#BAEL-16633 split Core Java 9 module - new Java 9 features
This commit is contained in:
Alessio Stalla
@@ -1,44 +0,0 @@
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package com.baeldung.java9;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertSame;
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import java.awt.Image;
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import java.awt.image.BaseMultiResolutionImage;
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import java.awt.image.BufferedImage;
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import java.awt.image.MultiResolutionImage;
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import java.util.List;
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import org.junit.Test;
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public class MultiResultionImageUnitTest {
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@Test
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public void baseMultiResImageTest() {
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int baseIndex = 1;
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int length = 4;
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BufferedImage[] resolutionVariants = new BufferedImage[length];
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for (int i = 0; i < length; i++) {
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resolutionVariants[i] = createImage(i);
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}
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MultiResolutionImage bmrImage = new BaseMultiResolutionImage(baseIndex, resolutionVariants);
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List<Image> rvImageList = bmrImage.getResolutionVariants();
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assertEquals("MultiResoltion Image shoudl contain the same number of resolution variants!", rvImageList.size(), length);
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for (int i = 0; i < length; i++) {
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int imageSize = getSize(i);
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Image testRVImage = bmrImage.getResolutionVariant(imageSize, imageSize);
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assertSame("Images should be the same", testRVImage, resolutionVariants[i]);
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}
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}
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private static int getSize(int i) {
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return 8 * (i + 1);
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}
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private static BufferedImage createImage(int i) {
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return new BufferedImage(getSize(i), getSize(i), BufferedImage.TYPE_INT_RGB);
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}
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}
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@@ -1,21 +0,0 @@
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package com.baeldung.java9;
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import java.util.Optional;
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import java.util.stream.Stream;
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import org.junit.Test;
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import static org.junit.Assert.assertEquals;
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public class OptionalToStreamUnitTest {
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@Test
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public void testOptionalToStream() {
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Optional<String> op = Optional.ofNullable("String value");
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Stream<String> strOptionalStream = op.stream();
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Stream<String> filteredStream = strOptionalStream.filter((str) -> {
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return str != null && str.startsWith("String");
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});
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assertEquals(1, filteredStream.count());
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}
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}
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@@ -1,218 +0,0 @@
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package com.baeldung.java9.httpclient;
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import jdk.incubator.http.HttpClient;
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import jdk.incubator.http.HttpRequest;
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import jdk.incubator.http.HttpResponse;
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import org.junit.Test;
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import java.io.IOException;
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import java.net.*;
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import java.util.Arrays;
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import java.util.List;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.ExecutionException;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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import java.util.stream.Collectors;
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import static org.hamcrest.CoreMatchers.containsString;
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import static org.hamcrest.CoreMatchers.equalTo;
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import static org.hamcrest.collection.IsEmptyCollection.empty;
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import static org.hamcrest.core.IsNot.not;
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import static org.junit.Assert.assertThat;
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/**
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* Created by adam.
