1package junitparams;
2
3import java.math.BigDecimal;
4
5import org.junit.Test;
6import org.junit.runner.RunWith;
7
8import static org.assertj.core.api.Assertions.*;
9
10@RunWith(JUnitParamsRunner.class)
11public class ParamsInAnnotationTest {
12
13    @Test
14    @Parameters({"1", "2"})
15    public void singleParam(int number) {
16        assertThat(number).isGreaterThan(0);
17    }
18
19    @Test
20    @Parameters({"1, true", "2, false"})
21    public void multipleParamsCommaSeparated(int number, boolean isOne) throws Exception {
22        if (isOne)
23            assertThat(number).isEqualTo(1);
24        else
25            assertThat(number).isNotEqualTo(1);
26    }
27
28    @Test
29    @Parameters({"1 | true", "2 | false"})
30    public void multipleParamsPipeSeparated(int number, boolean isOne) throws Exception {
31        if (isOne)
32            assertThat(number).isEqualTo(1);
33        else
34            assertThat(number).isNotEqualTo(1);
35    }
36
37    @Test
38    @Parameters({"a \n b", "a(asdf)", "a \r a"})
39    public void specialCharsInParam(String a) throws Exception {
40        assertThat(a).isIn("a \n b", "a(asdf)", "a \r a");
41    }
42
43    @Test
44    @Parameters({",1"})
45    public void emptyFirstParam(String empty, int number) {
46        assertThat(empty).isEmpty();
47        assertThat(number).isEqualTo(1);
48    }
49
50    @Test
51    @Parameters({"1,"})
52    public void emptyLastParam(int number, String empty) {
53        assertThat(empty).isEmpty();
54        assertThat(number).isEqualTo(1);
55    }
56
57    @Test
58    @Parameters({"1,,1"})
59    public void emptyMiddleParam(int number1, String empty, int number2) {
60        assertThat(empty).isEmpty();
61        assertThat(number1).isEqualTo(1);
62        assertThat(number2).isEqualTo(1);
63    }
64
65    @Test
66    @Parameters({","})
67    public void allParamsEmpty(String empty1, String empty2) {
68        assertThat(empty1).isEmpty();
69        assertThat(empty2).isEmpty();
70    }
71
72    @Test
73    @Parameters({
74            "1, 1, 1",
75            "1.1, 1.1, 2",
76            "11, 11, 2",
77            "1.11, 1.11, 3"
78    })
79    public void convertToBigDecimal(BigDecimal number, String string, int precision) {
80        assertThat(number).isEqualByComparingTo(string);
81        assertThat(number.precision()).isEqualTo(precision);
82    }
83
84    @Test(expected = IllegalArgumentException.class)
85    @Parameters({" invalidNumber "})
86    public void cannotConvertToBigDecimalForInvalidInput(BigDecimal number) {
87    }
88}
89