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/** Adapted from https://github.com/sbt/sbt/blob/0.13/compile/interface/src/test/scala/xsbt/ExtractAPISpecification.scala */
package xsbt
import org.junit.runner.RunWith
import xsbti.api.ClassLike
import xsbti.api.Def
import xsbt.api.ShowAPI
import org.specs2.mutable.Specification
import org.specs2.runner.JUnitRunner
@RunWith(classOf[JUnitRunner])
class ExtractAPISpecification extends Specification {
"Existential types in method signatures" should {
"have stable names" in { stableExistentialNames }
}
def stableExistentialNames: Boolean = {
def compileAndGetFooMethodApi(src: String): Def = {
val compilerForTesting = new ScalaCompilerForUnitTesting
val sourceApi = compilerForTesting.extractApiFromSrc(src)
val FooApi = sourceApi.definitions().find(_.name() == "Foo").get.asInstanceOf[ClassLike]
val fooMethodApi = FooApi.structure().declared().find(_.name == "foo").get
fooMethodApi.asInstanceOf[Def]
}
val src1 = """
|class Box[T]
|class Foo {
| def foo: Box[_] = null
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}""".stripMargin
val fooMethodApi1 = compileAndGetFooMethodApi(src1)
val src2 = """
|class Box[T]
|class Foo {
| def bar: Box[_] = null
| def foo: Box[_] = null
|
}""".stripMargin
val fooMethodApi2 = compileAndGetFooMethodApi(src2)
fooMethodApi1 == fooMethodApi2
// Fails because xsbt.api is compiled with Scala 2.10
// SameAPI.apply(fooMethodApi1, fooMethodApi2)
}
}
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