test: add test for closing and recreating default loop

Makefile.am

@@ -127,6 +127,7 @@ test_run_tests_SOURCES = test/blackhole-server.c \
                          test/test-condvar.c \
                          test/test-connection-fail.c \
                          test/test-cwd-and-chdir.c \
+                         test/test-default-loop-close.c \
                          test/test-delayed-accept.c \
                          test/test-dlerror.c \
                          test/test-embed.c \

test/test-default-loop-close.c

@@ -0,0 +1,59 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "task.h"
+
+
+static int timer_cb_called;
+
+
+static void timer_cb(uv_timer_t* timer) {
+  timer_cb_called++;
+  uv_close((uv_handle_t*) timer, NULL);
+}
+
+
+TEST_IMPL(default_loop_close) {
+  uv_loop_t* loop;
+  uv_timer_t timer_handle;
+
+  loop = uv_default_loop();
+  ASSERT(loop != NULL);
+
+  ASSERT(0 == uv_timer_init(loop, &timer_handle));
+  ASSERT(0 == uv_timer_start(&timer_handle, timer_cb, 1, 0));
+  ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));
+  ASSERT(1 == timer_cb_called);
+  ASSERT(0 == uv_loop_close(loop));
+
+  loop = uv_default_loop();
+  ASSERT(loop != NULL);
+
+  ASSERT(0 == uv_timer_init(loop, &timer_handle));
+  ASSERT(0 == uv_timer_start(&timer_handle, timer_cb, 1, 0));
+  ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));
+  ASSERT(2 == timer_cb_called);
+  ASSERT(0 == uv_loop_close(loop));
+
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}

test/test-list.h

@@ -29,6 +29,7 @@ TEST_DECLARE   (loop_close)
 TEST_DECLARE   (loop_stop)
 TEST_DECLARE   (loop_update_time)
 TEST_DECLARE   (loop_backend_timeout)
+TEST_DECLARE   (default_loop_close)
 TEST_DECLARE   (barrier_1)
 TEST_DECLARE   (barrier_2)
 TEST_DECLARE   (barrier_3)
@@ -308,6 +309,7 @@ TASK_LIST_START
   TEST_ENTRY  (loop_stop)
   TEST_ENTRY  (loop_update_time)
   TEST_ENTRY  (loop_backend_timeout)
+  TEST_ENTRY  (default_loop_close)
   TEST_ENTRY  (barrier_1)
   TEST_ENTRY  (barrier_2)
   TEST_ENTRY  (barrier_3)

uv.gyp

@@ -310,6 +310,7 @@
         'test/test-close-order.c',
         'test/test-connection-fail.c',
         'test/test-cwd-and-chdir.c',
+        'test/test-default-loop-close.c',
         'test/test-delayed-accept.c',
         'test/test-error.c',
         'test/test-embed.c',