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43 package org.netbeans.html.boot.impl;
45 import java.io.IOException;
46 import java.lang.reflect.Field;
47 import java.lang.reflect.Method;
48 import static org.testng.Assert.assertEquals;
49 import static org.testng.Assert.assertTrue;
50 import org.testng.annotations.Test;
54 * @author Jaroslav Tulach <jtulach@netbeans.org>
56 public class JavaScriptProcesorTest {
58 @Test public void detectCallbackToNonExistingClass() throws IOException {
59 String code = "package x.y.z;\n"
60 + "import net.java.html.js.JavaScriptBody;\n"
62 + " @JavaScriptBody(args={\"r\"}, javacall=true, body =\n"
63 + " \"r.@java.lang.Runable::run()();\"\n" // typo
65 + " private static native void callback(Runnable r);\n"
68 Compile c = Compile.create("", code);
70 c.assertError("java.lang.Runable"); // typo
73 @Test public void detectCallbackToNonExistingMethod() throws IOException {
74 String code = "package x.y.z;\n"
75 + "import net.java.html.js.JavaScriptBody;\n"
77 + " @JavaScriptBody(args={\"r\"}, javacall=true, body =\n"
78 + " \"r.@java.lang.Runnable::cancel()();\"\n"
80 + " private static native void callback(Runnable r);\n"
83 Compile c = Compile.create("", code);
85 c.assertError("method cancel");
88 @Test public void detectCallbackToNonExistingParams() throws IOException {
89 String code = "package x.y.z;\n"
90 + "import net.java.html.js.JavaScriptBody;\n"
92 + " @JavaScriptBody(args={\"r\"}, javacall=true, body =\n"
93 + " \"r.@java.lang.Runnable::run(I)(10);\"\n"
95 + " private static native void callback(Runnable r);\n"
98 Compile c = Compile.create("", code);
100 c.assertError("wrong parameters: (I)");
103 @Test public void objectTypeParamsAreOK() throws IOException {
104 String code = "package x.y.z;\n"
105 + "import net.java.html.js.JavaScriptBody;\n"
107 + " @JavaScriptBody(args={\"r\"}, javacall=true, body =\n"
108 + " \"r.@java.lang.Object::equals(Ljava/lang/Object;)(null);\"\n"
110 + " private static native void testEqual(Object r);\n"
113 Compile c = Compile.create("", code);
117 @Test public void generatesCallbacksThatReturnObject() throws Exception {
118 Class<?> callbacksForTestPkg = Class.forName("org.netbeans.html.boot.impl.$JsCallbacks$");
119 Method m = callbacksForTestPkg.getDeclaredMethod("java_lang_Runnable$run$", Runnable.class);
120 assertEquals(m.getReturnType(), Object.class, "All methods always return object");
123 @Test public void hasInstanceField() throws Exception {
124 Class<?> callbacksForTestPkg = Class.forName("org.netbeans.html.boot.impl.$JsCallbacks$");
125 Field f = callbacksForTestPkg.getDeclaredField("VM");
126 f.setAccessible(true);
127 assertTrue(callbacksForTestPkg.isInstance(f.get(null)), "Singleton field VM");