NashornTests.java 文件源码

@Test
public void intArrayLengthTest() throws ScriptException {
    Map<String, Object> vars = new HashMap<String, Object>();
    Integer[] l = new Integer[] { 1,2,3 };
    vars.put("l", l);
    String script = "l.length";
    ScriptEngineManager manager = new ScriptEngineManager();
    ScriptEngine engine = manager.getEngineByName("nashorn");
    ScriptContext context = engine.getContext();
    Bindings bindings = context.getBindings(ScriptContext.ENGINE_SCOPE);
    bindings.putAll(vars);
    Compilable compilable = (Compilable)engine;
    CompiledScript compiledScript = compilable.compile(script);
    Object o = compiledScript.eval();
    assertThat(((Number) o).intValue(), equalTo(3));
}