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*/
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public class HttpClientTest {
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@Test
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public void shouldReturnSampleDataContentWhenConnectViaSystemProxy() throws IOException, InterruptedException, URISyntaxException {
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HttpRequest request = HttpRequest.newBuilder()
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.uri(new URI("https://postman-echo.com/post"))
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.headers("Content-Type", "text/plain;charset=UTF-8")
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.POST(HttpRequest.BodyProcessor.fromString("Sample body"))
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.build();
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HttpResponse<String> response = HttpClient.newBuilder()
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.proxy(ProxySelector.getDefault())
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.build()
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.send(request, HttpResponse.BodyHandler.asString());
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assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK));
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assertThat(response.body(), containsString("Sample body"));
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}
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@Test
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public void shouldNotFollowRedirectWhenSetToDefaultNever() throws IOException, InterruptedException, URISyntaxException {
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HttpRequest request = HttpRequest.newBuilder()
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.uri(new URI("http://stackoverflow.com"))
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.version(HttpClient.Version.HTTP_1_1)
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.GET()
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.build();
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HttpResponse<String> response = HttpClient.newBuilder()
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.build()
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.send(request, HttpResponse.BodyHandler.asString());
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assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_MOVED_PERM));
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assertThat(response.body(), containsString("https://stackoverflow.com/"));
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}
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@Test
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public void shouldFollowRedirectWhenSetToAlways() throws IOException, InterruptedException, URISyntaxException {
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HttpRequest request = HttpRequest.newBuilder()
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.uri(new URI("http://stackoverflow.com"))
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.version(HttpClient.Version.HTTP_1_1)
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.GET()
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.build();
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HttpResponse<String> response = HttpClient.newBuilder()
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.followRedirects(HttpClient.Redirect.ALWAYS)
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.build()
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.send(request, HttpResponse.BodyHandler.asString());
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assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK));
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assertThat(response.finalRequest()
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.uri()
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.toString(), equalTo("https://stackoverflow.com/"));
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}
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@Test
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public void shouldReturnOKStatusForAuthenticatedAccess() throws URISyntaxException, IOException, InterruptedException {
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HttpRequest request = HttpRequest.newBuilder()
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.uri(new URI("https://postman-echo.com/basic-auth"))
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.GET()
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.build();
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HttpResponse<String> response = HttpClient.newBuilder()
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.authenticator(new Authenticator() {
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@Override
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protected PasswordAuthentication getPasswordAuthentication() {
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return new PasswordAuthentication("postman", "password".toCharArray());
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}
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})
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.build()
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.send(request, HttpResponse.BodyHandler.asString());
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assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK));
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}
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@Test
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public void shouldSendRequestAsync() throws URISyntaxException, InterruptedException, ExecutionException {
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HttpRequest request = HttpRequest.newBuilder()
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.uri(new URI("https://postman-echo.com/post"))
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.headers("Content-Type", "text/plain;charset=UTF-8")
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.POST(HttpRequest.BodyProcessor.fromString("Sample body"))
