala.language.unsafeNulls
+
 import vulpix.FileDiff
 import vulpix.TestConfiguration
 import vulpix.TestConfiguration

compiler/test/dotty/tools/dotc/printing/SyntaxHighlightingTests.scala

@@ -1,5 +1,7 @@
 package dotty.tools.dotc.printing
 
+import scala.language.unsafeNulls
+
 import dotty.tools.DottyTest
 import org.junit.Assert._
 import org.junit.{Ignore, Test}

compiler/test/dotty/tools/dotc/reporting/ErrorMessagesTest.scala

@@ -2,6 +2,8 @@ package dotty.tools
 package dotc
 package reporting
 
+import scala.language.unsafeNulls
+
 import core.Contexts.Context
 import org.junit.Assert._
 

compiler/test/dotty/tools/dotc/reporting/TestReporter.scala

@@ -2,6 +2,8 @@ package dotty.tools
 package dotc
 package reporting
 
+import scala.language.unsafeNulls
+
 import java.io.{ PrintStream, PrintWriter, File => JFile, FileOutputStream, StringWriter }
 import java.text.SimpleDateFormat
 import java.util.Date

compiler/test/dotty/tools/dotc/semanticdb/SemanticdbTests.scala

@@ -1,5 +1,7 @@
 package dotty.tools.dotc.semanticdb
 
+import scala.language.unsafeNulls
+
 import java.net.URLClassLoader
 import java.util.regex.Pattern
 import java.io.File

compiler/test/dotty/tools/dotc/transform/PatmatExhaustivityTest.scala

@@ -3,6 +3,8 @@ package tools
 package dotc
 package transform
 
+import scala.language.unsafeNulls
+
 import vulpix.FileDiff
 import vulpix.TestConfiguration
 import reporting.TestReporter
@@ -33,7 +35,7 @@ class PatmatExhaustivityTest {
         e.printStackTrace(printWriter)
     }
 
-    stringBuffer.toString.trim.replaceAll("\\s+\n", "\n") match {
+    stringBuffer.toString.trim.nn.replaceAll("\\s+\n", "\n") match {
       case "" => Nil
       case s  => s.linesIterator.toSeq
     }

compiler/test/dotty/tools/dotc/transform/SpecializeFunctionsTests.scala

@@ -2,6 +2,8 @@ package dotty.tools
 package dotc
 package transform
 
+import scala.language.unsafeNulls
+
 import org.junit.Test
 
 import dotty.tools.backend.jvm.DottyBytecodeTest

compiler/test/dotty/tools/dotc/util/DiffUtilTests.scala

@@ -1,5 +1,7 @@
 package dotty.tools.dotc.util
 
+import scala.language.unsafeNulls
+
 import org.junit.Assert._
 import org.junit.Test
 

compiler/test/dotty/tools/dotc/util/StackTraceTest.scala

@@ -1,6 +1,8 @@
 
 package dotty.tools.dotc.util
 
+import scala.language.unsafeNulls
+
 import scala.util.{Failure, Success, Try}
 import scala.util.chaining.given
 

compiler/test/dotty/tools/io/AbstractFileTest.scala

@@ -1,5 +1,7 @@
 package dotty.tools.io
 
+import scala.language.unsafeNulls
+
 import org.junit.Test
 
 import dotty.tools.io.AbstractFile

compiler/test/dotty/tools/io/ClasspathTest.scala

@@ -1,5 +1,7 @@
 package dotty.tools.io
 
+import scala.language.unsafeNulls
+
 import org.junit.Test
 
 import java.io.File
@@ -29,9 +31,9 @@ class ClasspathTest {
           for src <- libjarFiles do
             val dest = Paths.get(s"$outDir/${src.getName}")
             printf("copy: %s\n", Files.copy(src.toPath, dest))
-        
+
           val cp = Seq(s"$outDir/*", "not-a-real-directory/*").mkString(pathsep).replace('\\', '/')
-         
+
           val libjars = libjarFiles.map { _.getName }.toSet
 
           // expand wildcard classpath entries, ignoring invalid entries

compiler/test/dotty/tools/io/ZipArchiveTest.scala

@@ -1,5 +1,7 @@
 package dotty.tools.io
 
+import scala.language.unsafeNulls
+
 import java.io.IOException
 import java.net.{URI, URL, URLClassLoader}
 import java.nio.file.{Files, Path, Paths}

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

@@ -1,5 +1,7 @@
 package dotty.tools.repl
 
+import scala.language.unsafeNulls
+
 import org.junit.Assert.*
 import org.junit.Test
 

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

@@ -1,6 +1,8 @@
 package dotty.tools
 package repl
 
+import scala.language.unsafeNulls
+
 import org.junit.Test
 import org.junit.Assert.assertEquals
 

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

@@ -1,5 +1,7 @@
 package dotty.tools.repl
 
+import scala.language.unsafeNulls
+
 import java.nio.file.{Path, Files}
 import java.util.Comparator
 import java.util.regex.Pattern

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

@@ -1,5 +1,7 @@
 package dotty.tools.repl
 
+import scala.language.unsafeNulls
+
 import java.util.regex.Pattern
 
 import org.junit.Assert.{assertTrue => assert, _}

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

@@ -1,6 +1,8 @@
 package dotty.tools
 package repl
 
+import scala.language.unsafeNulls
+
 import vulpix.TestConfiguration
 import vulpix.FileDiff