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[PULL 08/33] tests/check-qnum: Cover qnum_to_string() for "unround" argu
From: |
Markus Armbruster |
Subject: |
[PULL 08/33] tests/check-qnum: Cover qnum_to_string() for "unround" argument |
Date: |
Sat, 19 Dec 2020 11:55:07 +0100 |
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>
---
tests/check-qnum.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/tests/check-qnum.c b/tests/check-qnum.c
index 4105015872..a73809d021 100644
--- a/tests/check-qnum.c
+++ b/tests/check-qnum.c
@@ -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)
--
2.26.2
- [PULL 00/33] QAPI patches patches for 2020-12-19, Markus Armbruster, 2020/12/19
- [PULL 04/33] tests/check-qjson: Don't skip funny QNumber to JSON conversions, Markus Armbruster, 2020/12/19
- [PULL 01/33] rocker: Revamp fp_port_get_info, Markus Armbruster, 2020/12/19
- [PULL 11/33] string-output-visitor: Fix to use sufficient precision, Markus Armbruster, 2020/12/19
- [PULL 05/33] tests/check-qjson: Examine QNum more thoroughly, Markus Armbruster, 2020/12/19
- [PULL 09/33] qobject: Fix qnum_to_string() to use sufficient precision, Markus Armbruster, 2020/12/19
- [PULL 06/33] tests/check-qjson: Cover number 2^63, Markus Armbruster, 2020/12/19
- [PULL 10/33] test-string-output-visitor: Cover "unround" number, Markus Armbruster, 2020/12/19
- [PULL 08/33] tests/check-qnum: Cover qnum_to_string() for "unround" argument,
Markus Armbruster <=
- [PULL 12/33] test-visitor-serialization: Drop insufficient precision workaround, Markus Armbruster, 2020/12/19
- [PULL 07/33] tests/check-qjson: Replace redundant large_number(), Markus Armbruster, 2020/12/19
- [PULL 02/33] migration: Refactor migrate_cap_add, Markus Armbruster, 2020/12/19
- [PULL 26/33] qobject: Drop qstring_get_try_str(), Markus Armbruster, 2020/12/19
- [PULL 13/33] test-visitor-serialization: Clean up test_primitives(), Markus Armbruster, 2020/12/19
- [PULL 19/33] Revert "qstring: add qstring_free()", Markus Armbruster, 2020/12/19
- [PULL 16/33] qobject: Make qobject_to_json_pretty() take a pretty argument, Markus Armbruster, 2020/12/19
- [PULL 15/33] monitor: Use GString instead of QString for output buffer, Markus Armbruster, 2020/12/19
- [PULL 22/33] qmp: Fix tracing of non-string command IDs, Markus Armbruster, 2020/12/19
- [PULL 20/33] hw/rdma: Replace QList by GQueue, Markus Armbruster, 2020/12/19