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.build();
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CompletableFuture<HttpResponse<String>> response = HttpClient.newBuilder()
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.build()
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.sendAsync(request, HttpResponse.BodyHandler.asString());
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assertThat(response.get()
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.statusCode(), equalTo(HttpURLConnection.HTTP_OK));
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}
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@Test
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public void shouldUseJustTwoThreadWhenProcessingSendAsyncRequest() throws URISyntaxException, InterruptedException, ExecutionException {
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HttpRequest request = HttpRequest.newBuilder()
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.uri(new URI("https://postman-echo.com/get"))
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.GET()
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.build();
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ExecutorService executorService = Executors.newFixedThreadPool(2);
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CompletableFuture<HttpResponse<String>> response1 = HttpClient.newBuilder()
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.executor(executorService)
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.build()
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.sendAsync(request, HttpResponse.BodyHandler.asString());
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CompletableFuture<HttpResponse<String>> response2 = HttpClient.newBuilder()
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.executor(executorService)
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.build()
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.sendAsync(request, HttpResponse.BodyHandler.asString());
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CompletableFuture<HttpResponse<String>> response3 = HttpClient.newBuilder()
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.executor(executorService)
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.build()
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.sendAsync(request, HttpResponse.BodyHandler.asString());
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CompletableFuture.allOf(response1, response2, response3)
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.join();
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assertThat(response1.get()
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.statusCode(), equalTo(HttpURLConnection.HTTP_OK));
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assertThat(response2.get()
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.statusCode(), equalTo(HttpURLConnection.HTTP_OK));
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assertThat(response3.get()
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.statusCode(), equalTo(HttpURLConnection.HTTP_OK));
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}
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@Test
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public void shouldNotStoreCookieWhenPolicyAcceptNone() throws URISyntaxException, IOException, InterruptedException {
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HttpRequest request = HttpRequest.newBuilder()
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.uri(new URI("https://postman-echo.com/get"))
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.GET()
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.build();
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HttpClient httpClient = HttpClient.newBuilder()
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.cookieManager(new CookieManager(null, CookiePolicy.ACCEPT_NONE))
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.build();
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httpClient.send(request, HttpResponse.BodyHandler.asString());
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assertThat(httpClient.cookieManager()
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.get()
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.getCookieStore()
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.getCookies(), empty());
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}
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@Test
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public void shouldStoreCookieWhenPolicyAcceptAll() throws URISyntaxException, IOException, InterruptedException {
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HttpRequest request = HttpRequest.newBuilder()
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.uri(new URI("https://postman-echo.com/get"))
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.GET()
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.build();
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HttpClient httpClient = HttpClient.newBuilder()
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.cookieManager(new CookieManager(null, CookiePolicy.ACCEPT_ALL))
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.build();
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httpClient.send(request, HttpResponse.BodyHandler.asString());
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assertThat(httpClient.cookieManager()
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.get()
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.getCookieStore()
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.getCookies(), not(empty()));
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}
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@Test
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public void shouldProcessMultipleRequestViaStream() throws URISyntaxException, ExecutionException, InterruptedException {
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List<URI> targets = Arrays.asList(new URI("https://postman-echo.com/get?foo1=bar1"), new URI("https://postman-echo.com/get?foo2=bar2"));
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HttpClient client = HttpClient.newHttpClient();
