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