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analyzer: more test coverage for named constants

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gcc/testsuite/ChangeLog:
	* gcc.dg/analyzer/named-constants-via-command-line.c: New test.
	* gcc.dg/analyzer/named-constants-via-macros-3.c: New test.
	* gcc.dg/analyzer/named-constants-via-macros-4.c: New test.
	* gcc.dg/analyzer/named-constants-via-macros-empty.c: New test.
	* gcc.dg/analyzer/named-constants-via-macros-gc.c: New test.
	* gcc.dg/analyzer/named-constants-via-macros-traditional.c: New test.
	* gcc.dg/analyzer/named-constants-via-macros-undef.c: New test.

Signed-off-by: David Malcolm <dmalcolm@redhat.com>
This commit is contained in:
David Malcolm 2022-11-16 17:38:28 -05:00
parent 6e4962810f
commit ff199a859b
7 changed files with 109 additions and 0 deletions
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10
gcc/testsuite/gcc.dg/analyzer/named-constants-via-command-line.c Normal file
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/* { dg-additional-options "-DO_ACCMODE=42 -DO_RDONLY=0x1 -DO_WRONLY=010" } */
#include "analyzer-decls.h"
void test_sm_fd_constants (void)
{
__analyzer_dump_named_constant ("O_ACCMODE"); /* { dg-warning "named constant 'O_ACCMODE' has value '42'" } */
__analyzer_dump_named_constant ("O_RDONLY"); /* { dg-warning "named constant 'O_RDONLY' has value '1'" } */
__analyzer_dump_named_constant ("O_WRONLY"); /* { dg-warning "named constant 'O_WRONLY' has value '8'" } */
}

15
gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-3.c Normal file
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#include "analyzer-decls.h"
/* Various constants used by the fd state machine, as macros
that can't be handled. */
#define O_RDONLY (1 << 0)
#define O_WRONLY (1 << 1)
#define O_ACCMODE (O_RDONLY | O_WRONLY)
void test_sm_fd_constants (void)
{
__analyzer_dump_named_constant ("O_ACCMODE"); /* { dg-warning "named constant 'O_ACCMODE' has unknown value" } */
__analyzer_dump_named_constant ("O_RDONLY"); /* { dg-warning "named constant 'O_RDONLY' has unknown value" } */
__analyzer_dump_named_constant ("O_WRONLY"); /* { dg-warning "named constant 'O_WRONLY' has unknown value" } */
}

15
gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-4.c Normal file
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#include "analyzer-decls.h"
/* Various constants used by the fd state machine, as macros
that can't be handled. */
#define O_ACCMODE(X) 42
#define O_RDONLY(X) 0x1
#define O_WRONLY(X) 010
void test_sm_fd_constants (void)
{
__analyzer_dump_named_constant ("O_ACCMODE"); /* { dg-warning "named constant 'O_ACCMODE' has unknown value" } */
__analyzer_dump_named_constant ("O_RDONLY"); /* { dg-warning "named constant 'O_RDONLY' has unknown value" } */
__analyzer_dump_named_constant ("O_WRONLY"); /* { dg-warning "named constant 'O_WRONLY' has unknown value" } */
}

14
gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-empty.c Normal file
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#include "analyzer-decls.h"
/* Various constants used by the fd state machine. */
#define O_ACCMODE
#define O_RDONLY
#define O_WRONLY
void test_sm_fd_constants (void)
{
__analyzer_dump_named_constant ("O_ACCMODE"); /* { dg-warning "named constant 'O_ACCMODE' has unknown value" } */
__analyzer_dump_named_constant ("O_RDONLY"); /* { dg-warning "named constant 'O_RDONLY' has unknown value" } */
__analyzer_dump_named_constant ("O_WRONLY"); /* { dg-warning "named constant 'O_WRONLY' has unknown value" } */
}

21
gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-gc.c Normal file
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/* { dg-additional-options "--param ggc-min-expand=0 --param ggc-min-heapsize=0" } */
#include "analyzer-decls.h"
/* Various constants used by the fd state machine. */
#define O_ACCMODE 42
#define O_RDONLY 0x1
#define O_WRONLY 010
void test_sm_fd_constants (void)
{
__analyzer_dump_named_constant ("O_ACCMODE"); /* { dg-warning "named constant 'O_ACCMODE' has value '42'" } */
__analyzer_dump_named_constant ("O_RDONLY"); /* { dg-warning "named constant 'O_RDONLY' has value '1'" } */
__analyzer_dump_named_constant ("O_WRONLY"); /* { dg-warning "named constant 'O_WRONLY' has value '8'" } */
}
void test_unknown (void)
{
__analyzer_dump_named_constant ("UNKNOWN"); /* { dg-warning "named constant 'UNKNOWN' has unknown value" } */
}

16
gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-traditional.c Normal file
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/* { dg-additional-options "-traditional-cpp" } */
#include "analyzer-decls.h"
/* Various constants used by the fd state machine. */
#define O_ACCMODE 42
#define O_RDONLY 0x1
#define O_WRONLY 010
void test_sm_fd_constants (void)
{
__analyzer_dump_named_constant ("O_ACCMODE"); /* { dg-warning "named constant 'O_ACCMODE' has unknown value" } */
__analyzer_dump_named_constant ("O_RDONLY"); /* { dg-warning "named constant 'O_RDONLY' has unknown value" } */
__analyzer_dump_named_constant ("O_WRONLY"); /* { dg-warning "named constant 'O_WRONLY' has unknown value" } */
}

18
gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-undef.c Normal file
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#include "analyzer-decls.h"
/* Various constants used by the fd state machine. */
#define O_ACCMODE 42
#define O_RDONLY 0x1
#define O_WRONLY 010
#undef O_ACCMODE
#undef O_RDONLY
#undef O_WRONLY
void test_sm_fd_constants (void)
{
__analyzer_dump_named_constant ("O_ACCMODE"); /* { dg-warning "named constant 'O_ACCMODE' has unknown value" } */
__analyzer_dump_named_constant ("O_RDONLY"); /* { dg-warning "named constant 'O_RDONLY' has unknown value" } */
__analyzer_dump_named_constant ("O_WRONLY"); /* { dg-warning "named constant 'O_WRONLY' has unknown value" } */
}