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List<CompletableFuture<String>> futures = targets.stream()
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.map(target -> client.sendAsync(HttpRequest.newBuilder(target)
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.GET()
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.build(), HttpResponse.BodyHandler.asString())
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.thenApply(response -> response.body()))
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.collect(Collectors.toList());
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CompletableFuture.allOf(futures.toArray(new CompletableFuture[0]))
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.join();
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if (futures.get(0)
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.get()
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.contains("foo1")) {
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assertThat(futures.get(0)
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.get(), containsString("bar1"));
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assertThat(futures.get(1)
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.get(), containsString("bar2"));
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} else {
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assertThat(futures.get(1)
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.get(), containsString("bar2"));
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assertThat(futures.get(1)
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.get(), containsString("bar1"));
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}
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}
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}
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@@ -1,171 +0,0 @@
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package com.baeldung.java9.httpclient;
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import jdk.incubator.http.HttpClient;
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import jdk.incubator.http.HttpRequest;
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import jdk.incubator.http.HttpResponse;
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import org.junit.Test;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.net.HttpURLConnection;
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import java.net.URI;
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import java.net.URISyntaxException;
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import java.nio.file.Paths;
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import java.security.NoSuchAlgorithmException;
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import java.time.Duration;
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import static java.time.temporal.ChronoUnit.SECONDS;
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import static org.hamcrest.CoreMatchers.containsString;
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import static org.hamcrest.CoreMatchers.equalTo;
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import static org.junit.Assert.assertThat;
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/**
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* Created by adam.
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*/
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public class HttpRequestTest {
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@Test
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public void shouldReturnStatusOKWhenSendGetRequest() throws IOException, InterruptedException, URISyntaxException {
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HttpRequest request = HttpRequest.newBuilder()
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.uri(new URI("https://postman-echo.com/get"))
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.GET()
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.build();
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HttpResponse<String> response = HttpClient.newHttpClient()
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.send(request, HttpResponse.BodyHandler.asString());
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assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK));
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}
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@Test
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public void shouldUseHttp2WhenWebsiteUsesHttp2() throws IOException, InterruptedException, URISyntaxException {
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HttpRequest request = HttpRequest.newBuilder()
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.uri(new URI("https://stackoverflow.com"))
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.version(HttpClient.Version.HTTP_2)
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.GET()
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.build();
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HttpResponse<String> response = HttpClient.newHttpClient()
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.send(request, HttpResponse.BodyHandler.asString());
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assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK));
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assertThat(response.version(), equalTo(HttpClient.Version.HTTP_2));
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}
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@Test
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public void shouldFallbackToHttp1_1WhenWebsiteDoesNotUseHttp2() throws IOException, InterruptedException, URISyntaxException, NoSuchAlgorithmException {
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HttpRequest request = HttpRequest.newBuilder()
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.uri(new URI("https://postman-echo.com/get"))
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.version(HttpClient.Version.HTTP_2)
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.GET()
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.build();
