SERVER-7965 Introduce time formatting functions for ISO 8601 and Ctime; eliminate curTimeString().

1 files changed, 80 insertions, 0 deletions

diff --git a/src/mongo/util/time_support_test.cpp b/src/mongo/util/time_support_test.cpp
new file mode 100644
index 00000000000..db7104bebab
--- /dev/null
+++ b/src/mongo/util/time_support_test.cpp
@@ -0,0 +1,80 @@
+/*    Copyright 2013 10gen Inc.
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+
+#include <cstdlib>
+#include <ctime>
+#include <string>
+
+#include "mongo/base/init.h"
+#include "mongo/bson/util/misc.h"
+#include "mongo/unittest/unittest.h"
+#include "mongo/util/log.h"
+#include "mongo/util/time_support.h"
+
+namespace mongo {
+namespace {
+
+    /**
+     * To make this test deterministic, we set the time zone to America/New_York.
+     */
+    MONGO_INITIALIZER(SetTimeZoneToEasternForTest)(InitializerContext*) {
+        if (-1 == setenv("TZ", "America/New_York", 1)) {
+            return Status(ErrorCodes::BadValue, errnoWithDescription());
+        }
+        tzset();
+        return Status::OK();
+    }
+
+    TEST(TimeFormatting, TimeTAsISO8601Zulu) {
+        ASSERT_EQUALS(std::string("1970-01-01T00:00:00Z"), timeToISOString(0));
+        ASSERT_EQUALS(std::string("1970-06-30T01:06:40Z"), timeToISOString(15556000));
+        ASSERT_EQUALS(std::string("2058-02-20T18:29:11Z"), timeToISOString(2781455351));
+        ASSERT_EQUALS(std::string("2013-02-20T18:29:11Z"), timeToISOString(1361384951));
+    }
+
+    TEST(TimeFormatting, DateAsISO8601UTC) {
+        ASSERT_EQUALS(std::string("1970-01-01T00:00:00.000Z"),
+                      dateToISOStringUTC(Date_t(0)));
+        ASSERT_EQUALS(std::string("1970-06-30T01:06:40.981Z"),
+                      dateToISOStringUTC(Date_t(15556000981ULL)));
+        ASSERT_EQUALS(std::string("2058-02-20T18:29:11.100Z"),
+                      dateToISOStringUTC(Date_t(2781455351100ULL)));
+        ASSERT_EQUALS(std::string("2013-02-20T18:29:11.100Z"),
+                      dateToISOStringUTC(Date_t(1361384951100ULL)));
+    }
+
+    TEST(TimeFormatting, DateAsISO8601Local) {
+        ASSERT_EQUALS(std::string("1969-12-31T19:00:00.000-0500"),
+                      dateToISOStringLocal(Date_t(0)));
+        ASSERT_EQUALS(std::string("1970-06-29T21:06:40.981-0400"),
+                      dateToISOStringLocal(Date_t(15556000981ULL)));
+        ASSERT_EQUALS(std::string("2058-02-20T13:29:11.100-0500"),
+                      dateToISOStringLocal(Date_t(2781455351100ULL)));
+        ASSERT_EQUALS(std::string("2013-02-20T13:29:11.100-0500"),
+                      dateToISOStringLocal(Date_t(1361384951100ULL)));
+    }
+
+    TEST(TimeFormatting, DateAsCtime) {
+        ASSERT_EQUALS(std::string("Wed Dec 31 19:00:00.000"), dateToCtimeString(Date_t(0)));
+        ASSERT_EQUALS(std::string("Mon Jun 29 21:06:40.981"),
+                      dateToCtimeString(Date_t(15556000981ULL)));
+        ASSERT_EQUALS(std::string("Wed Feb 20 13:29:11.100"),
+                      dateToCtimeString(Date_t(2781455351100ULL)));
+        ASSERT_EQUALS(std::string("Wed Feb 20 13:29:11.100"),
+                      dateToCtimeString(Date_t(1361384951100ULL)));
+    }
+
+}  // namespace
+}  // namespace mongo