TestCalculette.java

package tests;

import calculatrice.Calculatrice;

import static org.junit.Assert.*;

import org.junit.Test;


public class CalculatriceTest {
    
    /*
     * CAS SIMPLES
     */
    
    @Test
    public void test1() {
        assertEquals(Calculatrice.execute("1+1"), "2");
    }
    
    @Test
    public void test2() {
        assertEquals(Calculatrice.execute("2*3"), "6");
    }
    
    @Test
    public void test3() {
        assertEquals(Calculatrice.execute("6/2"), "3");
    }
    
    @Test
    public void test4() {
        assertEquals(Calculatrice.execute("10-9"), "1");
    }
    
    @Test
    public void test5() {
        assertEquals(Calculatrice.execute("11"), "11");
    }
    
    @Test
    public void test6() {
        assertEquals(Calculatrice.execute(""), "");
    }
    
    /*
     * OPERATIONS DE MÊME PRIORITÉ
     */
    
    @Test
    public void test7() {
        assertEquals(Calculatrice.execute("12-3+7+2"), "18");
    }
    
    @Test
    public void test8() {
        assertEquals(Calculatrice.execute("5*2*3/6"), "5");
    }
    
    /*
     * AUTORISER LES ESPACES
     */
    
    @Test
    public void test9() {
        assertEquals(Calculatrice.execute("1 + 2"), "3");
    }
    
    @Test
    public void test10() {
        assertEquals(Calculatrice.execute("5 * 5"), "25");
    }
    
    @Test
    public void test11() {
        assertEquals(Calculatrice.execute("7 + 3 - 2"), "8");
    }
    
    /*
     * AUTORISER LES PARENTHESES
     */
    
    @Test
    public void test12() {
        assertEquals(Calculatrice.execute("(1+2)+3"), "6");
    }
    
    @Test
    public void test13() {
        assertEquals(Calculatrice.execute("(2 + 2) * 4"), "16");
    }
    
    @Test
    public void test14() {
        assertEquals(Calculatrice.execute("(1 + 2) * (3 + 1)"), "12");
    }
    
    /*
     * NOMBRES NEGATIFS
     */
    
    @Test
    public void test15() {
        assertEquals(Calculatrice.execute("-1 + 1"), "0");
    }
    
    @Test
    public void test16() {
        assertEquals(Calculatrice.execute("3 * -1"), "-3");
    }
    
    @Test
    public void test17() {
        assertEquals(Calculatrice.execute("-3 * -4"), "12");
    }
    
    /*
     * RÉELS
     */
    
    @Test
    public void test18() {
        assertEquals(Calculatrice.execute("1/2"), "0.5");
    }
    
    @Test
    public void test19() {
        assertEquals(Calculatrice.execute("0.5 + 0.5"), "1");
    }
    
    @Test
    public void test20() {
        assertEquals(Calculatrice.execute("0.5 * 0.5"), "0.25");
    }
}