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test-string-output-visitor: Cover "unround" number

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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>
Message-Id: <20201210161452.2813491-8-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2020-12-10 17:14:49 +01:00
parent f917eed306
commit 7b205a7373
1 changed files with 2 additions and 2 deletions
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4
tests/test-string-output-visitor.c
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@ -130,13 +130,13 @@ static void test_visitor_out_bool(TestOutputVisitorData *data,
static void test_visitor_out_number(TestOutputVisitorData *data, static void test_visitor_out_number(TestOutputVisitorData *data,
const void *unused) const void *unused)
{ {
double value = 3.14; double value = 3.1415926535897932;
char *str; char *str;
visit_type_number(data->ov, NULL, &value, &error_abort); visit_type_number(data->ov, NULL, &value, &error_abort);
str = visitor_get(data); str = visitor_get(data);
g_assert_cmpstr(str, ==, "3.140000"); g_assert_cmpstr(str, ==, "3.141593");
} }
static void test_visitor_out_string(TestOutputVisitorData *data, static void test_visitor_out_string(TestOutputVisitorData *data,