package calculator

import "testing"

func Test_Addition(t *testing.T) {
	// Increment the value
	value := ComputeResult("1+1")
	// Verify the value is equal to 2
	if value != "2" {
		t.Fatalf("1 + 1 is not equal to 2")
	}
}

func Test_Subtraction(t *testing.T) {
	// Increment the value
	value := ComputeResult("1-1")
	// Verify the value is equal to 0
	if value != "0" {
		t.Fatalf("1 - 1 is not equal to 0")
	}
}

func Test_Multiplication(t *testing.T) {
	// Increment the value
	value := ComputeResult("1*4")
	// Verify the value is equal to 4
	if value != "4" {
		t.Fatalf("1 * 4 is not equal to 4")
	}
}

func Test_Division(t *testing.T) {
	// Increment the value
	value := ComputeResult("4/2")
	// Verify the value is equal to 2
	if value != "2" {
		t.Fatalf("4 / 2 is not equal to 2")
	}
}

func Test_AdditionDecimal(t *testing.T) {
	// Increment the value
	value := ComputeResult("1.2+1.3")
	// Verify the value is equal to 2.5
	if value != "2.5" {
		t.Fatalf("1.2 + 1.3 is not equal to 2.5")
	}
}

func Test_SubtractionDecimal(t *testing.T) {
	// Increment the value
	value := ComputeResult("1.3-1.2")
	// Verify the value is equal to 0.1
	if value != "0.1" {
		t.Fatalf("1.3 - 1.2 is not equal to 0.1")
	}
}

func Test_MultiplicationDecimal(t *testing.T) {
	// Increment the value
	value := ComputeResult("3*1.5")
	// Verify the value is equal to 4.5
	if value != "4.5" {
		t.Fatalf("3 * 1.5 is not equal to 4.5")
	}
}

func Test_DivisionDecimal(t *testing.T) {
	// Increment the value
	value := ComputeResult("2/0.5")
	// Verify the value is equal to 4
	if value != "4" {
		t.Fatalf("2 / 0.5 is not equal to 4")
	}
}

func Test_BaseParenthesis(t *testing.T) {
	// Increment the value
	value := ComputeResult("2*(3+4)")
	// Verify the value is equal to 14
	if value != "14" {
		t.Fatalf("2 * (3 + 4) is not equal to 14")
	}
}

func Test_AdvancedParenthesis(t *testing.T) {
	// Increment the value
	value := ComputeResult("2*(3+4/(6-2))")
	// Verify the value is equal to 8
	if value != "8" {
		t.Fatalf("2 * (3 + 4 / (6 - 2)) is not equal to 8")
	}
}

func Test_Negative(t *testing.T) {
	// Increment the value
	value := ComputeResult("-2+10")
	// Verify the value is equal to 8
	if value != "8" {
		t.Fatalf("-2 + 10 is not equal to 8")
	}
}

func Test_Negative2(t *testing.T) {
	// Increment the value
	value := ComputeResult("-2*-10")
	// Verify the value is equal to 20
	if value != "20" {
		t.Fatalf("-2 * -10 is not equal to 20")
	}
}