/*
 * Copyright (c) 2017, 2021, Oracle and/or its affiliates.
 * Copyright (c) 2013, Regents of the University of California
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of
 * conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
 * conditions and the following disclaimer in the documentation and/or other materials provided
 * with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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package com.oracle.graal.python.test.grammar;

import static com.oracle.graal.python.test.PythonTests.assertPrints;

import org.junit.Test;

public class CallTests {

    @Test
    public void singleFunctionCall() {
        String source = "def foo():\n" + //
                        "  print(42)\n" + //
                        "foo()\n";
        assertPrints("42\n", source);
    }

    @Test
    public void simple() {
        String source = "def foo():\n" + //
                        "  return 1\n" + //
                        "a = foo() - foo()\n" + //
                        "print(a)\n";
        assertPrints("0\n", source);
    }

    @Test
    public void defaultArgs() {
        String source = "foo = 1\n" + //
                        "def bar(f=foo):\n" + //
                        "    print(f)\n" + //
                        "bar()\n" + //
                        "foo = 2\n" + //
                        "bar(4)\n";

        assertPrints("1\n4\n", source);
    }

    @Test
    public void keywordArgs() {
        String source = "def bar(f):\n" + //
                        "    print(f)\n" + //
                        "bar(f = 2)\n" + //
                        "bar(4)\n";

        assertPrints("2\n4\n", source);
    }

    @Test
    public void classFunction() {
        String source = "class Foo:\n" + //
                        "  def __init__(self, num):\n" + //
                        "    self.num = num\n" + //
                        "  def func(self):\n" + //
                        "    print(self.num)\n" + //
                        "\n" + //
                        "foo = Foo(42)\n" + //
                        "Foo.func(foo)\n";

        assertPrints("42\n", source);
    }

    @Test
    public void objectMethod() {
        String source = "class Foo:\n" + //
                        "  def __init__(self, num):\n" + //
                        "    self.num = num\n" + //
                        "  def func(self):\n" + //
                        "    print(self.num)\n" + //
                        "\n" + //
                        "foo = Foo(42)\n" + //
                        "foo.func()\n";

        assertPrints("42\n", source);
    }

    @Test
    public void splatPlusKwsMethod() {
        String source = "class Foo:\n" + //
                        "  def __init__(self, *, num=None):\n" + //
                        "    print(num)\n" + //
                        "\n" + //
                        "foo = Foo(num=42)\n";

        assertPrints("42\n", source);
    }
}
