From 091eeb1261ebe6bc557ae9b353d37108c8149568 Mon Sep 17 00:00:00 2001
From: Anton Fedorov <iam@datacompboy.ru>
Date: Fri, 5 Jan 2018 22:12:00 +0100
Subject: Update time_test.cc

Better test coverage for datetime validation.
---
 src/google/protobuf/stubs/time_test.cc | 53 ++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)

diff --git a/src/google/protobuf/stubs/time_test.cc b/src/google/protobuf/stubs/time_test.cc
index 59e9d1c7..53da9480 100644
--- a/src/google/protobuf/stubs/time_test.cc
+++ b/src/google/protobuf/stubs/time_test.cc
@@ -149,6 +149,59 @@ TEST(DateTimeTest, LeapYear) {
             CreateTimestamp(2400, 3, 1) - CreateTimestamp(2400, 2, 29));
 }
 
+TEST(DateTimeTest, WrongDays) {
+  int64 seconds;
+  DateTime time;
+  time.hour = 0;
+  time.minute = 0;
+  time.second = 0;
+  time.month = 2;
+
+  // Non-leap year.
+  time.year = 2015;
+  time.day = 29;
+  ASSERT_FALSE(DateTimeToSeconds(time, &seconds));
+
+  // Leap year.
+  time.year = 2016;
+  time.day = 29;
+  ASSERT_TRUE(DateTimeToSeconds(time, &seconds));
+  time.day = 30;
+  ASSERT_FALSE(DateTimeToSeconds(time, &seconds));
+
+  // Non-leap year.
+  time.year = 2100;
+  time.day = 29;
+  ASSERT_FALSE(DateTimeToSeconds(time, &seconds));
+
+  // Leap year.
+  time.year = 2400;
+  time.day = 29;
+  ASSERT_TRUE(DateTimeToSeconds(time, &seconds));
+  time.day = 30;
+  ASSERT_FALSE(DateTimeToSeconds(time, &seconds));
+
+  // Non-february
+  time.year = 2015;
+  time.month = 1;
+  time.day = 0;
+  ASSERT_FALSE(DateTimeToSeconds(time, &seconds));
+  time.day = 1;
+  ASSERT_TRUE(DateTimeToSeconds(time, &seconds));
+  time.day = 31;
+  ASSERT_TRUE(DateTimeToSeconds(time, &seconds));
+  time.day = 32;
+  ASSERT_FALSE(DateTimeToSeconds(time, &seconds));
+
+  // Bad month
+  time.year = 2015;
+  time.month = 0;
+  time.day = 1;
+  ASSERT_FALSE(DateTimeToSeconds(time, &seconds));
+  time.month = 13;
+  ASSERT_FALSE(DateTimeToSeconds(time, &seconds));
+}
+  
 TEST(DateTimeTest, StringFormat) {
   DateTime start, end;
   start.year = 1;
-- 
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