JavaVersionTests Class — spring-boot Architecture

Source Code

core/spring-boot/src/test/java/org/springframework/boot/system/JavaVersionTests.java lines 30–142

class JavaVersionTests {

	@Test
	void getJavaVersionShouldBeAvailable() {
		assertThat(JavaVersion.getJavaVersion()).isNotNull();
	}

	@Test
	void compareToWhenComparingSmallerToGreaterShouldBeLessThanZero() {
		assertThat(JavaVersion.SEVENTEEN).isLessThan(JavaVersion.EIGHTEEN);
	}

	@Test
	void compareToWhenComparingGreaterToSmallerShouldBeGreaterThanZero() {
		assertThat(JavaVersion.EIGHTEEN).isGreaterThan(JavaVersion.SEVENTEEN);
	}

	@Test
	void compareToWhenComparingSameShouldBeZero() {
		assertThat(JavaVersion.SEVENTEEN).isEqualByComparingTo(JavaVersion.SEVENTEEN);
	}

	@Test
	void isEqualOrNewerThanWhenComparingSameShouldBeTrue() {
		assertThat(JavaVersion.SEVENTEEN.isEqualOrNewerThan(JavaVersion.SEVENTEEN)).isTrue();
	}

	@Test
	void isEqualOrNewerThanWhenSmallerToGreaterShouldBeFalse() {
		assertThat(JavaVersion.SEVENTEEN.isEqualOrNewerThan(JavaVersion.EIGHTEEN)).isFalse();
	}

	@Test
	void isEqualOrNewerThanWhenGreaterToSmallerShouldBeTrue() {
		assertThat(JavaVersion.EIGHTEEN.isEqualOrNewerThan(JavaVersion.SEVENTEEN)).isTrue();
	}

	@Test
	void isOlderThanThanWhenComparingSameShouldBeFalse() {
		assertThat(JavaVersion.SEVENTEEN.isOlderThan(JavaVersion.SEVENTEEN)).isFalse();
	}

	@Test
	void isOlderThanWhenSmallerToGreaterShouldBeTrue() {
		assertThat(JavaVersion.SEVENTEEN.isOlderThan(JavaVersion.EIGHTEEN)).isTrue();
	}

	@Test
	void isOlderThanWhenGreaterToSmallerShouldBeFalse() {
		assertThat(JavaVersion.EIGHTEEN.isOlderThan(JavaVersion.SEVENTEEN)).isFalse();
	}

	@Test
	@EnabledOnJre(JRE.JAVA_17)
	void currentJavaVersionSeventeen() {
		assertThat(JavaVersion.getJavaVersion()).isEqualTo(JavaVersion.SEVENTEEN);
	}

	@Test
	@EnabledOnJre(JRE.JAVA_18)
	void currentJavaVersionEighteen() {
		assertThat(JavaVersion.getJavaVersion()).isEqualTo(JavaVersion.EIGHTEEN);
	}

	@Test
	@EnabledOnJre(JRE.JAVA_19)
	void currentJavaVersionNineteen() {
		assertThat(JavaVersion.getJavaVersion()).isEqualTo(JavaVersion.NINETEEN);
	}

	@Test
	@EnabledOnJre(JRE.JAVA_20)
	void currentJavaVersionTwenty() {
		assertThat(JavaVersion.getJavaVersion()).isEqualTo(JavaVersion.TWENTY);
	}

	@Test
	@EnabledOnJre(JRE.JAVA_21)
	void currentJavaVersionTwentyOne() {
		assertThat(JavaVersion.getJavaVersion()).isEqualTo(JavaVersion.TWENTY_ONE);
	}

	@Test
	@EnabledOnJre(JRE.JAVA_22)
	void currentJavaVersionTwentyTwo() {
		assertThat(JavaVersion.getJavaVersion()).isEqualTo(JavaVersion.TWENTY_TWO);
	}

	@Test
	@EnabledOnJre(JRE.JAVA_23)
	void currentJavaVersionTwentyThree() {
		assertThat(JavaVersion.getJavaVersion()).isEqualTo(JavaVersion.TWENTY_THREE);
	}

	@Test
	@EnabledOnJre(JRE.JAVA_24)
	void currentJavaVersionTwentyFour() {
		assertThat(JavaVersion.getJavaVersion()).isEqualTo(JavaVersion.TWENTY_FOUR);
	}

	@Test
	@EnabledOnJre(JRE.JAVA_25)
	void currentJavaVersionTwentyFive() {
		assertThat(JavaVersion.getJavaVersion()).isEqualTo(JavaVersion.TWENTY_FIVE);
	}

	@Test
	@EnabledOnJre(JRE.JAVA_26)
	void currentJavaVersionTwentySix() {
		assertThat(JavaVersion.getJavaVersion()).isEqualTo(JavaVersion.TWENTY_SIX);
	}

}