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


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package dotty.tools.backend.jvm

import org.junit.Assert._
import org.junit.Test

class InlineBytecodeTests extends DottyBytecodeTest {
  import ASMConverters._
  @Test def inlineUnit = {
    val source = """
                 |class Foo {
                 |  inline def foo: Int = 1
                 |
                 |  def meth1: Unit = foo
                 |  def meth2: Unit = 1
                 |}
                 """.stripMargin

    checkBCode(source) { dir =>
      val clsIn      = dir.lookupName("Foo.class", directory = false).input
      val clsNode    = loadClassNode(clsIn)
      val meth1       = getMethod(clsNode, "meth1")
      val meth2       = getMethod(clsNode, "meth2")

      val instructions1 = instructionsFromMethod(meth1)
      val instructions2 = instructionsFromMethod(meth2)

      assert(instructions1 == instructions2,
        "`foo` was not properly inlined in `meth1`\n" +
        diffInstructions(instructions1, instructions2))
    }
  }
}