llvm-project

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## We're intentionally testing fatal errors, which isn't supported for testing
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## when main is run twice.
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XFAIL: main-run-twice
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## Check that we only see 20 (the default error-limit) "cannot open" errors
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RUN: not %lld A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 2>&1 | \
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RUN:     FileCheck -check-prefix=DEFAULT %s
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DEFAULT:      cannot open A:
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DEFAULT:      cannot open T:
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DEFAULT-NOT:  cannot open U:
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DEFAULT-NEXT: too many errors emitted, stopping now (use --error-limit=0 to see all errors)
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## Check that we only see 5 "cannot open" errors when --error-limit=5
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RUN: not %lld --error-limit=5 A B C D E F G H I J 2>&1 \
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RUN:   | FileCheck -check-prefix=LIMIT5 %s
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LIMIT5:      cannot open A:
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LIMIT5:      cannot open E:
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LIMIT5-NOT:  cannot open F:
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LIMIT5-NEXT: too many errors emitted, stopping now (use --error-limit=0 to see all errors)
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## Check that we see all "cannot open" errors when --error-limit=0 (unimited)
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RUN: not %lld --error-limit=0 A B C D E F G H I J K L M N O P Q R S T U V W 2>&1 | \
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RUN:     FileCheck -check-prefix=UNLIMITED %s
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UNLIMITED:     cannot open A:
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UNLIMITED:     cannot open T:
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UNLIMITED:     cannot open U:
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UNLIMITED:     cannot open V:
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UNLIMITED:     cannot open W:
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UNLIMITED-NOT: too many errors emitted, stopping now (use --error-limit=0 to see all errors)
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