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Fix a precision bug of valueToString, prevent to give an error result… (#1246)

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* Fix a precision bug of valueToString, prevent to give an error result on input of wanted precision 0 and a double value which end of zero before decimal point ,such as 1230.01,12300.1;
Add test cases for double valueToString with precision 0;

* Delete a test case with platform differences in the previous commit

* Fix clang-format.

* Fix clang-format!

Co-authored-by: lilei <dlilei@126.com>
This commit is contained in:
Lei
2020-12-16 03:08:05 +08:00
committed by GitHub
parent 8954092f0a
commit 940982438d
4 changed files with 44 additions and 8 deletions
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28
src/test_lib_json/main.cpp
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@@ -2005,6 +2005,34 @@ JSONTEST_FIXTURE_LOCAL(ValueTest, precision) {
result = Json::writeString(b, v);
JSONTEST_ASSERT_STRING_EQUAL(expected, result);
b.settings_["precision"] = 0;
b.settings_["precisionType"] = "decimal";
v = 123.56345694873740545068;
expected = "124";
result = Json::writeString(b, v);
JSONTEST_ASSERT_STRING_EQUAL(expected, result);
b.settings_["precision"] = 1;
b.settings_["precisionType"] = "decimal";
v = 1230.001;
expected = "1230.0";
result = Json::writeString(b, v);
JSONTEST_ASSERT_STRING_EQUAL(expected, result);
b.settings_["precision"] = 0;
b.settings_["precisionType"] = "decimal";
v = 1230.001;
expected = "1230";
result = Json::writeString(b, v);
JSONTEST_ASSERT_STRING_EQUAL(expected, result);
b.settings_["precision"] = 0;
b.settings_["precisionType"] = "decimal";
v = 1231.5;
expected = "1232";
result = Json::writeString(b, v);
JSONTEST_ASSERT_STRING_EQUAL(expected, result);
b.settings_["precision"] = 10;
b.settings_["precisionType"] = "decimal";
v = 0.23300000;