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import scala.tools.partest.BytecodeTest
import scala.tools.asm
import asm.tree.InsnList
import scala.collection.JavaConverters._
object Test extends BytecodeTest {
def show: Unit = {
val classNode = loadClassNode("Foo_1")
val methodNode = getMethod(classNode, "foo")
assert(count(methodNode.instructions, asm.Opcodes.NOP) == 0)
assert(count(methodNode.instructions, asm.Opcodes.GOTO) == 1)
}
def count(insnList: InsnList, opcode: Int): Int = {
def isNop(node: asm.tree.AbstractInsnNode): Boolean =
(node.getOpcode == opcode)
insnList.iterator.asScala.count(isNop)
}
}
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