summaryrefslogtreecommitdiffstatshomepage
path: root/3rdparty/libuv/test/test-hrtime.c
diff options
context:
space:
mode:
Diffstat (limited to '3rdparty/libuv/test/test-hrtime.c')
-rw-r--r--3rdparty/libuv/test/test-hrtime.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/3rdparty/libuv/test/test-hrtime.c b/3rdparty/libuv/test/test-hrtime.c
new file mode 100644
index 00000000000..72a4d4b181d
--- /dev/null
+++ b/3rdparty/libuv/test/test-hrtime.c
@@ -0,0 +1,54 @@
+/* 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"
+
+#ifndef MILLISEC
+# define MILLISEC 1000
+#endif
+
+#ifndef NANOSEC
+# define NANOSEC ((uint64_t) 1e9)
+#endif
+
+
+TEST_IMPL(hrtime) {
+ uint64_t a, b, diff;
+ int i = 75;
+ while (i > 0) {
+ a = uv_hrtime();
+ uv_sleep(45);
+ b = uv_hrtime();
+
+ diff = b - a;
+
+ /* printf("i= %d diff = %llu\n", i, (unsigned long long int) diff); */
+
+ /* The windows Sleep() function has only a resolution of 10-20 ms. */
+ /* Check that the difference between the two hrtime values is somewhat in */
+ /* the range we expect it to be. */
+ ASSERT(diff > (uint64_t) 25 * NANOSEC / MILLISEC);
+ ASSERT(diff < (uint64_t) 80 * NANOSEC / MILLISEC);
+ --i;
+ }
+ return 0;
+}