tests: Add Unit tests for wl_map and wl_array data structures
authorKristian Høgsberg <krh@bitplanet.net>
Fri, 2 Mar 2012 23:03:16 +0000 (18:03 -0500)
committerKristian Høgsberg <krh@bitplanet.net>
Fri, 2 Mar 2012 23:05:33 +0000 (18:05 -0500)
We use a simple test-runner helper that runs each test in a separate
process and reports the pass/fail rate at the end.

configure.ac
tests/Makefile.am [new file with mode: 0644]
tests/array-test.c [new file with mode: 0644]
tests/map-test.c [new file with mode: 0644]
tests/test-runner.c [new file with mode: 0644]
tests/test-runner.h [new file with mode: 0644]

index 070cc39..f5bf788 100644 (file)
@@ -61,5 +61,6 @@ AC_CONFIG_FILES([Makefile
                 src/Makefile
                 src/wayland-server.pc
                 src/wayland-client.pc
-                protocol/Makefile])
+                protocol/Makefile
+                tests/Makefile])
 AC_OUTPUT
diff --git a/tests/Makefile.am b/tests/Makefile.am
new file mode 100644 (file)
index 0000000..2597358
--- /dev/null
@@ -0,0 +1,8 @@
+TESTS = $(check_PROGRAMS)
+
+check_PROGRAMS = array-test map-test
+
+map_test_SOURCES = map-test.c test-runner.c
+array_test_SOURCES = array-test.c test-runner.c
+
+LDADD = $(top_builddir)/src/libwayland-util.la
diff --git a/tests/array-test.c b/tests/array-test.c
new file mode 100644 (file)
index 0000000..a7bf8a9
--- /dev/null
@@ -0,0 +1,118 @@
+/*
+ * Copyright © 2012 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <assert.h>
+#include "../src/wayland-private.h"
+#include "test-runner.h"
+
+TEST(array_init)
+{
+       const int iterations = 4122; /* this is arbitrary */
+       int i;
+
+       /* Init array an arbitray amount of times and verify the
+        * defaults are sensible. */
+
+       for (i = 0; i < iterations; i++) {
+               struct wl_array array;
+               wl_array_init(&array);
+               assert(array.size == 0);
+               assert(array.alloc == 0);
+               assert(array.data == 0);
+       }
+}
+
+TEST(array_add)
+{
+       struct mydata {
+               int a;
+               unsigned b;
+               double c;
+               double d;
+       };
+
+       const int iterations = 1321; /* this is arbitrary */
+       const int datasize = sizeof(struct mydata);
+       struct wl_array array;
+       int i;
+
+       wl_array_init(&array);
+
+       /* add some data */
+       for (i = 0; i < iterations; i++) {
+               struct mydata* ptr = wl_array_add(&array, datasize);
+               assert((i + 1) * datasize == array.size);
+
+               ptr->a = i * 3;
+               ptr->b = -i;
+               ptr->c = (double)(i);
+               ptr->d = (double)(i / 2.);
+       }
+
+       /* verify the data */
+       for (i = 0; i < iterations; ++i) {
+               const int index = datasize * i;
+               struct mydata* check = (struct mydata*)(array.data + index);
+
+               assert(check->a == i * 3);
+               assert(check->b == -i);
+               assert(check->c == (double)(i));
+               assert(check->d == (double)(i/2.));
+       }
+
+       wl_array_release(&array);
+}
+
+TEST(array_copy)
+{
+       const int iterations = 1529; /* this is arbitrary */
+       struct wl_array source;
+       struct wl_array copy;
+       int i;
+
+       wl_array_init(&source);
+
+       /* add some data */
+       for (i = 0; i < iterations; i++) {
+               int *p = wl_array_add(&source, sizeof(int));
+               *p = i * 2 + i;
+       }
+
+       /* copy the array */
+       wl_array_init(&copy);
+       wl_array_copy(&copy, &source);
+
+       /* check the copy */
+       for (i = 0; i < iterations; i++) {
+               const int index = sizeof(int) * i;
+               int *s = (int *)(source.data + index);
+               int *c = (int *)(copy.data + index);
+
+               assert(*s == *c); /* verify the values are the same */
+               assert(s != c); /* ensure the addresses aren't the same */
