From 2bf399c240938ba51069348f986fa5d65135a808 Mon Sep 17 00:00:00 2001
From: chick
Date: Thu, 1 Aug 2019 17:04:45 -0700
Subject: Followup to PR #1142 - use scala.io.Source instead of io.Source -
 .toList cleaner way to force stream to be read. - clear old commented out
 code in ProtoBufSpec

---
 src/main/scala/firrtl/FileUtils.scala         | 15 ++++++++-------
 src/test/scala/firrtlTests/ProtoBufSpec.scala |  6 ------
 2 files changed, 8 insertions(+), 13 deletions(-)

(limited to 'src')

diff --git a/src/main/scala/firrtl/FileUtils.scala b/src/main/scala/firrtl/FileUtils.scala
index 74919f20..1007eb2a 100644
--- a/src/main/scala/firrtl/FileUtils.scala
+++ b/src/main/scala/firrtl/FileUtils.scala
@@ -98,7 +98,7 @@ object FileUtils {
     * @param fileName The file to read
     */
   def getLines(fileName: String): Seq[String] = {
-    val source = io.Source.fromFile(fileName)
+    val source = scala.io.Source.fromFile(fileName)
     val lines = source.getLines()
     source.close()
     lines.toSeq
@@ -110,7 +110,7 @@ object FileUtils {
     * @param file a java File to be read
     */
   def getLines(file: File): Seq[String] = {
-    val source = io.Source.fromFile(file)
+    val source = scala.io.Source.fromFile(file)
     val lines = source.getLines()
     source.close()
     lines.toSeq
@@ -122,7 +122,7 @@ object FileUtils {
     * @param fileName The file to read
     */
   def getText(fileName: String): String = {
-    val source = io.Source.fromFile(fileName)
+    val source = scala.io.Source.fromFile(fileName)
     val text = source.mkString
     source.close()
     text
@@ -134,7 +134,7 @@ object FileUtils {
     * @param file a java File to be read
     */
   def getText(file: File): String = {
-    val source = io.Source.fromFile(file)
+    val source = scala.io.Source.fromFile(file)
     val text = source.mkString
     source.close()
     text
@@ -148,8 +148,9 @@ object FileUtils {
     */
   def getLinesResource(resourceName: String): Seq[String] = {
     val inputStream = getClass.getResourceAsStream(resourceName)
-    val text = io.Source.fromInputStream(inputStream).getLines().toSeq
-    text.length  // This forces lazy buffer to reify, please suggest a better solution
+    // the .toList at the end is critical to force stream to be read.
+    // Without it the lazy evaluation can cause failure in MultiThreadingSpec
+    val text = scala.io.Source.fromInputStream(inputStream).getLines().toList
     inputStream.close()
     text
   }
@@ -162,7 +163,7 @@ object FileUtils {
     */
   def getTextResource(resourceName: String): String = {
     val inputStream = getClass.getResourceAsStream(resourceName)
-    val text = io.Source.fromInputStream(inputStream).mkString
+    val text = scala.io.Source.fromInputStream(inputStream).mkString
     inputStream.close()
     text
   }
diff --git a/src/test/scala/firrtlTests/ProtoBufSpec.scala b/src/test/scala/firrtlTests/ProtoBufSpec.scala
index 3d46e291..526a194c 100644
--- a/src/test/scala/firrtlTests/ProtoBufSpec.scala
+++ b/src/test/scala/firrtlTests/ProtoBufSpec.scala
@@ -2,8 +2,6 @@
 
 package firrtlTests
 
-import java.io.{ByteArrayInputStream, ByteArrayOutputStream}
-
 import firrtl.FirrtlProtos.Firrtl
 import firrtl._
 import firrtl.ir._
@@ -30,10 +28,6 @@ class ProtoBufSpec extends FirrtlFlatSpec {
 
   for (FirrtlResourceTest(name, dir) <- firrtlResourceTests) {
     s"$name" should "work with Protobuf serialization and deserialization" in {
-//      val stream = getClass.getResourceAsStream(s"$dir/$name.fir")
-//      val circuit = parse(scala.io.Source.fromInputStream(stream).getLines.mkString("\n"))
-//      stream.close()
-
       val circuit = parse(FileUtils.getTextResource(s"$dir/$name.fir"))
 
       // Test ToProto and FromProto
-- 
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