Examples of CallSite

Examples of java.lang.invoke.CallSite

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  @Test
  public void check_bootstrapFunctionInvocation_on_static_field() throws Throwable {
    Lookup lookup = lookup();
    MethodType type = MethodType.methodType(Object.class);
    String name = "fr#insalyon#citi#golo#runtime#FunctionCallSupportTest$Foo#FOO";
    CallSite callSite = FunctionCallSupport.bootstrap(lookup, name, type);
    assertThat((String) callSite.dynamicInvoker().invokeWithArguments(), is("Foo"));
  }
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Examples of java.lang.invoke.CallSite

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  @Test(expectedExceptions = NoSuchMethodError.class)
  public void check_bootstrapFunctionInvocation_on_unexisting_method() throws Throwable {
    Lookup lookup = lookup();
    MethodType type = MethodType.methodType(Object.class, Object.class);
    CallSite callSite = FunctionCallSupport.bootstrap(lookup, "echoz", type);
    callSite.dynamicInvoker().invokeWithArguments("foo");
  }
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Examples of java.lang.invoke.CallSite

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  @Test(expectedExceptions = NoSuchMethodError.class)
  public void check_bootstrapFunctionInvocation_on_method_with_wrong_number_of_parameters() throws Throwable {
    Lookup lookup = lookup();
    MethodType type = MethodType.methodType(Object.class, Object.class, Object.class);
    CallSite callSite = FunctionCallSupport.bootstrap(lookup, "echo", type);
    callSite.dynamicInvoker().invokeWithArguments("foo", "foo");
  }
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Examples of java.lang.invoke.CallSite

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  @Test
  public void check_varargs() throws Throwable {
    Lookup lookup = lookup();
    String name = "fr#insalyon#citi#golo#runtime#FunctionCallSupportTest$Foo#concat";
    MethodType type = MethodType.methodType(Object.class, Object.class, Object.class, Object.class, Object.class);
    CallSite callSite = FunctionCallSupport.bootstrap(lookup, name, type);
    assertThat((String) callSite.dynamicInvoker().invokeWithArguments("-", "a", "b", "c"), is("a-b-c"));

    type = MethodType.methodType(Object.class, Object.class, Object.class);
    callSite = FunctionCallSupport.bootstrap(lookup, name, type);
    assertThat((String) callSite.dynamicInvoker().invokeWithArguments("-", new String[]{"a", "b", "c"}), is("a-b-c"));
  }
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Examples of java.lang.invoke.CallSite

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  public void check_varargs_only() throws Throwable {
    Lookup lookup = lookup();
    String name = "fr#insalyon#citi#golo#runtime#FunctionCallSupportTest$Foo#defaultConcat";

    MethodType type = MethodType.methodType(Object.class, Object.class, Object.class, Object.class);
    CallSite callSite = FunctionCallSupport.bootstrap(lookup, name, type);
    assertThat((String) callSite.dynamicInvoker().invokeWithArguments("a", "b", "c"), is("a-b-c"));

    type = MethodType.methodType(Object.class, Object.class);
    callSite = FunctionCallSupport.bootstrap(lookup, name, type);
    assertThat((String) callSite.dynamicInvoker().invokeWithArguments("a"), is("a"));

    type = MethodType.methodType(Object.class);
    callSite = FunctionCallSupport.bootstrap(lookup, name, type);
    assertThat((String) callSite.dynamicInvoker().invokeWithArguments(), is(""));

    type = MethodType.methodType(Object.class, Object.class);
    callSite = FunctionCallSupport.bootstrap(lookup, name, type);
    assertThat((String) callSite.dynamicInvoker().invokeWithArguments((Object)new String[]{"a", "b", "c"}), is("a-b-c"));
  }
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Examples of java.lang.invoke.CallSite

