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package scala.tools.nsc
package backend.jvm
package opt
import org.junit.Assert._
import org.junit.Test
import org.junit.runner.RunWith
import org.junit.runners.JUnit4
import scala.collection.JavaConverters._
import scala.collection.generic.Clearable
import scala.tools.nsc.backend.jvm.BTypes.MethodInlineInfo
import scala.tools.nsc.backend.jvm.BackendReporting._
import scala.tools.testing.BytecodeTesting
@RunWith(classOf[JUnit4])
class InlineInfoTest extends BytecodeTesting {
import compiler._
import global.genBCode.bTypes
override def compilerArgs = "-opt:l:classpath"
def notPerRun: List[Clearable] = List(
bTypes.classBTypeFromInternalName,
bTypes.byteCodeRepository.compilingClasses,
bTypes.byteCodeRepository.parsedClasses)
notPerRun foreach global.perRunCaches.unrecordCache
def compile(code: String) = {
notPerRun.foreach(_.clear())
compiler.compileClasses(code)
}
@Test
def inlineInfosFromSymbolAndAttribute(): Unit = {
val code =
"""trait T {
| @inline def f: Int
| @noinline final def g = 0
|}
|trait U { self: T =>
| @inline def f = 0
| final def h = 0
| final class K {
| @inline def i = 0
| }
|}
|sealed trait V {
| @inline def j = 0
|}
|class C extends T with U
""".stripMargin
val classes = compile(code)
val fromSyms = classes.map(c => global.genBCode.bTypes.classBTypeFromInternalName(c.name).info.get.inlineInfo)
val fromAttrs = classes.map(c => {
assert(c.attrs.asScala.exists(_.isInstanceOf[InlineInfoAttribute]), c.attrs)
global.genBCode.bTypes.inlineInfoFromClassfile(c)
})
assert(fromSyms == fromAttrs)
}
@Test // scala-dev#20
def javaStaticMethodsInlineInfoInMixedCompilation(): Unit = {
val jCode =
"""public class A {
| public static final int bar() { return 100; }
| public final int baz() { return 100; }
|}
""".stripMargin
compileClasses("class C { new A }", javaCode = List((jCode, "A.java")))
val info = global.genBCode.bTypes.classBTypeFromInternalName("A").info.get.inlineInfo
assertEquals(info.methodInfos, Map(
"bar()I" -> MethodInlineInfo(true,false,false),
"<init>()V" -> MethodInlineInfo(false,false,false),
"baz()I" -> MethodInlineInfo(true,false,false)))
}
}
|
