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import {

AsyncTestCompleter,

beforeEach,

ddescribe,

describe,

expect,

iit,

inject,

it,

xdescribe,

xit,

IS_DARTIUM,

Log

} from 'angular2/test_lib';

import {BaseException} from 'angular2/src/facade/lang';

import {ExceptionHandler} from 'angular2/src/core/exception_handler';

class _CustomException {

context = "some context";

toString(): string { return "custom"; }

}

export function main() {

describe('ExceptionHandler', () => {

it("should output exception", () => {

var e = ExceptionHandler.exceptionToString(new BaseException("message!"));

expect(e).toContain("message!");

});

it("should output stackTrace", () => {

var e = ExceptionHandler.exceptionToString(new BaseException("message!"), "stack!");

expect(e).toContain("stack!");

});

it("should join a long stackTrace", () => {

var e =

ExceptionHandler.exceptionToString(new BaseException("message!"), ["stack1", "stack2"]);

expect(e).toContain("stack1");

expect(e).toContain("stack2");

});

it("should output reason when present", () => {

var e = ExceptionHandler.exceptionToString(new BaseException("message!"), null, "reason!");

expect(e).toContain("reason!");

});

describe("context", () => {

it("should print context", () => {

var e = ExceptionHandler.exceptionToString(

new BaseException("message!", null, null, "context!"));

expect(e).toContain("context!");

});

it("should print nested context", () => {

var original = new BaseException("message!", null, null, "context!");

var e = ExceptionHandler.exceptionToString(new BaseException("message", original));

expect(e).toContain("context!");

});

it("should not print context when the passed-in exception is not a BaseException", () => {

var e = ExceptionHandler.exceptionToString(new _CustomException());

expect(e).not.toContain("context");

});

});

describe('original exception', () => {

it("should print original exception message if available (original is BaseException)", () => {

var realOriginal = new BaseException("inner");

var original = new BaseException("wrapped", realOriginal);

var e = ExceptionHandler.exceptionToString(new BaseException("wrappedwrapped", original));

expect(e).toContain("inner");

});

it("should print original exception message if available (original is not BaseException)",

() => {

var realOriginal = new _CustomException();

var original = new BaseException("wrapped", realOriginal);

var e =

ExceptionHandler.exceptionToString(new BaseException("wrappedwrapped", original));

expect(e).toContain("custom");

});

});

describe('original stack', () => {

it("should print original stack if available", () => {

var realOriginal = new BaseException("inner");

var original = new BaseException("wrapped", realOriginal, "originalStack");

var e = ExceptionHandler.exceptionToString(

new BaseException("wrappedwrapped", original, "wrappedStack"));

expect(e).toContain("originalStack");

});

});

});

}