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author | liu fengyun <liufengyunchina@gmail.com> | 2016-07-21 10:45:14 +0200 |
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committer | liu fengyun <liufengyunchina@gmail.com> | 2016-08-24 10:26:59 +0200 |
commit | cc02243fbe8b7290265e1bdf540e4c2f256df199 (patch) | |
tree | bd83dcabb8de09fa48b9373b9431ef8c481da5ed /tests/patmat/t9657.scala | |
parent | 1a7618f32c6d8060c3a87ce633645440d500aa7a (diff) | |
download | dotty-cc02243fbe8b7290265e1bdf540e4c2f256df199.tar.gz dotty-cc02243fbe8b7290265e1bdf540e4c2f256df199.tar.bz2 dotty-cc02243fbe8b7290265e1bdf540e4c2f256df199.zip |
add test set for exhaustivity and redundancy check
Diffstat (limited to 'tests/patmat/t9657.scala')
-rw-r--r-- | tests/patmat/t9657.scala | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/tests/patmat/t9657.scala b/tests/patmat/t9657.scala new file mode 100644 index 000000000..f9769574e --- /dev/null +++ b/tests/patmat/t9657.scala @@ -0,0 +1,62 @@ +sealed trait PowerSource + +case object Petrol extends PowerSource + +case object Pedal extends PowerSource + +sealed abstract class Vehicle { + type A <: PowerSource +} + +case object Bicycle extends Vehicle { + type A = Pedal.type +} + +case class Bus(fuel: Int) extends Vehicle { + type A = Petrol.type +} + +case class Car(fuel: Int) extends Vehicle { + type A = Petrol.type +} + +class Test { + def refuel[P <: Petrol.type](vehicle: Vehicle {type A = P} ): Vehicle = vehicle match { + case Car(_) => Car(100) + case Bus(_) => Bus(100) + } + + def refuel2[P <: Petrol.type](vehicle: Vehicle {type A = P} ): Vehicle = vehicle match { + case Car(_) => Car(100) + } + + def foo1(vehicle: Vehicle {type A <: Petrol.type} ): Vehicle = vehicle match { + case Car(_) => Car(100) + case Bus(_) => Bus(100) + } + + def foo2(vehicle: Vehicle {type A <: Petrol.type} ): Vehicle = vehicle match { + case Car(_) => Car(100) + } + + type P = Petrol.type + + def bar1(vehicle: Vehicle {type A <: P} ): Vehicle = vehicle match { + case Car(_) => Car(100) + case Bus(_) => Bus(100) + } + + def bar2(vehicle: Vehicle {type A <: P} ): Vehicle = vehicle match { + case Car(_) => Car(100) + } + + def qux1[P <: Petrol.type](vehicle: Vehicle {type A <: P} ): Vehicle = vehicle match { + case Car(_) => Car(100) + case Bus(_) => Bus(100) + } + + def qux2[P <: Petrol.type](vehicle: Vehicle {type A <: P} ): Vehicle = vehicle match { + case Car(_) => Car(100) + } + +} |