rainmeter-studio/Common/MathParser_Test.cpp
2013-12-23 16:19:19 +00:00

125 lines
3.7 KiB
C++

/*
Copyright (C) 2013 Rainmeter Team
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "MathParser.h"
#include "UnitTest.h"
namespace MathParser {
TEST_CLASS(Common_MathParser_Test)
{
public:
void ParseAssert(double expected, const WCHAR* formula)
{
double value = 0.0;
Assert::IsNull(Parse(formula, &value));
Assert::AreEqual(expected, value);
}
TEST_METHOD(TestParse)
{
ParseAssert(5.0, L"5");
ParseAssert(5.0, L" 5 ");
ParseAssert(5.0, L"((((5))))");
ParseAssert(10.0, L"(5 + 5)");
ParseAssert(-10.0, L"(-5 - 5)");
ParseAssert(10.0, L"-(-5-5)");
ParseAssert(10.0, L"-(-5+-5)");
ParseAssert(1.0, L"1 && 1");
ParseAssert(0.0, L"1 && 0");
ParseAssert(1.0, L"1 || 1");
ParseAssert(1.0, L"1 || -1");
ParseAssert(0.0, L"1 < 2 && 2 > 1");
ParseAssert(1.0, L"(1 < 2) && (2 > 1)");
ParseAssert(sin(50.0), L"sin(50)");
ParseAssert(-sin(100.0), L"-sin((25 + 25) * 2)");
ParseAssert(1.0, L"01");
ParseAssert(11.0, L"011");
ParseAssert(3.0, L"0b11");
ParseAssert(10.0, L"0xA");
ParseAssert(10.0, L"0o12");
ParseAssert(2.0, L"1 ? 2 : 3");
ParseAssert(3.0, L"0 ? 2 : 3");
ParseAssert(5.0, L"1 ? (2 + 3) : 3");
ParseAssert(2.0, L"1 ? 2 : 3");
ParseAssert(4.0, L"1 ? 2 : 0 ? 4 : 5");
ParseAssert(4.0, L"1 ? 2 : 1 ? 4 : 5");
ParseAssert(2.0, L"1 ? 2 : (1 ? 4 : 5)");
ParseAssert(5.0, L"0?1:(0?1:(0?1:(0?1:(0?1:(0?1:(0?1:(0?1:(0?1:(0?1:(0?1:(0?1:(0?1:(0?1:(0?1:(0?1:(0?1:(0?1:(0?1:(0?1:(0?1:(0?1:(0?1:(0?1:(0?1:(0?1:(0?1:(0?1:(0?1:(0?1:5)))))))))))))))))))))))))))))");
ParseAssert(1.0, L"trunc(1.5)");
ParseAssert(-1.0, L"trunc(-1.5)");
ParseAssert(2.0, L"round(1.555)");
ParseAssert(1.56, L"round(1.555, 2)");
double value;
Assert::IsNotNull(Parse(L"1 ? 0 ? 4 : 5 : 3", &value));
Assert::IsNotNull(Parse(L"++1", &value));
Assert::IsNotNull(Parse(L"((1)", &value));
Assert::IsNotNull(Parse(L"1 / 0", &value));
Assert::IsNotNull(Parse(L"1 &&", &value));
Assert::IsNotNull(Parse(L"a", &value));
Assert::IsNull(Parse(L"e", &value));
Assert::AreEqual(2, (int)value);
Assert::IsNull(Parse(L"pi", &value));
Assert::AreEqual(3, (int)value);
Assert::IsNull(Parse(L"pi", &value, GetValueHelper));
Assert::AreEqual(3, (int)value);
Assert::IsNull(Parse(L"a + 5", &value, GetValueHelper));
Assert::AreEqual(15.0, value);
Assert::IsNull(Parse(L"bbb", &value, GetValueHelper));
Assert::AreEqual(20.0, value);
Assert::IsNull(Parse(L"(ccc_)", &value, GetValueHelper, (void*)1));
Assert::AreEqual(30.0, value);
}
static bool GetValueHelper(const WCHAR* str, int len, double* value, void* context)
{
if (wcsncmp(str, L"a", len) == 0)
{
*value = 10.0;
return true;
}
else if (wcsncmp(str, L"bbb", len) == 0)
{
*value = 20.0;
return true;
}
else if (wcsncmp(str, L"ccc_", len) == 0 && context == (void*)1)
{
*value = 30.0;
return true;
}
else if (wcsncmp(str, L"pi", len) == 0)
{
*value = 40.0;
return true;
}
return false;
}
};
} // namespace StringUtil