[Test] Add tests for pack element reprs outside pack expansion expressions.

hborla · hborla · commit b8ce8997e5a8 · 2022-12-20T17:08:46.000-05:00
diff --git a/test/Constraints/pack-expansion-expressions.swift b/test/Constraints/pack-expansion-expressions.swift
@@ -67,4 +67,7 @@ func forEachEach<C..., U>(c: C..., function: (U) -> Void)
 func typeReprPacks<T...>(_ t: T...) where T: ExpressibleByIntegerLiteral {
   _ = Array<each T>()...
   _ = (1 as each T)...
+
+  _ = Array<each T>() // expected-error {{pack reference 'T' can only appear in pack expansion or generic requirement}}
+  _ = 1 as each T // expected-error {{pack reference 'T' can only appear in pack expansion or generic requirement}}
 }

Original file line number	Diff line number	Diff line change
`@@ -67,4 +67,7 @@ func forEachEach<C..., U>(c: C..., function: (U) -> Void)`
`67`	`67`	`func typeReprPacks<T...>(_ t: T...) where T: ExpressibleByIntegerLiteral {`
`68`	`68`	`_ = Array<each T>()...`
`69`	`69`	`_ = (1 as each T)...`
	`70`	`+`
	`71`	`+ _ = Array<each T>() // expected-error {{pack reference 'T' can only appear in pack expansion or generic requirement}}`
	`72`	`+ _ = 1 as each T // expected-error {{pack reference 'T' can only appear in pack expansion or generic requirement}}`
`70`	`73`	`}`