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43 package org.netbeans.html.boot.impl;
45 import java.io.Closeable;
46 import java.lang.reflect.InvocationTargetException;
47 import java.lang.reflect.Method;
48 import java.lang.reflect.Modifier;
49 import java.util.HashMap;
51 import org.netbeans.html.boot.spi.Fn;
52 import org.testng.Assert;
53 import static org.testng.Assert.*;
54 import org.testng.annotations.BeforeMethod;
55 import org.testng.annotations.Test;
59 * @author Jaroslav Tulach
61 public class JsClassLoaderBase {
62 protected static Class<?> methodClass;
64 public JsClassLoaderBase() {
68 public void assertClassDefined() {
69 assertNotNull(methodClass, "BeforeClass set up code should provide methodClass");
72 @Test public void noParamMethod() throws Throwable {
73 Method plus = methodClass.getMethod("fortyTwo");
75 final java.lang.Object val = plus.invoke(null);
76 assertTrue(val instanceof Number, "A number returned " + val);
77 assertEquals(((Number)val).intValue(), 42);
78 } catch (InvocationTargetException ex) {
79 throw ex.getTargetException();
83 @Test public void testExecuteScript() throws Throwable {
84 Method plus = methodClass.getMethod("plus", int.class, int.class);
86 assertEquals(plus.invoke(null, 10, 20), 30);
87 } catch (InvocationTargetException ex) {
88 throw ex.getTargetException();
92 @Test public void overloadedMethod() throws Throwable {
93 Method plus = methodClass.getMethod("plus", int.class);
95 assertEquals(plus.invoke(null, 10), 10);
96 } catch (InvocationTargetException ex) {
97 throw ex.getTargetException();
101 @Test public void instanceMethod() throws Throwable {
102 Method plus = methodClass.getMethod("plusInst", int.class);
103 java.lang.Object inst = methodClass.newInstance();
105 assertEquals(plus.invoke(inst, 10), 10);
106 } catch (InvocationTargetException ex) {
107 throw ex.getTargetException();
111 @Test public void staticThis() throws Throwable {
112 Method st = methodClass.getMethod("staticThis");
114 assertNull(st.invoke(null));
115 } catch (InvocationTargetException ex) {
116 throw ex.getTargetException();
120 @Test public void getThis() throws Throwable {
121 java.lang.Object th = methodClass.newInstance();
122 Method st = methodClass.getMethod("getThis");
124 assertEquals(st.invoke(th), th);
125 } catch (InvocationTargetException ex) {
126 throw ex.getTargetException();
130 @Test public void primitiveArrayReturn() throws Throwable {
131 Method st = methodClass.getMethod("both", double.class, double.class);
134 java.lang.Object arr = st.invoke(null, 2, 5);
136 } catch (InvocationTargetException invoke) {
137 ex = invoke.getTargetException();
139 assertTrue(ex instanceof ClassCastException, "Primitive arrays aren't returned from JavaScript: " + ex);
142 @Test public void truth() throws Throwable {
143 Method st = methodClass.getMethod("truth");
144 assertTrue((st.getModifiers() & Modifier.STATIC) != 0, "Is static");
145 assertEquals(st.invoke(null), Boolean.TRUE, "Can return boolean");
148 @Test public void callback() throws Throwable {
149 class R implements Runnable {
159 Method inc = methodClass.getMethod("callback", Runnable.class);
162 assertEquals(r.cnt, 1, "Callback happened");
165 @Test public void sumArray() throws Throwable {
166 Method st = methodClass.getMethod("sumArr", int[].class);
167 assertEquals(st.invoke(null, new int[] { 1, 2, 3 }), 6, "1+2+3 is six");
170 @Test public void javaScriptResource() throws Throwable {
172 Method st = methodClass.getMethod("useExternalMul", int.class, int.class);
173 assertEquals(st.invoke(null, 6, 7), 42, "Meaning of JavaScript?");
174 } catch (InvocationTargetException ex) {
175 throw ex.getTargetException();
179 @Test public void callJavaScriptMethodOnOwnClass() throws Throwable {
181 java.lang.Object thiz = methodClass.newInstance();
182 Method st = methodClass.getMethod("returnYourSelf", methodClass);
183 assertEquals(st.invoke(null, thiz), thiz, "Returns this");
184 } catch (InvocationTargetException ex) {
