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Diffstat (limited to 'test/files/scalacheck/quasiquotes/ErrorProps.scala')
| -rw-r--r-- | test/files/scalacheck/quasiquotes/ErrorProps.scala | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/test/files/scalacheck/quasiquotes/ErrorProps.scala b/test/files/scalacheck/quasiquotes/ErrorProps.scala new file mode 100644 index 0000000000..044a332a04 --- /dev/null +++ b/test/files/scalacheck/quasiquotes/ErrorProps.scala @@ -0,0 +1,199 @@ +import org.scalacheck._ +import Prop._ +import Gen._ +import Arbitrary._ + +import scala.reflect.runtime.universe._ +import Flag._ + +object ErrorProps extends QuasiquoteProperties("errors") { + property("can't extract two .. cardinalities in a row") = fails( + "Can't extract with .. here", + """ + val xs = List(q"x1", q"x2") + val q"f(..$xs1, ..$xs2)" = xs + """) + + property("can't splice with given cardinality") = fails( + "Can't splice List[reflect.runtime.universe.Ident], consider using ..", + """ + val xs = List(q"x", q"x") + q"$xs" + """) + + property("splice typename into typedef with default bounds") = fails( + "reflect.runtime.universe.Name expected but reflect.runtime.universe.TypeDef found", + """ + val T1 = TypeName("T1") + val T2 = q"type T" + val t = EmptyTree + q"type $T1[$T2 >: _root_.scala.Any <: _root_.scala.Nothing] = $t" ≈ + TypeDef(Modifiers(), T1, List(T2), t) + """) + + property("can't splice annotations with ... cardinality") = fails( + "Can't splice with ... here", + """ + val annots = List(List(q"Foo")) + q"@...$annots def foo" + """) + + property("@..$first @$rest def foo") = fails( + "Can't extract with .. here", + """ + val a = annot("a") + val b = annot("b") + val c = annot("c") + val q"@..$first @$rest def foo" = q"@$a @$b @$c def foo" + """) + + property("only literal string arguments") = fails( + "Quasiquotes can only be used with literal strings", + """ + val s: String = "foo" + StringContext(s).q() + """) + + property("don't know how to splice inside of strings") = fails( + "Don't know how to splice here", + """ + val x: Tree = EmptyTree + StringContext("\"", "\"").q(x) + """) + + property("expected different cardinality") = fails( + "Can't splice List[reflect.runtime.universe.Tree] with ..., consider using ..", + """ + val args: List[Tree] = Nil + q"f(...$args)" + """) + + property("non-liftable type ..") = fails( + "Can't splice List[StringBuilder] with .., consider omitting the dots or providing an implicit instance of Liftable[StringBuilder]", + """ + import java.lang.StringBuilder + val bazs = List(new StringBuilder) + q"f(..$bazs)" + """) + + property("non-liftable type ...") = fails( + "Can't splice List[List[StringBuilder]] with .., consider using ... or providing an implicit instance of Liftable[StringBuilder]", + """ + import java.lang.StringBuilder + val bazs = List(List(new StringBuilder)) + q"f(..$bazs)" + """) + + property("use .. card or provide liftable") = fails( + "Can't splice List[StringBuilder], consider using .. or providing an implicit instance of Liftable[List[StringBuilder]]", + """ + import java.lang.StringBuilder + val lst: List[StringBuilder] = Nil + q"f($lst)" + """) + + property("use ... card or provide liftable") = fails( + "Can't splice List[List[reflect.runtime.universe.Ident]], consider using ...", + """ + val xs = List(List(q"x", q"x")) + q"$xs" + """) + + property("use zero card") = fails( + "Can't splice reflect.runtime.universe.Tree with .., consider omitting the dots", + """ + val t = EmptyTree + q"f(..$t)" + """) + + property("not liftable or natively supported") = fails( + "Can't splice StringBuilder, consider providing an implicit instance of Liftable[StringBuilder]", + """ + import java.lang.StringBuilder + val sb = new StringBuilder + q"f($sb)" + """) + + property("casedef expected") = fails( + "reflect.runtime.universe.CaseDef expected but reflect.runtime.universe.Tree found", + """ + val t = EmptyTree + q"_ { case $t }" + """) + + property("can't splice with ... card here") = fails( + "Can't splice with ... here", + """ + val lst: List[List[Tree]] = Nil; val t = EmptyTree + q"f(...$lst, $t)" + """) + + property("name expected") = fails( + "reflect.runtime.universe.Name expected but reflect.runtime.universe.Tree found", + """ + val t = EmptyTree + q"class $t" + """) + + property("flags or mods expected") = fails( + "reflect.runtime.universe.FlagSet or reflect.runtime.universe.Modifiers expected but reflect.runtime.universe.Tree found", + """ + val t = EmptyTree + q"$t def foo" + """) + + property("cant splice flags together with mods") = fails( + "Can't splice flags together with modifiers, consider merging flags into modifiers", + """ + val f = Flag.IMPLICIT; val m = NoMods + q"$f $m def foo" + """) + + property("can't splice mods with annots") = fails( + "Can't splice modifiers together with annotations, consider merging annotations into modifiers", + """ + val m = NoMods + q"@annot $m def foo" + """) + + property("can't splice modifiers with inline flags") = fails( + "Can't splice modifiers together with flags, consider merging flags into modifiers", + """ + val m = NoMods + q"$m implicit def foo" + """) + + property("can't splice multiple mods") = fails( + "Can't splice multiple modifiers, consider merging them into a single modifiers instance", + """ + val m1 = NoMods; val m2 = NoMods + q"$m1 $m2 def foo" + """) + + property("can't extract with .. card here") = fails( + "Can't extract with .. here", + """ + val q"f(..$xs, $y)" = EmptyTree + """) + + property("can't extract mods with annots") = fails( + "Can't extract modifiers together with annotations, consider extracting just modifiers", + """ + val q"@$annot $mods def foo" = EmptyTree + """) + + property("can't extract multiple mods") = fails( + "Can't extract multiple modifiers together, consider extracting a single modifiers instance", + """ + val q"$m1 $m2 def foo" = EmptyTree + """) + + property("can't parse more than one casedef") = fails( + "Can't parse more than one casedef, consider generating a match tree instead", + """ + cq"1 => 2 case 3 => 5" + """) + + // // Make sure a nice error is reported in this case + // { import Flag._; val mods = NoMods; q"lazy $mods val x: Int" } +}
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