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From: David Malcolm <dmalcolm@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc r13-4115] analyzer: more test coverage for named constants
Date: Wed, 16 Nov 2022 22:45:20 +0000 (GMT)	[thread overview]
Message-ID: <20221116224520.2086E3955CB0@sourceware.org> (raw)

https://gcc.gnu.org/g:ff199a859b2a954d0bdb7324d40cd23556d1d901

commit r13-4115-gff199a859b2a954d0bdb7324d40cd23556d1d901
Author: David Malcolm <dmalcolm@redhat.com>
Date:   Wed Nov 16 17:38:28 2022 -0500

    analyzer: more test coverage for named constants
    
    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>

Diff:
---
 .../analyzer/named-constants-via-command-line.c     | 10 ++++++++++
 .../gcc.dg/analyzer/named-constants-via-macros-3.c  | 15 +++++++++++++++
 .../gcc.dg/analyzer/named-constants-via-macros-4.c  | 15 +++++++++++++++
 .../analyzer/named-constants-via-macros-empty.c     | 14 ++++++++++++++
 .../gcc.dg/analyzer/named-constants-via-macros-gc.c | 21 +++++++++++++++++++++
 .../named-constants-via-macros-traditional.c        | 16 ++++++++++++++++
 .../analyzer/named-constants-via-macros-undef.c     | 18 ++++++++++++++++++
 7 files changed, 109 insertions(+)

diff --git a/gcc/testsuite/gcc.dg/analyzer/named-constants-via-command-line.c b/gcc/testsuite/gcc.dg/analyzer/named-constants-via-command-line.c
new file mode 100644
index 00000000000..4a3dd16752e
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/analyzer/named-constants-via-command-line.c
@@ -0,0 +1,10 @@
+/* { 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'" } */
+}
diff --git a/gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-3.c b/gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-3.c
new file mode 100644
index 00000000000..2a3f2b0070a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-3.c
@@ -0,0 +1,15 @@
+#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" } */
+}
diff --git a/gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-4.c b/gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-4.c
new file mode 100644
index 00000000000..16eef964051
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-4.c
@@ -0,0 +1,15 @@
+#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" } */
+}
diff --git a/gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-empty.c b/gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-empty.c
new file mode 100644
index 00000000000..3d347e2caf5
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-empty.c
@@ -0,0 +1,14 @@
+#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" } */
+}
diff --git a/gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-gc.c b/gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-gc.c
new file mode 100644
index 00000000000..e7b12f325a5
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-gc.c
@@ -0,0 +1,21 @@
+/* { 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" } */
+}
diff --git a/gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-traditional.c b/gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-traditional.c
new file mode 100644
index 00000000000..64acaad6aa0
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-traditional.c
@@ -0,0 +1,16 @@
+/* { 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" } */
+}
diff --git a/gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-undef.c b/gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-undef.c
new file mode 100644
index 00000000000..46c03223190
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-undef.c
@@ -0,0 +1,18 @@
+#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" } */
+}

                 reply	other threads:[~2022-11-16 22:45 UTC|newest]

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