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Add test code for precision

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This commit is contained in:
Benjamin Knecht 2015-10-15 18:32:24 +02:00
parent 38022157b2
commit 9fd1ca8d68
1 changed files with 38 additions and 0 deletions
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38
src/test_lib_json/main.cpp
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@ -1675,6 +1675,43 @@ JSONTEST_FIXTURE(ValueTest, specialFloats) {
JSONTEST_ASSERT_STRING_EQUAL(expected, result);
}
JSONTEST_FIXTURE(ValueTest, precision) {
Json::StreamWriterBuilder b;
b.settings_["precision"] = 5;
Json::Value v = 100.0/3;
std::string expected = "33.333";
std::string result = Json::writeString(b, v);
JSONTEST_ASSERT_STRING_EQUAL(expected, result);
v = 0.25000000;
expected = "0.25";
result = Json::writeString(b, v);
JSONTEST_ASSERT_STRING_EQUAL(expected, result);
v = 0.2563456;
expected = "0.25635";
result = Json::writeString(b, v);
JSONTEST_ASSERT_STRING_EQUAL(expected, result);
b.settings_["precision"] = 1;
expected = "0.3";
result = Json::writeString(b, v);
JSONTEST_ASSERT_STRING_EQUAL(expected, result);
b.settings_["precision"] = 17;
v = 1234857476305.256345694873740545068;
expected = "1234857476305.2563";
result = Json::writeString(b, v);
JSONTEST_ASSERT_STRING_EQUAL(expected, result);
b.settings_["precision"] = 24;
v = 0.256345694873740545068;
expected = "0.25634569487374054";
result = Json::writeString(b, v);
JSONTEST_ASSERT_STRING_EQUAL(expected, result);
}
struct WriterTest : JsonTest::TestCase {};
JSONTEST_FIXTURE(WriterTest, dropNullPlaceholders) {
@ -2489,6 +2526,7 @@ int main(int argc, const char* argv[]) {
JSONTEST_REGISTER_FIXTURE(runner, ValueTest, zeroes);
JSONTEST_REGISTER_FIXTURE(runner, ValueTest, zeroesInKeys);
JSONTEST_REGISTER_FIXTURE(runner, ValueTest, specialFloats);
JSONTEST_REGISTER_FIXTURE(runner, ValueTest, precision);
JSONTEST_REGISTER_FIXTURE(runner, WriterTest, dropNullPlaceholders);
JSONTEST_REGISTER_FIXTURE(runner, StreamWriterTest, dropNullPlaceholders);