185 throw ex.getTargetException();
189 @Test public void callStaticJavaMethod() throws Throwable {
190 Method st = methodClass.getMethod("staticCallback", int.class, int.class);
191 assertEquals(st.invoke(null, 6, 7), 42, "Meaning of JavaScript?");
194 @Test public void callStaticStringParamMethod() throws Throwable {
195 Method st = methodClass.getMethod("parseInt", String.class);
196 assertEquals(st.invoke(null, "42"), 42, "Meaning of JavaScript?");
199 @Test public void passEnum() throws Throwable {
200 Class<?> enmClazz = methodClass.getDeclaredClasses()[0];
201 assertTrue(Enum.class.isAssignableFrom(enmClazz), "It is an enum: " + enmClazz);
202 Class<? extends Enum> enmClazz2 = enmClazz.asSubclass(Enum.class);
203 Method st = methodClass.getMethod("fromEnum", enmClazz);
205 java.lang.Object valueB = Enum.valueOf(enmClazz2, "B");
206 assertEquals(st.invoke(null, valueB), "B", "Converts to string");
209 @Test public void firstLong() throws Throwable {
210 Method st = methodClass.getMethod("chooseLong", boolean.class, boolean.class, long.class, long.class);
211 assertEquals(st.invoke(null, true, false, 10, 20), 10L, "Take first value");
214 @Test public void secondLong() throws Throwable {
215 Method st = methodClass.getMethod("chooseLong", boolean.class, boolean.class, long.class, long.class);
216 assertEquals(st.invoke(null, false, true, 10, 20), 20L, "Take 2nd value");
219 @Test public void bothLong() throws Throwable {
220 Method st = methodClass.getMethod("chooseLong", boolean.class, boolean.class, long.class, long.class);
221 assertEquals(st.invoke(null, true, true, 10, 20), 30L, "Take both values");
224 @Test public void recordError() throws Throwable {
225 Method st = methodClass.getMethod("recordError", java.lang.Object.class);
226 assertEquals(st.invoke(methodClass.newInstance(), "Hello"), "Hello", "The same parameter returned");
229 @Test public void plusOrMul() throws Throwable {
230 Method st = methodClass.getMethod("plusOrMul", int.class, int.class);
231 assertNotNull(Fn.activePresenter(), "Is there a presenter?");
232 Closeable c = Fn.activate(null);
234 assertNull(Fn.activePresenter(), "No presenter now");
235 assertEquals(st.invoke(null, 6, 7), 42, "Mul in Java");
239 assertNotNull(Fn.activePresenter(), "Is there a presenter again");
240 assertEquals(st.invoke(null, 6, 7), 13, "Plus in JavaScript");
241 c = Fn.activate(null);
243 assertNull(Fn.activePresenter(), "No presenter again");
244 assertEquals(st.invoke(null, 6, 7), 42, "Mul in Java");
248 assertNotNull(Fn.activePresenter(), "Is there a presenter again");
249 assertEquals(st.invoke(null, 6, 7), 13, "Plus in JavaScript again");
252 @Test public void arrayInOut() throws Throwable {
253 String[] arr = { "Ahoj" };
254 Method st = methodClass.getMethod("arr", java.lang.Object[].class);
255 java.lang.Object ret = st.invoke(null, (java.lang.Object) arr);
256 assertTrue(ret instanceof java.lang.Object[], "Expecting array: " + ret);
257 java.lang.Object[] res = (java.lang.Object[]) ret;
258 assertEquals(res.length, 1, "One element");
259 assertEquals(res[0], "Ahoj", "The right string");
262 @Test public void parametricCallback() throws Throwable {
263 Map<String,Number> map = new HashMap<String, Number>();
264 Method st = methodClass.getMethod("callParamTypes", Map.class, int.class);
265 st.invoke(null, map, 42);
266 assertEquals(map.get("key").intValue(), 42, "The right value");
269 @Test public void checkTheTypeOfThrownException() throws Throwable {
270 FnContext.currentPresenter(null);
271 assertNull(Fn.activePresenter(), "No presenter is activer right now");
272 java.lang.Object res = null;
274 Method st = methodClass.getMethod("plus", int.class, int.class);
276 res = st.invoke(null, 40, 2);
277 Assert.fail("Native method should throw IllegalStateException. Was: " + res);
278 } catch (InvocationTargetException ex) {
279 throw ex.getTargetException();
281 } catch (IllegalStateException ex) {
282 assertEquals(ex.getMessage(), "No presenter active. Use BrwsrCtx.execute!");