--- /dev/null
+/*
+** OSSP ex - Exception Handling
+** Copyright (c) 2002-2004 Ralf S. Engelschall <rse@engelschall.com>
+** Copyright (c) 2002-2004 The OSSP Project <http://www.ossp.org/>
+** Copyright (c) 2002-2004 Cable & Wireless <http://www.cw.com/>
+**
+** This file is part of OSSP ex, an exception handling library
+** which can be found at http://www.ossp.org/pkg/lib/ex/.
+**
+** Permission to use, copy, modify, and distribute this software for
+** any purpose with or without fee is hereby granted, provided that
+** the above copyright notice and this permission notice appear in all
+** copies.
+**
+** THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+** WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+** MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+** IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
+** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+** USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+** ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+** OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+** SUCH DAMAGE.
+**
+** ex_test.c: exception handling test suite
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+#include "ex_test_ts.h"
+#include "xbt/ex.h"
+
+TS_TEST(test_controlflow)
+{
+ ex_t ex;
+ volatile int n;
+
+ ts_test_check(TS_CTX, "basic nested control flow");
+ n = 1;
+ ex_try {
+ if (n != 1)
+ ts_test_fail(TS_CTX, "M1: n=%d (!= 1)", n);
+ n++;
+ ex_try {
+ if (n != 2)
+ ts_test_fail(TS_CTX, "M2: n=%d (!= 2)", n);
+ n++;
+ ex_throw(0, 0, 0);
+ }
+ ex_catch (ex) {
+ if (n != 3)
+ ts_test_fail(TS_CTX, "M3: n=%d (!= 1)", n);
+ n++;
+ ex_rethrow;
+ }
+ ts_test_fail(TS_CTX, "MX: n=%d (expected: not reached)", n);
+ }
+ ex_catch (ex) {
+ if (n != 4)
+ ts_test_fail(TS_CTX, "M4: n=%d (!= 4)", n);
+ n++;
+ }
+ if (n != 5)
+ ts_test_fail(TS_CTX, "M5: n=%d (!= 5)", n);
+}
+
+TS_TEST(test_value)
+{
+ ex_t ex;
+
+ ex_try {
+ ex_throw(1, 2, 3);
+ }
+ ex_catch (ex) {
+ ts_test_check(TS_CTX, "exception value passing");
+ if (ex.ex_class != (void *)1)
+ ts_test_fail(TS_CTX, "ex_class=0x%lx (!= 1)", (long)ex.ex_class);
+ if (ex.ex_object != (void *)2)
+ ts_test_fail(TS_CTX, "ex_object=0x%lx (!= 2)", (long)ex.ex_object);
+ if (ex.ex_value != (void *)3)
+ ts_test_fail(TS_CTX, "ex_value=0x%lx (!= 3)", (long)ex.ex_value);
+ }
+}
+
+TS_TEST(test_variables)
+{
+ ex_t ex;
+ int r1, r2;
+ volatile int v1, v2;
+
+ r1 = r2 = v1 = v2 = 1234;
+ ex_try {
+ r2 = 5678;
+ v2 = 5678;
+ ex_throw(0, 0, 0);
+ }
+ ex_catch (ex) {
+ ts_test_check(TS_CTX, "variable preservation");
+ if (r1 != 1234)
+ ts_test_fail(TS_CTX, "r1=%d (!= 1234)", r1);
+ if (v1 != 1234)
+ ts_test_fail(TS_CTX, "v1=%d (!= 1234)", v1);
+ /* r2 is allowed to be destroyed because not volatile */
+ if (v2 != 5678)
+ ts_test_fail(TS_CTX, "v2=%d (!= 5678)", v2);
