From fdf5354eef3d2a75458cf646c00616ca39a4e56b Mon Sep 17 00:00:00 2001
From: Felix Mulder <felix.mulder@gmail.com>
Date: Tue, 17 May 2016 14:54:53 +0200
Subject: Add switch verification test

---
 test/test/DottyBytecodeTest.scala | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'test/test/DottyBytecodeTest.scala')

diff --git a/test/test/DottyBytecodeTest.scala b/test/test/DottyBytecodeTest.scala
index 6b39116f8..3814b03bd 100644
--- a/test/test/DottyBytecodeTest.scala
+++ b/test/test/DottyBytecodeTest.scala
@@ -94,6 +94,22 @@ trait DottyBytecodeTest extends DottyTest {
   }
 
   /**************************** Comparison Methods ****************************/
+  def verifySwitch(method: MethodNode, shouldFail: Boolean = false, debug: Boolean = false): Boolean = {
+    val instructions = instructionsFromMethod(method)
+
+    val succ = instructions
+      .collect {
+        case x: TableSwitch  => x
+        case x: LookupSwitch => x
+      }
+      .length > 0
+
+    if (debug || !succ && !shouldFail || succ && shouldFail)
+      instructions.foreach(Console.err.println)
+
+    succ
+  }
+
   def sameBytecode(methA: MethodNode, methB: MethodNode) = {
     val isa = instructionsFromMethod(methA)
     val isb = instructionsFromMethod(methB)
-- 
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