本文整理了Java中com.eclipsesource.v8.V8.executeDoubleFunction()方法的一些代码示例，展示了V8.executeDoubleFunction()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。V8.executeDoubleFunction()方法的具体详情如下：
包路径：com.eclipsesource.v8.V8
类名称：V8
方法名：executeDoubleFunction

V8.executeDoubleFunction介绍

暂无

代码示例

代码示例来源：origin: eclipsesource/J2V8

/**
 * Invoke a JavaScript function and return the result as a double. If the
 * result is not a double, or does not exist, then V8ResultUndefined is thrown.
 *
 * @param name The name of the JS Function to call.
 *
 * @param parameters The parameters to pass to the function. Parameters must be released.
 *
 * @return A double representing the result of the function call or V8ResultUndefined
 * if the result is not a double.
 */
public double executeDoubleFunction(final String name, final V8Array parameters) {
  v8.checkThread();
  checkReleased();
  v8.checkRuntime(parameters);
  long parametersHandle = parameters == null ? 0 : parameters.getHandle();
  return v8.executeDoubleFunction(v8.getV8RuntimePtr(), getHandle(), name, parametersHandle);
}

代码示例来源：origin: eclipsesource/J2V8

@Test(expected = V8ResultUndefined.class)
public void testResultUndefinedForNoReturnInDoubleFunction() {
  v8.executeVoidScript("function foo() {};");
  v8.executeDoubleFunction("foo", null);
}

代码示例来源：origin: eclipsesource/J2V8

@Test(expected = V8ResultUndefined.class)
public void testResultUndefinedForWrongReturnTypeOfDoubleFunction() {
  v8.executeVoidScript("function foo() {return 'foo';}");
  v8.executeDoubleFunction("foo", null);
}

代码示例来源：origin: eclipsesource/J2V8

@Test(expected = V8ScriptExecutionException.class)
public void testV8ScriptExceptionDoubleCall() {
  v8.executeVoidScript(errorFunction);
  v8.executeDoubleFunction("myFunction", null);
}

代码示例来源：origin: eclipsesource/J2V8

@Test
public void testObjectMethodReturnsDouble() {
  ICallback callback = mock(ICallback.class);
  doReturn(7.7).when(callback).objectMethodNoParameter();
  v8.registerJavaMethod(callback, "objectMethodNoParameter", "foo", new Class<?>[] {});
  double result = v8.executeDoubleFunction("foo", null);
  assertEquals(7.7, result, 0.000001);
}

代码示例来源：origin: eclipsesource/J2V8

@Test
public void testDoubleFunctionCallNullParameters() {
  v8.executeVoidScript("function foo() {return 7.1;}");
  double result = v8.executeDoubleFunction("foo", null);
  assertEquals(7.1, result, 0.000001);
}

代码示例来源：origin: eclipsesource/J2V8

/*** Double Function ***/
@Test
public void testSimpleDoubleFunction() {
  v8.executeVoidScript("function foo() {return 3.14 + 1;}");
  double result = v8.executeDoubleFunction("foo", null);
  assertEquals(4.14, result, 0.000001);
}

代码示例来源：origin: eclipsesource/J2V8

/**
 * Invoke a JavaScript function and return the result as a double. If the
 * result is not a double, or does not exist, then V8ResultUndefined is thrown.
 *
 * @param name The name of the JS Function to call.
 *
 * @param parameters The parameters to pass to the function. Parameters must be released.
 *
 * @return A double representing the result of the function call or V8ResultUndefined
 * if the result is not a double.
 */
public double executeDoubleFunction(final String name, final V8Array parameters) {
  v8.checkThread();
  checkReleased();
  v8.checkRuntime(parameters);
  long parametersHandle = parameters == null ? 0 : parameters.getHandle();
  return v8.executeDoubleFunction(v8.getV8RuntimePtr(), getHandle(), name, parametersHandle);
}

代码示例来源：origin: eclipsesource/J2V8

@Test
public void testDoubleFunctionCallNoParameters() {
  v8.executeVoidScript("function foo() {return 7.2;}");
  V8Array parameters = new V8Array(v8);
  double result = v8.executeDoubleFunction("foo", parameters);
  assertEquals(7.2, result, 0.0000001);
  parameters.close();
}

代码示例来源：origin: eclipsesource/J2V8

@Test(expected = V8ResultUndefined.class)
public void testDoubleFunctionNotDouble() {
  v8.executeVoidScript("function add(x, y) {return 'bar';}");
  V8Array parameters = new V8Array(v8);
  parameters.push(7);
  parameters.push(8);
  try {
    v8.executeDoubleFunction("add", parameters);
  } finally {
    parameters.close();
  }
}

代码示例来源：origin: eclipsesource/J2V8

@Test(expected = V8ResultUndefined.class)
public void testDoubleFunctionNoReturn() {
  v8.executeVoidScript("function add(x, y) {;}");
  V8Array parameters = new V8Array(v8);
  parameters.push(7);
  parameters.push(8);
  try {
    v8.executeDoubleFunction("add", parameters);
  } finally {
    parameters.close();
  }
}

代码示例来源：origin: eclipsesource/J2V8

@Test
public void testDoubleFunctionCall() {
  v8.executeVoidScript("function add(x, y) {return x+y;}");
  V8Array parameters = new V8Array(v8);
  parameters.push(1.1);
  parameters.push(2.2);
  double result = v8.executeDoubleFunction("add", parameters);
  assertEquals(3.3, result, 0.000001);
  parameters.close();
}

代码示例来源：origin: eclipsesource/J2V8

@Test(expected = Error.class)
public void testSharingObjectsAsFunctionCallParameters_DoubleFunction() {
  V8 engine = null;
  V8 engine2 = null;
  try {
    engine = V8.createV8Runtime();
    engine2 = V8.createV8Runtime();
    engine.executeScript("b = function(param){return param;}");
    engine2.executeScript("a = [3.14];");
    V8Array a = (V8Array) engine2.get("a");
    engine.executeDoubleFunction("b", a);
  } finally {
    engine.release(false);
    engine2.release(false);
  }
}

代码示例来源：origin: com.eclipsesource.j2v8/j2v8_win32_x86_64

/**
 * Invoke a JavaScript function and return the result as a double. If the
 * result is not a double, or does not exist, then V8ResultUndefined is thrown.
 *
 * @param name The name of the JS Function to call.
 *
 * @param parameters The parameters to pass to the function. Parameters must be released.
 *
 * @return A double representing the result of the function call or V8ResultUndefined
 * if the result is not a double.
 */
public double executeDoubleFunction(final String name, final V8Array parameters) {
  v8.checkThread();
  checkReleased();
  long parametersHandle = parameters == null ? 0 : parameters.getHandle();
  return v8.executeDoubleFunction(v8.getV8RuntimePtr(), getHandle(), name, parametersHandle);
}

代码示例来源：origin: com.eclipsesource.j2v8/j2v8_macosx_x86_64

/**
 * Invoke a JavaScript function and return the result as a double. If the
 * result is not a double, or does not exist, then V8ResultUndefined is thrown.
 *
 * @param name The name of the JS Function to call.
 *
 * @param parameters The parameters to pass to the function. Parameters must be released.
 *
 * @return A double representing the result of the function call or V8ResultUndefined
 * if the result is not a double.
 */
public double executeDoubleFunction(final String name, final V8Array parameters) {
  v8.checkThread();
  checkReleased();
  long parametersHandle = parameters == null ? 0 : parameters.getHandle();
  return v8.executeDoubleFunction(v8.getV8RuntimePtr(), getHandle(), name, parametersHandle);
}