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HttpResponse<String> response = HttpClient.newHttpClient()
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.send(request, HttpResponse.BodyHandler.asString());
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assertThat(response.version(), equalTo(HttpClient.Version.HTTP_1_1));
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}
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@Test
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public void shouldReturnStatusOKWhenSendGetRequestWithDummyHeaders() throws IOException, InterruptedException, URISyntaxException {
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HttpRequest request = HttpRequest.newBuilder()
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.uri(new URI("https://postman-echo.com/get"))
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.headers("key1", "value1", "key2", "value2")
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.GET()
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.build();
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HttpResponse<String> response = HttpClient.newHttpClient()
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.send(request, HttpResponse.BodyHandler.asString());
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assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK));
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}
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@Test
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public void shouldReturnStatusOKWhenSendGetRequestTimeoutSet() throws IOException, InterruptedException, URISyntaxException {
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HttpRequest request = HttpRequest.newBuilder()
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.uri(new URI("https://postman-echo.com/get"))
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.timeout(Duration.of(10, SECONDS))
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.GET()
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.build();
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HttpResponse<String> response = HttpClient.newHttpClient()
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.send(request, HttpResponse.BodyHandler.asString());
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assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK));
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}
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@Test
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public void shouldReturnNoContentWhenPostWithNoBody() throws IOException, InterruptedException, URISyntaxException {
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HttpRequest request = HttpRequest.newBuilder()
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.uri(new URI("https://postman-echo.com/post"))
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.POST(HttpRequest.noBody())
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.build();
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HttpResponse<String> response = HttpClient.newHttpClient()
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.send(request, HttpResponse.BodyHandler.asString());
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assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK));
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}
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@Test
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public void shouldReturnSampleDataContentWhenPostWithBodyText() throws IOException, InterruptedException, URISyntaxException {
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HttpRequest request = HttpRequest.newBuilder()
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.uri(new URI("https://postman-echo.com/post"))
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.headers("Content-Type", "text/plain;charset=UTF-8")
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.POST(HttpRequest.BodyProcessor.fromString("Sample request body"))
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.build();
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HttpResponse<String> response = HttpClient.newHttpClient()
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.send(request, HttpResponse.BodyHandler.asString());
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assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK));
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assertThat(response.body(), containsString("Sample request body"));
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}
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@Test
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public void shouldReturnSampleDataContentWhenPostWithInputStream() throws IOException, InterruptedException, URISyntaxException {
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byte[] sampleData = "Sample request body".getBytes();
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HttpRequest request = HttpRequest.newBuilder()
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.uri(new URI("https://postman-echo.com/post"))
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.headers("Content-Type", "text/plain;charset=UTF-8")
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.POST(HttpRequest.BodyProcessor.fromInputStream(() -> new ByteArrayInputStream(sampleData)))
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.build();
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HttpResponse<String> response = HttpClient.newHttpClient()
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.send(request, HttpResponse.BodyHandler.asString());
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assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK));
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assertThat(response.body(), containsString("Sample request body"));
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}
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@Test
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public void shouldReturnSampleDataContentWhenPostWithByteArrayProcessorStream() throws IOException, InterruptedException, URISyntaxException {
