Benjamin Bannier created MESOS-4272:
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Summary: DurationTest.Arithmetic performs inexact float
calculation in test
Key: MESOS-4272
URL: https://issues.apache.org/jira/browse/MESOS-4272
Project: Mesos
Issue Type: Bug
Components: test
Reporter: Benjamin Bannier
Assignee: Benjamin Bannier
Priority: Minor
{{DurationTest.Arithmetic}} does a calculation with not exactly representable
floating point values and also performs an equality check,
{code}
EXPECT_EQ(Duration::create(3.3).get(), Seconds(10) * 0.33);
{code}
Here neither the value {{3.3}} nor {{0.33}} cannot be represented exactly as a
floating point number so the check might fail incorrectly (as it does e.g. when
compiling and executing the test under 32-bit on Debian8).
Instead we should just use exactly representable values to make sure the test
will succeed as long as the implementation behaves as expected.
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