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  }

  @Test
  public void check_bootstrap() throws Throwable {
    MethodHandle handle = lookup().findStatic(ClosureCallSupportTest.class, "objectToString", genericMethodType(1));
    CallSite callSite = ClosureCallSupport.bootstrap(lookup(), "closure", methodType(Object.class, MethodHandle.class, Object.class));

    MethodHandle invoker = callSite.dynamicInvoker();
    assertThat((String) invoker.invokeWithArguments(handle, 123), is("123"));
    assertThat((String) invoker.invokeWithArguments(handle, 123), is("123"));

    handle = lookup().findStatic(ClosureCallSupportTest.class, "objectToStringDecorated", genericMethodType(1));
    assertThat((String) invoker.invokeWithArguments(handle, 123), is("[123]"));
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Examples of java.lang.invoke.CallSite

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  }

  @Test
  public void check_bootstrap_varargs() throws Throwable {
    MethodHandle handle = lookup().findStatic(ClosureCallSupportTest.class, "concat", genericMethodType(0, true));
    CallSite callSite = ClosureCallSupport.bootstrap(lookup(), "closure", methodType(Object.class, MethodHandle.class, Object.class, Object.class));
    MethodHandle invoker = callSite.dynamicInvoker();
    assertThat((String) invoker.invokeWithArguments(handle, 1, 2), is("12"));

    handle = lookup().findStatic(ClosureCallSupportTest.class, "concat", genericMethodType(0, true));
    callSite = ClosureCallSupport.bootstrap(lookup(), "closure", methodType(Object.class, MethodHandle.class, Object.class));
    invoker = callSite.dynamicInvoker();
    assertThat((String) invoker.invokeWithArguments(handle, 1), is("1"));

    handle = lookup().findStatic(ClosureCallSupportTest.class, "concat", genericMethodType(0, true));
    callSite = ClosureCallSupport.bootstrap(lookup(), "closure", methodType(Object.class, MethodHandle.class));
    invoker = callSite.dynamicInvoker();
    assertThat((String) invoker.invokeWithArguments(handle), is(""));

    handle = lookup().findStatic(ClosureCallSupportTest.class, "concat", genericMethodType(0, true));
    callSite = ClosureCallSupport.bootstrap(lookup(), "closure", methodType(Object.class, MethodHandle.class, Object.class));
    invoker = callSite.dynamicInvoker();
    assertThat((String) invoker.invokeWithArguments(handle, new Object[]{1,2}), is("12"));
  }
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Examples of java.lang.invoke.CallSite

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    return new VarargsChecking();
  }

  @Test
  public void check_to_string() throws Throwable {
    CallSite toString = MethodInvocationSupport.bootstrap(lookup(), "toString", methodType(Object.class, Object.class), 0);
    String result = (String) toString.dynamicInvoker().invokeWithArguments(julien());
    assertThat(result, notNullValue());
    assertThat(result, is("Person{name='Julien', email='julien.ponge@insa-lyon.fr'}"));
  }
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Examples of java.lang.invoke.CallSite

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    assertThat(result, is("Person{name='Julien', email='julien.ponge@insa-lyon.fr'}"));
  }

  @Test
  public void check_set_name() throws Throwable {
    CallSite setName = MethodInvocationSupport.bootstrap(lookup(), "setName", methodType(Object.class, Object.class, Object.class), 0);
    Person julien = julien();
    setName.dynamicInvoker().invokeWithArguments(julien, "Julien Ponge");
    assertThat(julien.name, is("Julien Ponge"));
  }
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Examples of java.lang.invoke.CallSite

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    assertThat(julien.name, is("Julien Ponge"));
  }

  @Test
  public void check_equals() throws Throwable {
    CallSite equals = MethodInvocationSupport.bootstrap(lookup(), "equals", methodType(Object.class, Object.class, Object.class), 0);
    Person julien = julien();
    Boolean result = (Boolean) equals.dynamicInvoker().invokeWithArguments(julien, julien);
    assertThat(result, is(true));
  }
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