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// Ensure that -switch-checking-invocation-threshold= frontend option works,
// stopping the check, producing the correct diagnostic, and not producing the
// diagnostic for a completed check.
//
// RUN: %empty-directory(%t)
//
// RUN: not %target-swift-frontend -typecheck %s -switch-checking-invocation-threshold=1 2>%t/unproven.txt
// RUN: %FileCheck %s --check-prefix UNABLE-TO-CHECK <%t/unproven.txt
// RUN: not %FileCheck %s --check-prefix MUST-BE-EXHAUSTIVE <%t/unproven.txt
//
// RUN: not %target-swift-frontend -typecheck %s 2>%t/disproved.txt
// RUN: %FileCheck %s --check-prefix MUST-BE-EXHAUSTIVE <%t/disproved.txt
// RUN: not %FileCheck %s --check-prefix UNABLE-TO-CHECK <%t/disproved.txt
//
// UNABLE-TO-CHECK: error: the compiler is unable to check that this switch is exhaustive in reasonable time
// MUST-BE-EXHAUSTIVE: error: switch must be exhaustive
enum A {
case a1, a2, a3, a4, a5
}
enum B {
case b1, b2, b3, b4
}
func f(a: A, b: B) {
switch (a, b) {
case
// (.a1, .b1),
(.a2, .b1),
(.a3, .b1),
(.a4, .b1),
(.a5, .b1),
(.a1, .b2),
(.a2, .b2),
(.a3, .b2),
(.a4, .b2),
(.a5, .b2),
(.a1, .b3),
(.a2, .b3),
(.a3, .b3),
(.a4, .b3),
(.a5, .b3),
(.a1, .b4),
(.a2, .b4),
(.a3, .b4),
(.a4, .b4),
(.a5, .b4):
break
}
}
|
