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bionic: test: time() 

Validate return values from time(), confirm progression.

Test: bionic-unit-tests --gtest_filter=time.time
Bug: 63737556
Change-Id: I08186780c42ded9648b3e788bb2caa2210d00dab
This commit is contained in:
Mark Salyzyn 2017-12-20 08:56:18 -08:00
parent 777d7c7914
commit 0b846e8c66
1 changed files with 25 additions and 0 deletions
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25
tests/time_test.cpp
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@ -31,6 +31,31 @@
#include "private/bionic_constants.h"
TEST(time, time) {
// Acquire time
time_t p1, t1 = time(&p1);
// valid?
ASSERT_NE(static_cast<time_t>(0), t1);
ASSERT_NE(static_cast<time_t>(-1), t1);
ASSERT_EQ(p1, t1);
// Acquire time one+ second later
usleep(1010000);
time_t p2, t2 = time(&p2);
// valid?
ASSERT_NE(static_cast<time_t>(0), t2);
ASSERT_NE(static_cast<time_t>(-1), t2);
ASSERT_EQ(p2, t2);
// Expect time progression
ASSERT_LT(p1, p2);
ASSERT_LE(t2 - t1, static_cast<time_t>(2));
// Expect nullptr call to produce same results
ASSERT_LE(t2, time(nullptr));
ASSERT_LE(time(nullptr) - t2, static_cast<time_t>(1));
}
TEST(time, gmtime) {
time_t t = 0;
tm* broken_down = gmtime(&t);