import org.junit.jupiter.api.BeforeEach; import org.junit.jupiter.api.Test; import static org.junit.jupiter.api.Assertions.*; class LargeFormatterTest { LargeFormatter lf; @BeforeEach void setUp() { lf = new LargeFormatter(); } @Test void tinyNumberTest(){ double n = 0.1; String s = "0.10"; assertEquals(s, lf.formatDouble(n)); } @Test void smallNumberTest(){ double n = 10; String s = "10"; assertEquals(s, lf.formatDouble(n)); } @Test void kTest(){ double n = 1000; String s = "1k"; assertEquals(s, lf.formatDouble(n)); } @Test void mTest(){ double n = 10230000; String s = "10.23M"; assertEquals(s, lf.formatDouble(n)); } }