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Added further floating point tests.

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This commit is contained in:
Aaron Jacobs 2013-08-08 00:13:10 +00:00
parent 42d918b7aa
commit 4c531bb584
1 changed files with 46 additions and 0 deletions
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46
src/test_lib_json/main.cpp
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@ -991,6 +991,52 @@ JSONTEST_FIXTURE( ValueTest, integers )
JSONTEST_ASSERT_EQUAL(true, val.asBool());
JSONTEST_ASSERT_STRING_EQUAL("-9.223372036854776e+18", normalizeFloatingPointStr(val.asString()));
// 10^19
const uint64_t ten_to_19 = 1e19;
val = Json::Value(Json::UInt64(ten_to_19));
JSONTEST_ASSERT_EQUAL(Json::uintValue, val.type());
checks = IsCheck();
checks.isUInt64_ = true;
checks.isIntegral_ = true;
checks.isDouble_ = true;
checks.isNumeric_ = true;
JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
JSONTEST_ASSERT(!val.isConvertibleTo(Json::intValue));
JSONTEST_ASSERT(!val.isConvertibleTo(Json::uintValue));
JSONTEST_ASSERT_EQUAL(ten_to_19, val.asUInt64());
JSONTEST_ASSERT_EQUAL(ten_to_19, val.asLargestUInt());
JSONTEST_ASSERT_EQUAL(uint64ToDouble(ten_to_19), val.asDouble());
JSONTEST_ASSERT_EQUAL(float(uint64ToDouble(ten_to_19)), val.asFloat());
JSONTEST_ASSERT_EQUAL(true, val.asBool());
JSONTEST_ASSERT_STRING_EQUAL("10000000000000000000", val.asString());
// 10^19 (double constructor). Note that 10^19 is not exactly representable
// as a double.
val = Json::Value(uint64ToDouble(ten_to_19));
JSONTEST_ASSERT_EQUAL(Json::realValue, val.type());
checks = IsCheck();
checks.isUInt64_ = true;
checks.isIntegral_ = true;
checks.isDouble_ = true;
checks.isNumeric_ = true;
JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
JSONTEST_ASSERT(!val.isConvertibleTo(Json::intValue));
JSONTEST_ASSERT(!val.isConvertibleTo(Json::uintValue));
JSONTEST_ASSERT_EQUAL(1e19, val.asDouble());
JSONTEST_ASSERT_EQUAL(1e19, val.asFloat());
JSONTEST_ASSERT_EQUAL(true, val.asBool());
JSONTEST_ASSERT_STRING_EQUAL("1.000000000000000e+19", normalizeFloatingPointStr(val.asString()));
// uint64 max
val = Json::Value(Json::UInt64(kuint64max));