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byte[] sampleData = "Sample request body".getBytes();
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HttpRequest request = HttpRequest.newBuilder()
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.uri(new URI("https://postman-echo.com/post"))
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.headers("Content-Type", "text/plain;charset=UTF-8")
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.POST(HttpRequest.BodyProcessor.fromByteArray(sampleData))
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.build();
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HttpResponse<String> response = HttpClient.newHttpClient()
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.send(request, HttpResponse.BodyHandler.asString());
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assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK));
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assertThat(response.body(), containsString("Sample request body"));
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}
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@Test
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public void shouldReturnSampleDataContentWhenPostWithFileProcessorStream() throws IOException, InterruptedException, URISyntaxException {
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HttpRequest request = HttpRequest.newBuilder()
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.uri(new URI("https://postman-echo.com/post"))
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.headers("Content-Type", "text/plain;charset=UTF-8")
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.POST(HttpRequest.BodyProcessor.fromFile(Paths.get("src/test/resources/sample.txt")))
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.build();
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HttpResponse<String> response = HttpClient.newHttpClient()
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.send(request, HttpResponse.BodyHandler.asString());
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assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK));
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assertThat(response.body(), containsString("Sample file content"));
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}
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}
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@@ -1,55 +0,0 @@
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package com.baeldung.java9.httpclient;
|
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|
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import jdk.incubator.http.HttpClient;
|
||||
import jdk.incubator.http.HttpRequest;
|
||||
import jdk.incubator.http.HttpResponse;
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||||
import org.junit.Test;
|
||||
|
||||
import java.io.IOException;
|
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import java.net.HttpURLConnection;
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import java.net.URI;
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import java.net.URISyntaxException;
|
||||
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||||
import static org.hamcrest.CoreMatchers.equalTo;
|
||||
import static org.hamcrest.Matchers.isEmptyString;
|
||||
import static org.hamcrest.core.IsNot.not;
|
||||
import static org.junit.Assert.assertThat;
|
||||
|
||||
/**
|
||||
* Created by adam.
|
||||
*/
|
||||
public class HttpResponseTest {
|
||||
|
||||
@Test
|
||||
public void shouldReturnStatusOKWhenSendGetRequest() throws IOException, InterruptedException, URISyntaxException {
|
||||
HttpRequest request = HttpRequest.newBuilder()
|
||||
.uri(new URI("https://postman-echo.com/get"))
|
||||
.GET()
|
||||
.build();
|
||||
|
||||
HttpResponse<String> response = HttpClient.newHttpClient()
|
||||
.send(request, HttpResponse.BodyHandler.asString());
|
||||
|
||||
assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK));
|
||||
assertThat(response.body(), not(isEmptyString()));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void shouldResponseURIDifferentThanRequestUIRWhenRedirect() throws IOException, InterruptedException, URISyntaxException {
|
||||
HttpRequest request = HttpRequest.newBuilder()
|
||||
.uri(new URI("http://stackoverflow.com"))
|
||||
.version(HttpClient.Version.HTTP_1_1)
|
||||
.GET()
|
||||
.build();
|
||||
HttpResponse<String> response = HttpClient.newBuilder()
|
||||
.followRedirects(HttpClient.Redirect.ALWAYS)
|
||||
.build()
|
||||
.send(request, HttpResponse.BodyHandler.asString());
|
||||
|
||||
assertThat(request.uri()
|
||||
.toString(), equalTo("http://stackoverflow.com"));
|
||||
assertThat(response.uri()
|
||||
.toString(), equalTo("https://stackoverflow.com/"));
|
||||
}
|
||||
|
||||
}
|
||||
@@ -1,36 +0,0 @@
|
||||
package com.baeldung.java9.language;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
public class DiamondUnitTest {
|
||||
|
||||
static class FooClass<X> {
|
||||
FooClass(X x) {
|
||||
}
|
||||
|
||||
<Z> FooClass(X x, Z z) {
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void diamondTest() {
|
||||
FooClass<Integer> fc = new FooClass<>(1) {
|
||||
};
|
||||
FooClass<? extends Integer> fc0 = new FooClass<>(1) {
|
||||
};
|
||||
FooClass<?> fc1 = new FooClass<>(1) {
|
||||
};
|
||||
FooClass<? super Integer> fc2 = new FooClass<>(1) {
|
||||
};
|
||||
|
||||
FooClass<Integer> fc3 = new FooClass<>(1, "") {
|
||||
};
|
||||
FooClass<? extends Integer> fc4 = new FooClass<>(1, "") {
|
||||
};
|
||||
FooClass<?> fc5 = new FooClass<>(1, "") {
|
||||
};
|
||||
FooClass<? super Integer> fc6 = new FooClass<>(1, "") {
|
||||
};
|
||||
|
||||
}
|
||||
}
|
||||
@@ -1,15 +0,0 @@
|
||||
package com.baeldung.java9.language;
|
||||
|
||||
import com.baeldung.java9.language.PrivateInterface;
|
||||
import org.junit.Test;
|
||||
|
||||
public class PrivateInterfaceUnitTest {
|
||||
|
||||
@Test
|
||||
public void test() {
|
||||
PrivateInterface piClass = new PrivateInterface() {
|
||||
};
|
||||
piClass.check();
|
||||
}
|
||||
|
||||
}
|
||||
@@ -1,67 +0,0 @@
|
||||
package com.baeldung.java9.language;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import org.junit.Test;
|
||||
|
||||
public class TryWithResourcesUnitTest {