+ }
+}
+
+TS_TEST(test_defer)
+{
+ ex_t ex;
+ volatile int i1 = 0;
+ volatile int i2 = 0;
+ volatile int i3 = 0;
+
+ ts_test_check(TS_CTX, "exception deferring");
+ if (ex_deferring)
+ ts_test_fail(TS_CTX, "unexpected deferring scope");
+ ex_try {
+ ex_defer {
+ if (!ex_deferring)
+ ts_test_fail(TS_CTX, "unexpected non-deferring scope");
+ ex_defer {
+ i1 = 1;
+ ex_throw(0, 0, 4711);
+ i2 = 2;
+ ex_throw(0, 0, 0);
+ i3 = 3;
+ ex_throw(0, 0, 0);
+ }
+ ex_throw(0, 0, 0);
+ }
+ ts_test_fail(TS_CTX, "unexpected not occurred deferred throwing");
+ }
+ ex_catch (ex) {
+ if ((long)ex.ex_value != (long)4711)
+ ts_test_fail(TS_CTX, "caught exception with value %d, expected 4711", (long)ex.ex_value);
+ }
+ if (i1 != 1)
+ ts_test_fail(TS_CTX, "v.i1 not set (expected 1, got %d)", i1);
+ if (i2 != 2)
+ ts_test_fail(TS_CTX, "v.i2 not set (expected 2, got %d)", i2);
+ if (i3 != 3)
+ ts_test_fail(TS_CTX, "v.i3 not set (expected 3, got %d)", i3);
+}
+
+TS_TEST(test_shield)
+{
+ ex_t ex;
+
+ ts_test_check(TS_CTX, "exception shielding");
+ if (ex_shielding)
+ ts_test_fail(TS_CTX, "unexpected shielding scope");
+ if (ex_catching)
+ ts_test_fail(TS_CTX, "unexpected catching scope");
+ ex_try {
+ ex_shield {
+ if (!ex_shielding)
+ ts_test_fail(TS_CTX, "unexpected non-shielding scope");
+ ex_throw(0, 0, 0);
+ }
+ if (ex_shielding)
+ ts_test_fail(TS_CTX, "unexpected shielding scope");
+ if (!ex_catching)
+ ts_test_fail(TS_CTX, "unexpected non-catching scope");
+ }
+ ex_catch (ex) {
+ ts_test_fail(TS_CTX, "unexpected exception catched");
+ if (ex_catching)
+ ts_test_fail(TS_CTX, "unexpected catching scope");
+ }
+ if (ex_catching)
+ ts_test_fail(TS_CTX, "unexpected catching scope");
+}
+
+TS_TEST(test_cleanup)
+{
+ ex_t ex;
+ volatile int v1;
+ int c;
+
+ ts_test_check(TS_CTX, "cleanup handling");
+
+ v1 = 1234;
+ c = 0;
+ ex_try {
+ v1 = 5678;
+ ex_throw(1, 2, 3);
+ }
+ ex_cleanup {
+ if (v1 != 5678)
+ ts_test_fail(TS_CTX, "v1 = %d (!= 5678)", v1);
+ c = 1;
+ }
+ ex_catch (ex) {
+ if (v1 != 5678)
+ ts_test_fail(TS_CTX, "v1 = %d (!= 5678)", v1);
+ if (!(ex.ex_class == (void *)1 && ex.ex_object == (void *)2 && ex.ex_value == (void *)3))
+ ts_test_fail(TS_CTX, "unexpected exception contents");
+ }
+ if (!c)
+ ts_test_fail(TS_CTX, "ex_cleanup not executed");
+}
+
+int main(int argc, char *argv[])
+{
+ ts_suite_t *ts;
+ int n;
+
+ ts = ts_suite_new("OSSP ex (Exception Handling)");
+ ts_suite_test(ts, test_controlflow, "basic nested control flow");
+ ts_suite_test(ts, test_value, "exception value passing");
+ ts_suite_test(ts, test_variables, "variable value preservation");
+ ts_suite_test(ts, test_defer, "exception deferring");
+ ts_suite_test(ts, test_shield, "exception shielding");
+ ts_suite_test(ts, test_cleanup, "cleanup handling");
+ n = ts_suite_run(ts);
+ ts_suite_free(ts);
+ return n;
+}
+
