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[PATCH 07/10] test-string-output-visitor: Cover "unround" number
From: |
Markus Armbruster |
Subject: |
[PATCH 07/10] test-string-output-visitor: Cover "unround" number |
Date: |
Thu, 10 Dec 2020 17:14:49 +0100 |
This demonstrates rounding error due to insufficient precision: double
3.1415926535897932 gets converted to JSON 3.141593.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
---
tests/test-string-output-visitor.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tests/test-string-output-visitor.c
b/tests/test-string-output-visitor.c
index 9f6581439a..cec20848ea 100644
--- a/tests/test-string-output-visitor.c
+++ b/tests/test-string-output-visitor.c
@@ -130,13 +130,13 @@ static void test_visitor_out_bool(TestOutputVisitorData
*data,
static void test_visitor_out_number(TestOutputVisitorData *data,
const void *unused)
{
- double value = 3.14;
+ double value = 3.1415926535897932;
char *str;
visit_type_number(data->ov, NULL, &value, &error_abort);
str = visitor_get(data);
- g_assert_cmpstr(str, ==, "3.140000");
+ g_assert_cmpstr(str, ==, "3.141593");
}
static void test_visitor_out_string(TestOutputVisitorData *data,
--
2.26.2
- [PATCH 00/10] Fix floating-point -> text conversion precision, Markus Armbruster, 2020/12/10
- [PATCH 09/10] test-visitor-serialization: Drop insufficient precision workaround, Markus Armbruster, 2020/12/10
- [PATCH 05/10] tests/check-qnum: Cover qnum_to_string() for "unround" argument, Markus Armbruster, 2020/12/10
- [PATCH 03/10] tests/check-qjson: Cover number 2^63, Markus Armbruster, 2020/12/10
- [PATCH 07/10] test-string-output-visitor: Cover "unround" number,
Markus Armbruster <=
- [PATCH 02/10] tests/check-qjson: Examine QNum more thoroughly, Markus Armbruster, 2020/12/10
- [PATCH 01/10] tests/check-qjson: Don't skip funny QNumber to JSON conversions, Markus Armbruster, 2020/12/10
- [PATCH 04/10] tests/check-qjson: Replace redundant large_number(), Markus Armbruster, 2020/12/10
- [PATCH 10/10] test-visitor-serialization: Clean up test_primitives(), Markus Armbruster, 2020/12/10
- [PATCH 08/10] string-output-visitor: Fix to use sufficient precision, Markus Armbruster, 2020/12/10
- [PATCH 06/10] qobject: Fix qnum_to_string() to use sufficient precision, Markus Armbruster, 2020/12/10
- Re: [PATCH 00/10] Fix floating-point -> text conversion precision, no-reply, 2020/12/10