54 lines
2.4 KiB
C
54 lines
2.4 KiB
C
/* Test that #pragma message "..." writes compiler messages. */
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#pragma message /* { dg-warning "expected a string" } */
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#pragma message 0 /* { dg-warning "expected a string" } */
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#pragma message id /* { dg-warning "expected a string" } */
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#pragma message ( /* { dg-warning "expected a string" } */
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#pragma message (0 /* { dg-warning "expected a string" } */
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#pragma message (id /* { dg-warning "expected a string" } */
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#pragma message () /* { dg-warning "expected a string" } */
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#pragma message (0) /* { dg-warning "expected a string" } */
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#pragma message (id) /* { dg-warning "expected a string" } */
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/* gcc prefixes '#pragma message ...' output with filename and line number,
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then 'note: #pragma message: ', allowing dg-message to check output.
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If unexpected pragma messages are printed (anything not caught by a
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matching dg-message), dejagnu will report these as excess errors. */
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#pragma message "
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/* { dg-error "missing terminating" "" { target *-*-* } 18 } */
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/* { dg-warning "expected a string" "" { target *-*-* } 18 } */
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#pragma message "Bad 1
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/* { dg-error "missing terminating" "" { target *-*-* } 21 } */
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/* { dg-warning "expected a string" "" { target *-*-* } 21 } */
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#pragma message ("Bad 2
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/* { dg-error "missing terminating" "" { target *-*-* } 24 } */
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/* { dg-warning "expected a string" "" { target *-*-* } 24 } */
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#pragma message ("Bad 3"
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/* { dg-warning "malformed '#pragma message" "" { target *-*-* } 27 } */
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#pragma message "" junk
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/* { dg-warning "junk at end of '#pragma message'" "" { target *-*-* } 30 } */
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#pragma message ("") junk
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/* { dg-warning "junk at end of '#pragma message'" "" { target *-*-* } 33 } */
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#pragma message "" /* No output expected for empty messages. */
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#pragma message ("")
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#pragma message "Okay 1" /* { dg-message "Okay 1" } */
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#pragma message ("Okay 2") /* { dg-message "Okay 2" } */
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#define THREE "3"
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#pragma message ("Okay " THREE) /* { dg-message "Okay 3" } */
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/* Create a TODO() that prints a message on compilation. */
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#define DO_PRAGMA(x) _Pragma (#x)
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#define TODO(x) DO_PRAGMA(message ("TODO - " #x))
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TODO(Okay 4) /* { dg-message "TODO - Okay 4" } */
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#if 0
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#pragma message ("Not printed")
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#endif
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int unused; /* Silence `ISO C forbids an empty translation unit' warning. */
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