+               assert(*s == i * 2 + i); /* sanity check */
+       }
+
+       wl_array_release(&source);
+       wl_array_release(&copy);
+}
diff --git a/tests/map-test.c b/tests/map-test.c
new file mode 100644 (file)
index 0000000..448afc4
--- /dev/null
@@ -0,0 +1,47 @@
+/*
+ * Copyright © 2012 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include "../src/wayland-private.h"
+#include "test-runner.h"
+
+TEST(map_insert_new)
+{
+       struct wl_map map;
+       uint32_t i, j, k, a, b, c;
+
+       wl_map_init(&map);
+       i = wl_map_insert_new(&map, WL_MAP_SERVER_SIDE, &a);
+       j = wl_map_insert_new(&map, WL_MAP_SERVER_SIDE, &b);
+       k = wl_map_insert_new(&map, WL_MAP_SERVER_SIDE, &c);
+       assert(i == WL_SERVER_ID_START);
+       assert(j == WL_SERVER_ID_START + 1);
+       assert(k == WL_SERVER_ID_START + 2);
+
+       assert(wl_map_lookup(&map, i) == &a);
+       assert(wl_map_lookup(&map, j) == &b);
+       assert(wl_map_lookup(&map, k) == &c);
+
+       wl_map_release(&map);
+}
diff --git a/tests/test-runner.c b/tests/test-runner.c
new file mode 100644 (file)
index 0000000..80be2f7
--- /dev/null
@@ -0,0 +1,92 @@
+/*
+ * Copyright © 2012 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <assert.h>
+#include "test-runner.h"
+
+extern const struct test __start_test_section, __stop_test_section;
+
+static int
+run_one_test(const char *name)
+{
+       const struct test *t;
+
+       for (t = &__start_test_section; t < &__stop_test_section; t++) {
+               if (strcmp(t->name, name) == 0) {
+                       t->run();
+                       return EXIT_SUCCESS;
+               }
+       }
+
+       fprintf(stderr, "uknown test: \"%s\"\n", name);
+
+       return EXIT_FAILURE;
+}
+
+int main(int argc, char *argv[])
+{
+       const struct test *t;
+       pid_t pid;
+       int i, total, pass;
+       siginfo_t info;
+
+       if (argc == 2)
+               return run_one_test(argv[1]);
+
+       pass = 0;
+       for (t = &__start_test_section; t < &__stop_test_section; t++) {
+               fprintf(stderr, "running \"%s\"... ", t->name);
+               pid = fork();
+               assert(pid >= 0);
+               if (pid == 0) { 
+                       t->run();
+                       exit(EXIT_SUCCESS);
+               }
+               if (waitid(P_ALL, 0, &info, WEXITED)) {
+                       fprintf(stderr, "waitid failed: %m\n");
+                       abort();
+               }
+
+               switch (info.si_code) {
+               case CLD_EXITED:
+                       fprintf(stderr, "exit status %d\n", info.si_status);
+                       if (info.si_status == EXIT_SUCCESS)
+                               pass++;
+                       break;
+               case CLD_KILLED:
+               case CLD_DUMPED:
+                       fprintf(stderr, "signal %d\n", info.si_status);
+                       break;
+               }
+       }
+
+       total = &__stop_test_section - &__start_test_section;
+       fprintf(stderr, "%d tests, %d pass, %d fail\n",
+               total, pass, total - pass);
+
+       return pass == total ? EXIT_SUCCESS : EXIT_FAILURE;
+}
diff --git a/tests/test-runner.h b/tests/test-runner.h
new file mode 100644 (file)
index 0000000..c1fdff9
--- /dev/null
@@ -0,0 +1,14 @@
+struct test {
+       const char *name;
+       void (*run)(void);
+};
+
+#define TEST(name)                                             \
+       static void name(void);                                 \
+                                                               \
+       const struct test test##name                    \
+                __attribute__ ((section ("test_section"))) = { \
+               #name, name                                     \
+       };                                                      \
+                                                               \
+       static void name(void)