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author | Eugene Burmako <xeno.by@gmail.com> | 2012-04-22 18:49:09 +0200 |
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committer | Eugene Burmako <xeno.by@gmail.com> | 2012-04-23 17:55:26 +0200 |
commit | f54e5c8bbdd719b5c9375c64c2f66b841984456e (patch) | |
tree | 975475778e6102c8f2dbbff0f25a2f114204cbbb /test/files/run/reflection-implClass-old.scala | |
parent | 0f0144c74088e396fc1440166bed5a7c6d5f44f4 (diff) | |
download | scala-f54e5c8bbdd719b5c9375c64c2f66b841984456e.tar.gz scala-f54e5c8bbdd719b5c9375c64c2f66b841984456e.tar.bz2 scala-f54e5c8bbdd719b5c9375c64c2f66b841984456e.zip |
resurrects manifests in their pre-2.10 glory
Diffstat (limited to 'test/files/run/reflection-implClass-old.scala')
-rw-r--r-- | test/files/run/reflection-implClass-old.scala | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/test/files/run/reflection-implClass-old.scala b/test/files/run/reflection-implClass-old.scala new file mode 100644 index 0000000000..6583624d8b --- /dev/null +++ b/test/files/run/reflection-implClass-old.scala @@ -0,0 +1,38 @@ +/** + * Tries to load a symbol for the `Foo$class` using Scala reflection. + * Since trait implementation classes do not get pickling information + * symbol for them should be created using fallback mechanism + * that exposes Java reflection information dressed up in + * a Scala symbol. + */ +object Test extends App with Outer { + import scala.reflect.mirror + + assert(mirror.classToSymbol(manifest[Foo].erasure).typeSignature.declaration(mirror.newTermName("bar")).typeSignature == + mirror.classToSymbol(manifest[Bar].erasure).typeSignature.declaration(mirror.newTermName("foo")).typeSignature) + + val s1 = implClass(manifest[Foo].erasure) + assert(s1 != mirror.NoSymbol) + assert(s1.typeSignature != mirror.NoType) + assert(s1.companionSymbol.typeSignature != mirror.NoType) + assert(s1.companionSymbol.typeSignature.declaration(mirror.newTermName("bar")) != mirror.NoSymbol) + val s2 = implClass(manifest[Bar].erasure) + assert(s2 != mirror.NoSymbol) + assert(s2.typeSignature != mirror.NoType) + assert(s2.companionSymbol.typeSignature != mirror.NoType) + assert(s2.companionSymbol.typeSignature.declaration(mirror.newTermName("foo")) != mirror.NoSymbol) + def implClass(clazz: Class[_]) = { + val implClass = Class.forName(clazz.getName + "$class") + mirror.classToSymbol(implClass) + } +} + +trait Foo { + def bar = 1 +} + +trait Outer { + trait Bar { + def foo = 1 + } +} |