@Test
public void ctorTest6_Neg8_4() {
RationalNumber rn = new RationalNumber(-8, 4);
String expected = "-2";
String actual = rn.asString();
assertEquals(expected, actual);
}
@Test
public void ctorTest3_7_4() {
RationalNumber rn = new RationalNumber(7, 4);
String expected = "7/4";
String actual = rn.asString();
assertEquals(expected, actual);
}
@Test
public void ctorTest1_3_0() {
RationalNumber rn = new RationalNumber(3, 0);
String expected = "3";
String actual = rn.asString();
assertEquals(expected, actual);
}
@Test
public void ctorTest9_Neg4_8() {
RationalNumber rn = new RationalNumber(-4, 8);
String expected = "-1/2";
String actual = rn.asString();
assertEquals(expected, actual);
}
@Test
public void ctorTest10_Neg4_Neg4() {
RationalNumber rn = new RationalNumber(-4, -4);
String expected = "1";
String actual = rn.asString();
assertEquals(expected, actual);
}
@Test
public void ctorTest11_4_1() {
RationalNumber rn = new RationalNumber(4, 1);
String expected = "4";
String actual = rn.asString();
assertEquals(expected, actual);
}
@Test
public void asNumberTest5_N5_N2() {
RationalNumber rn = new RationalNumber(-5, -2);
double expected, actual;
expected = 2.5;
actual = rn.asNumber();
assertEquals(expected, actual, 0);
}
@Test
public void asNumberTest3_4_1() {
RationalNumber rn = new RationalNumber(4, 1);
double expected, actual;
expected = 4;
actual = rn.asNumber();
assertEquals(expected, actual, 0);
}
@Test
public void asNumberTest1_4_7() {
RationalNumber rn = new RationalNumber(4, 7);
double expected, actual;
expected = 0.5714285714285714;
actual = rn.asNumber();
assertEquals(expected, actual, 0);
}
@Test
public void asNumberTest2_7_4() {
RationalNumber rn = new RationalNumber(7, 4);
double expected, actual;
expected = 1.75;
actual = rn.asNumber();
assertEquals(expected, actual, 0);
}
@Test
public void addTest9() {
// 96/100 & '-3' = -51/25
RationalNumber rn = new RationalNumber(96, 100);
rn.add(-3);
String actual, expected;
expected = "-51/25";
actual = rn.asString();
assertEquals(expected, actual);
}
@Test
public void addTest2() {
// 3/4 & 2 = 11/4
RationalNumber rn = new RationalNumber(3, 4);
rn.add(2);
String actual, expected;
expected = "11/4";
actual = rn.asString();
assertEquals(expected, actual);
}
@Test
public void addTest1() {
// 3/4 & 2/3 = 17/12
RationalNumber rn = new RationalNumber(3, 4);
rn.add(2, 3);
String actual, expected;
expected = "17/12";
actual = rn.asString();
assertEquals(expected, actual);
}
@Test
public void addTest3() {
// 2 & 5/4 = 13/4
RationalNumber rn = new RationalNumber(2);
rn.add(5, 4);
String actual, expected;
expected = "13/4";
actual = rn.asString();
assertEquals(expected, actual);
}
@Test
public void addTest5() {
// -3/4 & 2/5 = -7/20
RationalNumber rn = new RationalNumber(-3, 4);
rn.add(2, 5);
String actual, expected;
expected = "-7/20";
actual = rn.asString();
assertEquals(expected, actual);
}
@Test
public void addTest6() {
// 3/-4 & 5/-2 = -13/4
RationalNumber rn = new RationalNumber(3, -4);
rn.add(5, -2);
String actual, expected;
expected = "-13/4";
actual = rn.asString();
assertEquals(expected, actual);
}
@Test
public void addTest10() {
// 140/100 & '20/80'
RationalNumber rn = new RationalNumber(140, 100);
rn.add(20, 80);
String actual, expected;
expected = "33/20";
actual = rn.asString();
assertEquals(expected, actual);
}
@Test
public void addTest8() {
// '2 & -100' & 96/100 = 47/50
RationalNumber rn = new RationalNumber(2, -100);
rn.add(96, 100);
String actual, expected;
expected = "47/50";
actual = rn.asString();
assertEquals(expected, actual);
}
