rainmeter-studio/Common/MathParser_Test.cpp
2013-08-11 14:29:07 +03:00

121 lines
3.6 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(const WCHAR* formula, double expected)
{
double value = 0.0;
Assert::IsNull(Parse(formula, &value));
Assert::AreEqual(value, expected);
}
TEST_METHOD(TestParse)
{
ParseAssert(L"5", 5.0);
ParseAssert(L" 5 ", 5.0);
ParseAssert(L"((((5))))", 5.0);
ParseAssert(L"(5 + 5)", 10.0);
ParseAssert(L"(-5 - 5)", -10.0);
ParseAssert(L"-(-5-5)", 10.0);
ParseAssert(L"-(-5+-5)", 10.0);
ParseAssert(L"1 && 1", 1.0);
ParseAssert(L"1 && 0", 0.0);
ParseAssert(L"1 || 1", 1.0);
ParseAssert(L"1 || -1", 1.0);
ParseAssert(L"1 < 2 && 2 > 1", 0.0);
ParseAssert(L"(1 < 2) && (2 > 1)", 1.0);
ParseAssert(L"sin(50)", sin(50.0));
ParseAssert(L"-sin((25 + 25) * 2)", -sin(100.0));
ParseAssert(L"01", 1.0);
ParseAssert(L"011", 11.0);
ParseAssert(L"0b11", 3.0);
ParseAssert(L"0xA", 10.0);
ParseAssert(L"0o12", 10.0);
ParseAssert(L"1 ? 2 : 3", 2.0);
ParseAssert(L"0 ? 2 : 3", 3.0);
ParseAssert(L"1 ? (2 + 3) : 3", 5.0);
ParseAssert(L"1 ? 2 : 3", 2.0);
ParseAssert(L"1 ? 2 : 0 ? 4 : 5", 4.0);
ParseAssert(L"1 ? 2 : 1 ? 4 : 5", 4.0);
ParseAssert(L"1 ? 2 : (1 ? 4 : 5)", 2.0);
ParseAssert(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)))))))))))))))))))))))))))))", 5.0);
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((int)value, 2);
Assert::IsNull(Parse(L"pi", &value));
Assert::AreEqual((int)value, 3);
Assert::IsNull(Parse(L"pi", &value, GetValueHelper));
Assert::AreEqual((int)value, 3);
Assert::IsNull(Parse(L"a + 5", &value, GetValueHelper));
Assert::AreEqual(value, 15.0);
Assert::IsNull(Parse(L"bbb", &value, GetValueHelper));
Assert::AreEqual(value, 20.0);
Assert::IsNull(Parse(L"(ccc_)", &value, GetValueHelper, (void*)1));
Assert::AreEqual(value, 30.0);
}
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