Java/src/test/java/com/thealgorithms/maths/CeilTest.java at master · TheAlgorithms/Java · GitHub

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packagecom.thealgorithms.maths;

importstaticorg.junit.jupiter.api.Assertions.assertEquals;

importjava.util.stream.Stream;
importorg.junit.jupiter.params.ParameterizedTest;
importorg.junit.jupiter.params.provider.CsvSource;
importorg.junit.jupiter.params.provider.MethodSource;

publicclassCeilTest {

@ParameterizedTest
@CsvSource({"7.057, 8", "7.004, 8", "-13.004, -13", "0.98, 1", "-11.357, -11"})
voidtestCeil(doubleinput, intexpected) {
assertEquals(expected, Ceil.ceil(input));
 }

@ParameterizedTest
@MethodSource("edgeCaseProvider")
voidtestEdgeCases(TestDatadata) {
assertEquals(Ceil.ceil(data.input), data.expected);
 }

recordTestData(doubleinput, doubleexpected) {
 }

staticStream<TestData> edgeCaseProvider() {
returnStream.of(newTestData(Double.MAX_VALUE, Double.MAX_VALUE), newTestData(Double.MIN_VALUE, Math.ceil(Double.MIN_VALUE)), newTestData(0.0, Math.ceil(0.0)), newTestData(-0.0, Math.ceil(-0.0)), newTestData(Double.NaN, Math.ceil(Double.NaN)),
newTestData(Double.NEGATIVE_INFINITY, Math.ceil(Double.NEGATIVE_INFINITY)), newTestData(Double.POSITIVE_INFINITY, Math.ceil(Double.POSITIVE_INFINITY)));
 }
}