# TestDefiningOverloadedFunctions.py
#
# This source file is part of the Swift.org open source project
#
# Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
# Licensed under Apache License v2.0 with Runtime Library Exception
#
# See https://swift.org/LICENSE.txt for license information
# See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
#
# ------------------------------------------------------------------------------
"""
Tests that we can define overloaded functions in the expression parser/REPL
"""
import lldb
from lldbsuite.test.lldbtest import *
from lldbsuite.test.decorators import *
import lldbsuite.test.lldbutil as lldbutil
import os
import unittest2


class TestDefiningOverloadedFunctions(TestBase):
    @swiftTest
    def test_simple_overload_expressions(self):
        """Test defining overloaded functions"""
        self.build()
        lldbutil.run_to_source_breakpoint(
            self, 'Stop here to do your work.', lldb.SBFileSpec('main.swift'))

        # Here's the first function:
        value_obj = self.frame().EvaluateExpression(
            "func $overload(_ a: Int) -> Int { return 1 }\n 1")
        error = value_obj.GetError()
        self.assertSuccess(error)

        lldbutil.check_expression(self, self.frame(), "$overload(10)", "1", use_summary=False)

        # Here's the second function:
        value_obj = self.frame().EvaluateExpression(
            "func $overload(_ a: String) -> Int { return 2 } \n 1")
        error = value_obj.GetError()
        self.assertSuccess(error)

        lldbutil.check_expression(self, self.frame(), '$overload(10)', '1', use_summary=False)
        lldbutil.check_expression(self, self.frame(), '$overload("some string")', '2', use_summary=False)