JUnit tests for dead code elimination.

JUnit tests may use tools from partest-extras (ASMConverters)

1 files changed, 27 insertions, 0 deletions

diff --git a/test/junit/scala/tools/nsc/backend/jvm/CodeGenTools.scala b/test/junit/scala/tools/nsc/backend/jvm/CodeGenTools.scala
new file mode 100644
index 0000000000..256dff85c3
--- /dev/null
+++ b/test/junit/scala/tools/nsc/backend/jvm/CodeGenTools.scala
@@ -0,0 +1,27 @@
+package scala.tools.nsc.backend.jvm
+
+import scala.tools.asm.Opcodes
+import scala.tools.asm.tree.{AbstractInsnNode, LabelNode, ClassNode, MethodNode}
+import scala.tools.partest.ASMConverters
+import scala.collection.JavaConverters._
+
+object CodeGenTools {
+  import ASMConverters._
+
+  def genMethod( flags: Int = Opcodes.ACC_PUBLIC,
+                 name: String = "m",
+                 descriptor: String = "()V",
+                 genericSignature: String = null,
+                 throwsExceptions: Array[String] = null)(body: Instruction*): MethodNode = {
+    val node = new MethodNode(flags, name, descriptor, genericSignature, throwsExceptions)
+    applyToMethod(node, body.toList)
+    node
+  }
+
+  def wrapInClass(method: MethodNode): ClassNode = {
+    val cls = new ClassNode()
+    cls.visit(Opcodes.V1_6, Opcodes.ACC_PUBLIC, "C", null, "java/lang/Object", null)
+    cls.methods.add(method)
+    cls
+  }
+}