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#include "src/parser.h"
#include "gtest/gtest.h"
class ParserTest : public ::testing::Test {
};
TEST_F(ParserTest, BasicCalc) {
SimpleParser::Parser p;
EXPECT_EQ(4, p.calculate("2+2"));
EXPECT_EQ(0, p.calculate("2-2"));
EXPECT_EQ(42, p.calculate("21*2"));
EXPECT_EQ(21, p.calculate("42/2"));
}
TEST_F(ParserTest, OperatorPriority) {
SimpleParser::Parser p;
EXPECT_EQ(10, p.calculate("2+2*4"));
EXPECT_EQ(4, p.calculate("2+4/2"));
EXPECT_EQ(42, p.calculate("5+10*4-3"));
EXPECT_EQ(17, p.calculate("10+20/2-3"));
EXPECT_EQ(261, p.calculate("5+2^8"));
EXPECT_EQ(32768, p.calculate("2*2^16/4"));
EXPECT_EQ(32772, p.calculate("2*2^16/4+4"));
}
TEST_F(ParserTest, BracketCalc) {
SimpleParser::Parser p;
EXPECT_EQ(16, p.calculate("(2+2)*4"));
EXPECT_EQ(10, p.calculate("2+(2*4)"));
EXPECT_EQ(10, p.calculate("(10-5)*(5-3)"));
EXPECT_EQ(4, p.calculate("((((2))*((2))))"));
EXPECT_EQ(37, p.calculate("(((5))*(((((3+2*2)))))+2)"));
EXPECT_EQ(6.25, p.calculate("2.5*(2+3-(3/2+1))"));
}
int main(int argc, char **argv) {
testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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