69 lines
1.5 KiB
Java
69 lines
1.5 KiB
Java
package oving2;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertThrows;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.DisplayName;
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import org.junit.jupiter.api.Test;
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public class AccountTest {
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private static final double epsilon = 0.000001;
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private Account account;
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@BeforeEach
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public void setUp() {
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account = new Account(100, 5);
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}
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@Test
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@DisplayName("Private fields")
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public void testPrivateFields() {
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TestHelper.checkIfFieldsPrivate(Account.class);
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}
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@Test
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public void testConstructor() {
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assertEquals(100.0d, account.getBalance(), epsilon);
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assertEquals(5.0d, account.getInterestRate(), epsilon);
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assertThrows(IllegalArgumentException.class, () -> {
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new Account(-1, 5);
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});
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assertThrows(IllegalArgumentException.class, () -> {
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new Account(100, -1);
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});
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}
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@Test
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public void testSetInterestRate() {
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account.setInterestRate(7);
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assertEquals(7, account.getInterestRate(), epsilon);
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assertThrows(IllegalArgumentException.class, () -> {
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account.setInterestRate(-2);
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});
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}
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@Test
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public void testDeposit() {
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account.deposit(100);
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assertEquals(200.0d, account.getBalance(), epsilon);
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assertThrows(IllegalArgumentException.class, () -> {
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account.deposit(-50);
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});
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}
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@Test
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public void testWithdraw() {
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account.withdraw(50);
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assertEquals(50.0d, account.getBalance(), epsilon);
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assertThrows(IllegalArgumentException.class, () -> {
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account.withdraw(150);
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});
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}
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}
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