|
||||
|
||||
static int closeCount = 0;
|
||||
|
||||
static class MyAutoCloseable implements AutoCloseable {
|
||||
final FinalWrapper finalWrapper = new FinalWrapper();
|
||||
|
||||
public void close() {
|
||||
closeCount++;
|
||||
}
|
||||
|
||||
static class FinalWrapper {
|
||||
public final AutoCloseable finalCloseable = new AutoCloseable() {
|
||||
@Override
|
||||
public void close() throws Exception {
|
||||
closeCount++;
|
||||
}
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void tryWithResourcesTest() {
|
||||
MyAutoCloseable mac = new MyAutoCloseable();
|
||||
|
||||
try (mac) {
|
||||
assertEquals("Expected and Actual does not match", 0, closeCount);
|
||||
}
|
||||
|
||||
try (mac.finalWrapper.finalCloseable) {
|
||||
assertEquals("Expected and Actual does not match", 1, closeCount);
|
||||
} catch (Exception ex) {
|
||||
}
|
||||
|
||||
try (new MyAutoCloseable() { }.finalWrapper.finalCloseable) {
|
||||
assertEquals("Expected and Actual does not match", 2, closeCount);
|
||||
} catch (Exception ex) {
|
||||
}
|
||||
|
||||
try ((closeCount > 0 ? mac : new MyAutoCloseable()).finalWrapper.finalCloseable) {
|
||||
assertEquals("Expected and Actual does not match", 3, closeCount);
|
||||
} catch (Exception ex) {
|
||||
}
|
||||
|
||||
try {
|
||||
throw new CloseableException();
|
||||
} catch (CloseableException ex) {
|
||||
try (ex) {
|
||||
assertEquals("Expected and Actual does not match", 4, closeCount);
|
||||
}
|
||||
}
|
||||
assertEquals("Expected and Actual does not match", 5, closeCount);
|
||||
}
|
||||
|
||||
static class CloseableException extends Exception implements AutoCloseable {
|
||||
@Override
|
||||
public void close() {
|
||||
closeCount++;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
@@ -1,106 +0,0 @@
|
||||
package com.baeldung.java9.varhandles;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
import java.lang.invoke.MethodHandles;
|
||||
import java.lang.invoke.VarHandle;
|
||||
|
||||
import static org.assertj.core.api.Assertions.assertThat;
|
||||
|
||||
public class VariableHandlesTest {
|
||||
|
||||
public int publicTestVariable = 1;
|
||||
private int privateTestVariable = 1;
|
||||
public int variableToSet = 1;
|
||||
public int variableToCompareAndSet = 1;
|
||||
public int variableToGetAndAdd = 0;
|
||||
public byte variableToBitwiseOr = 0;
|
||||
|
||||
@Test
|
||||
public void whenVariableHandleForPublicVariableIsCreated_ThenItIsInitializedProperly() throws NoSuchFieldException, IllegalAccessException {
|
||||
VarHandle publicIntHandle = MethodHandles
|
||||
.lookup()
|
||||
.in(VariableHandlesTest.class)
|
||||
.findVarHandle(VariableHandlesTest.class, "publicTestVariable", int.class);
|
||||
|
||||
assertThat(publicIntHandle.coordinateTypes().size() == 1);
|
||||
assertThat(publicIntHandle.coordinateTypes().get(0) == VariableHandles.class);
|
||||
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenVariableHandleForPrivateVariableIsCreated_ThenItIsInitializedProperly() throws NoSuchFieldException, IllegalAccessException {
|
||||
VarHandle privateIntHandle = MethodHandles
|
||||
.privateLookupIn(VariableHandlesTest.class, MethodHandles.lookup())
|
||||
.findVarHandle(VariableHandlesTest.class, "privateTestVariable", int.class);
|
||||
|
||||
assertThat(privateIntHandle.coordinateTypes().size() == 1);
|
||||
assertThat(privateIntHandle.coordinateTypes().get(0) == VariableHandlesTest.class);
|
||||
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenVariableHandleForArrayVariableIsCreated_ThenItIsInitializedProperly() throws NoSuchFieldException, IllegalAccessException {
|
||||
VarHandle arrayVarHandle = MethodHandles
|
||||
.arrayElementVarHandle(int[].class);
|
||||
|
||||
assertThat(arrayVarHandle.coordinateTypes().size() == 2);
|
||||
assertThat(arrayVarHandle.coordinateTypes().get(0) == int[].class);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenVarHandle_whenGetIsInvoked_ThenValueOfVariableIsReturned() throws NoSuchFieldException, IllegalAccessException {
|
||||
VarHandle publicIntHandle = MethodHandles
|
||||
.lookup()
|
||||
.in(VariableHandlesTest.class)
|
||||
.findVarHandle(VariableHandlesTest.class, "publicTestVariable", int.class);
|
||||
|
||||
assertThat((int) publicIntHandle.get(this) == 1);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenVarHandle_whenSetIsInvoked_ThenValueOfVariableIsChanged() throws NoSuchFieldException, IllegalAccessException {
|
||||
VarHandle publicIntHandle = MethodHandles
|
||||
.lookup()
|
||||
.in(VariableHandlesTest.class)
|
||||
.findVarHandle(VariableHandlesTest.class, "variableToSet", int.class);
|
||||
publicIntHandle.set(this, 15);
|
||||
|
||||
assertThat((int) publicIntHandle.get(this) == 15);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenVarHandle_whenCompareAndSetIsInvoked_ThenValueOfVariableIsChanged() throws NoSuchFieldException, IllegalAccessException {
|
||||
VarHandle publicIntHandle = MethodHandles
|
||||
.lookup()
|
||||
.in(VariableHandlesTest.class)
|
||||
.findVarHandle(VariableHandlesTest.class, "variableToCompareAndSet", int.class);
|
||||
publicIntHandle.compareAndSet(this, 1, 100);
|
||||
|
||||
assertThat((int) publicIntHandle.get(this) == 100);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenVarHandle_whenGetAndAddIsInvoked_ThenValueOfVariableIsChanged() throws NoSuchFieldException, IllegalAccessException {
|
||||
VarHandle publicIntHandle = MethodHandles
|
||||
.lookup()
|
||||
.in(VariableHandlesTest.class)
|
||||
.findVarHandle(VariableHandlesTest.class, "variableToGetAndAdd", int.class);
|
||||
int before = (int) publicIntHandle.getAndAdd(this, 200);
|
||||
|
||||
assertThat(before == 0);
|
||||
assertThat((int) publicIntHandle.get(this) == 200);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenVarHandle_whenGetAndBitwiseOrIsInvoked_ThenValueOfVariableIsChanged() throws NoSuchFieldException, IllegalAccessException {
|
||||
VarHandle publicIntHandle = MethodHandles
|
||||
.lookup()
|
||||
.in(VariableHandlesTest.class)
|
||||
.findVarHandle(VariableHandlesTest.class, "variableToBitwiseOr", byte.class);
|
||||
byte before = (byte) publicIntHandle.getAndBitwiseOr(this, (byte) 127);
|
||||
|
||||
assertThat(before == 0);
|
||||
assertThat(variableToBitwiseOr == 127);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user