// -*- coding: utf-8 -*-
//  Copyright (C) 2014 Yusuke Suzuki <utatane.tea@gmail.com>
//
//  Redistribution and use in source and binary forms, with or without
//  modification, are permitted provided that the following conditions are met:
//
//    * Redistributions of source code must retain the above copyright
//      notice, this list of conditions and the following disclaimer.
//    * 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 <COPYRIGHT HOLDER> BE LIABLE FOR ANY
//  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
//  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
//  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
//  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
//  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
//  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import { expect } from 'chai';
import { parse } from '../third_party/esprima';
import { analyze } from '..';

describe('ES6 catch', function() {
    it('takes binding pattern', function() {
        const ast = parse(`
            try {
            } catch ({ a, b, c, d }) {
                let e = 20;
                a;
                b;
                let c = 30;
                c;
                d;
            }
        `);

        const scopeManager = analyze(ast, {ecmaVersion: 6});
        expect(scopeManager.scopes).to.have.length(4);

        let scope = scopeManager.scopes[0];
        expect(scope.type).to.be.equal('global');
        expect(scope.block.type).to.be.equal('Program');
        expect(scope.isStrict).to.be.false;
        expect(scope.variables).to.have.length(0);
        expect(scope.references).to.have.length(0);

        scope = scopeManager.scopes[1];
        expect(scope.type).to.be.equal('block');
        expect(scope.block.type).to.be.equal('BlockStatement');
        expect(scope.isStrict).to.be.false;
        expect(scope.variables).to.have.length(0);
        expect(scope.references).to.have.length(0);

        scope = scopeManager.scopes[2];
        expect(scope.type).to.be.equal('catch');
        expect(scope.block.type).to.be.equal('CatchClause');
        expect(scope.isStrict).to.be.false;

        // FIXME After Esprima's bug is fixed, I'll add tests #33
        // https://github.com/estools/escope/issues/33#issuecomment-64135832
        //
        // expect(scope.variables).to.have.length(4);
        // expect(scope.variables[0].name).to.be.equal('a');
        // expect(scope.variables[1].name).to.be.equal('b');
        // expect(scope.variables[2].name).to.be.equal('c');
        // expect(scope.variables[3].name).to.be.equal('d');
        // expect(scope.references).to.have.length(0);

        scope = scopeManager.scopes[3];
        expect(scope.type).to.be.equal('block');
        expect(scope.block.type).to.be.equal('BlockStatement');
        expect(scope.isStrict).to.be.false;
        expect(scope.variables).to.have.length(2);
        expect(scope.variables.map(variable => variable.name)).to.be.eql([
            'e',
            'c'
        ]);
        expect(scope.references.map(ref => ref.identifier.name)).to.be.eql([
            'e',
            'a',
            'b',
            'c',
            'c',
            'd'
        ]);
    });
});

// vim: set sw=4 ts=4 et tw=80 :
