/* Copyright (C) 2000 Free Software Foundation, Inc. */
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/* Copyright (C) 2000 Free Software Foundation, Inc. */
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/* { dg-do preprocess } */
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/* { dg-do preprocess } */
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/* Tests behavior of the defined operator. */
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/* Tests behavior of the defined operator. */
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/* Source: Neil Booth, 29 Oct 2000, Zack Weinberg 11 Dec 2000. */
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/* Source: Neil Booth, 29 Oct 2000, Zack Weinberg 11 Dec 2000. */
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#define defined /* { dg-error "defined" } */
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#define defined /* { dg-error "defined" } */
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/* No diagnostics, though you could argue there should be. */
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/* No diagnostics, though you could argue there should be. */
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#if defined defined
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#if defined defined
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#error defined is defined!
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#error defined is defined!
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#endif
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#endif
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#define is_Z_defined defined Z
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#define is_Z_defined defined Z
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#if defined Z
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#if defined Z
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#error Z is not defined
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#error Z is not defined
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#endif
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#endif
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/* The behavior of "defined" when it comes from a macro expansion is
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/* The behavior of "defined" when it comes from a macro expansion is
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now documented. */
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now documented. */
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#if is_Z_defined
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#if is_Z_defined
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#error Macro expanding into defined operator test 1
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#error Macro expanding into defined operator test 1
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#endif
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#endif
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#define Z
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#define Z
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#if !defined Z
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#if !defined Z
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#error Z is defined
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#error Z is defined
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#endif
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#endif
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#if !is_Z_defined
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#if !is_Z_defined
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#error Macro expanding into defined operator test 2
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#error Macro expanding into defined operator test 2
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#endif
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#endif
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#undef is_Z_defined
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#undef is_Z_defined
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#undef Z
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#undef Z
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/* Do all the tests over again with the () form of defined. */
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/* Do all the tests over again with the () form of defined. */
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/* No diagnostics, though you could argue there should be. */
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/* No diagnostics, though you could argue there should be. */
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#if defined(defined)
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#if defined(defined)
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#error defined is defined!
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#error defined is defined!
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#endif
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#endif
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#define is_Z_defined defined ( Z )
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#define is_Z_defined defined ( Z )
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#if defined(Z)
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#if defined(Z)
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#error Z is not defined
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#error Z is not defined
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#endif
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#endif
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/* The behavior of "defined" when it comes from a macro expansion is
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/* The behavior of "defined" when it comes from a macro expansion is
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now documented. */
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now documented. */
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#if is_Z_defined
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#if is_Z_defined
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#error Macro expanding into defined operator test 1
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#error Macro expanding into defined operator test 1
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#endif
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#endif
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#define Z
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#define Z
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#if !defined(Z)
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#if !defined(Z)
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#error Z is defined
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#error Z is defined
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#endif
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#endif
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#if !is_Z_defined
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#if !is_Z_defined
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#error Macro expanding into defined operator test 2
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#error Macro expanding into defined operator test 2
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#endif
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#endif
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/* Use of defined in different contexts. */
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/* Use of defined in different contexts. */
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#define bad1 defined
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#define bad1 defined
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#if !bad1 Z /* { dg-warning "may not be portable" } */
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#if !bad1 Z /* { dg-warning "may not be portable" } */
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#error Z is defined
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#error Z is defined
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#endif
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#endif
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#if !bad1 (Z) /* { dg-warning "may not be portable" } */
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#if !bad1 (Z) /* { dg-warning "may not be portable" } */
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#error Z is defined
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#error Z is defined
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#endif
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#endif
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#define bad2 defined (Z
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#define bad2 defined (Z
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#if !bad2) /* { dg-warning "may not be portable" } */
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#if !bad2) /* { dg-warning "may not be portable" } */
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#error Z is defined
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#error Z is defined
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#endif
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#endif
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