java-common-algorithms/src/test/java/generics/GenericArrayTest.java at master · meugenom/java-common-algorithms · GitHub

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packagegenerics;

importorg.junit.jupiter.api.DisplayName;
importorg.junit.jupiter.api.Test;

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

publicclassGenericArrayTest {
@Test
@DisplayName("Test Generic for Integer")
publicvoidtestInteger() {
GenericArray<Integer> arr = newGenericArray<>(3);
arr.set(0, 10);
arr.set(1, 20);
arr.set(2, 30);

assertEquals(Integer.valueOf(10), arr.get(0));
assertEquals(Integer.valueOf(20), arr.get(1));
assertEquals(Integer.valueOf(30), arr.get(2));
System.out.println("Test - GenericArray : Integer - passed ok");
	}

@Test
@DisplayName("Test Generic for String")
publicvoidtestString() {
GenericArray<String> arr = newGenericArray<>(4);
arr.set(0, "Hello");
arr.set(1, " ");
arr.set(2, "World");
arr.set(3, "!");

Stringexpected = "Hello World!";
Stringactual = arr.get(0) + arr.get(1) + arr.get(2) + arr.get(3);
assertEquals(expected, actual);
System.out.println("Test - GenericArray : String - passed ok");
	}

@Test
@DisplayName("Test Get Size")
publicvoidtestGetSize() {
GenericArray<Integer> arr = newGenericArray<>(5);

assertEquals(5, arr.getSize());
System.out.println("Test - GenericArray : getSize() - passed ok");
	}

}