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tests/check-qnum: Cover qnum_to_string() for "unround" argument

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qnum_to_string() has a FIXME comment about rounding errors due to
insufficient precision.  Cover it: 2.718281828459045 gets converted to
"2.718282".  The next commit will fix it.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201210161452.2813491-6-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2020-12-10 17:14:47 +01:00
parent 780df5d42b
commit 1a9076919f
1 changed files with 6 additions and 0 deletions
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6
tests/check-qnum.c
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@ -150,6 +150,12 @@ static void qnum_to_string_test(void)
g_assert_cmpstr(tmp, ==, "0.42");
g_free(tmp);
qobject_unref(qn);
qn = qnum_from_double(2.718281828459045);
tmp = qnum_to_string(qn);
g_assert_cmpstr(tmp, ==, "2.718282"); /* BUG */
g_free(tmp);
qobject_unref(qn);
}
int main(int argc, char **argv)