* [committed] analyzer: more test coverage for named constants
@ 2022-11-16 22:51 David Malcolm
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From: David Malcolm @ 2022-11-16 22:51 UTC (permalink / raw)
To: gcc-patches; +Cc: David Malcolm
Successfully tested on x86_64-pc-linux-gnu.
Pushed to trunk as r13-4115-gff199a859b2a95.
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>
---
.../named-constants-via-command-line.c | 10 +++++++++
.../analyzer/named-constants-via-macros-3.c | 15 +++++++++++++
.../analyzer/named-constants-via-macros-4.c | 15 +++++++++++++
.../named-constants-via-macros-empty.c | 14 +++++++++++++
.../analyzer/named-constants-via-macros-gc.c | 21 +++++++++++++++++++
.../named-constants-via-macros-traditional.c | 16 ++++++++++++++
.../named-constants-via-macros-undef.c | 18 ++++++++++++++++
7 files changed, 109 insertions(+)
create mode 100644 gcc/testsuite/gcc.dg/analyzer/named-constants-via-command-line.c
create mode 100644 gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-3.c
create mode 100644 gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-4.c
create mode 100644 gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-empty.c
create mode 100644 gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-gc.c
create mode 100644 gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-traditional.c
create mode 100644 gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-undef.c
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" } */
+}
--
2.26.3
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