124 lines
4.2 KiB
TypeScript
124 lines
4.2 KiB
TypeScript
import {describe, it, expect, beforeEach, ddescribe, iit, xit, el} from 'angular2/testing_internal';
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import {
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isPresent,
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RegExpWrapper,
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RegExpMatcherWrapper,
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StringWrapper,
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CONST_EXPR
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} from 'angular2/src/facade/lang';
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export function main() {
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describe('RegExp', () => {
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it('should expose the index for each match', () => {
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var re = /(!)/g;
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var matcher = RegExpWrapper.matcher(re, '0!23!567!!');
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var indexes = [];
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var m;
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while (isPresent(m = RegExpMatcherWrapper.next(matcher))) {
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indexes.push(m.index);
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expect(m[0]).toEqual('!');
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expect(m[1]).toEqual('!');
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expect(m.length).toBe(2);
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}
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expect(indexes).toEqual([1, 4, 8, 9]);
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});
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it('should reset before it is reused', () => {
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var re = /^['"]/g;
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var str = "'";
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expect(RegExpWrapper.test(re, str)).toEqual(true);
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// If not reset, the second attempt to test results in false
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expect(RegExpWrapper.test(re, str)).toEqual(true);
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});
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});
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describe('const', () => {
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it('should support const expressions both in TS and Dart', () => {
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const numbers = CONST_EXPR([1, 2, 3]);
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expect(numbers).toEqual([1, 2, 3]);
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});
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});
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describe('String', () => {
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var s;
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describe('slice', () => {
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beforeEach(() => { s = "abcdefghij"; });
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it('should return the whole string if neither start nor end are specified',
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() => { expect(StringWrapper.slice(s)).toEqual("abcdefghij"); });
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it('should return up to the end if end is not specified',
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() => { expect(StringWrapper.slice(s, 1)).toEqual("bcdefghij"); });
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it('should support negative start',
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() => { expect(StringWrapper.slice(s, -1)).toEqual("j"); });
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it('should support negative end',
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() => { expect(StringWrapper.slice(s, -3, -1)).toEqual("hi"); });
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it('should return empty string if start is greater than end', () => {
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expect(StringWrapper.slice(s, 4, 2)).toEqual("");
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expect(StringWrapper.slice(s, -2, -4)).toEqual("");
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});
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});
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describe('stripLeft', () => {
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it('should strip the first character of the string if it matches the provided input', () => {
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var input = "~angular2 is amazing";
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var expectedOutput = "angular2 is amazing";
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expect(StringWrapper.stripLeft(input, "~")).toEqual(expectedOutput);
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});
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it('should keep stripping characters from the start until the first unmatched character',
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() => {
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var input = "#####hello";
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var expectedOutput = "hello";
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expect(StringWrapper.stripLeft(input, "#")).toEqual(expectedOutput);
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});
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it('should not alter the provided input if the first character does not match the provided input',
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() => {
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var input = "+angular2 is amazing";
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expect(StringWrapper.stripLeft(input, "*")).toEqual(input);
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});
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it('should not do any alterations when an empty string or null value is passed in', () => {
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expect(StringWrapper.stripLeft("", "S")).toEqual("");
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expect(StringWrapper.stripLeft(null, "S")).toEqual(null);
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});
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});
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describe('stripRight', () => {
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it('should strip the first character of the string if it matches the provided input', () => {
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var input = "angular2 is amazing!";
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var expectedOutput = "angular2 is amazing";
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expect(StringWrapper.stripRight(input, "!")).toEqual(expectedOutput);
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});
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it('should not alter the provided input if the first character does not match the provided input',
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() => {
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var input = "angular2 is amazing+";
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expect(StringWrapper.stripRight(input, "*")).toEqual(input);
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});
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it('should keep stripping characters from the end until the first unmatched character',
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() => {
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var input = "hi&!&&&&&";
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var expectedOutput = "hi&!";
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expect(StringWrapper.stripRight(input, "&")).toEqual(expectedOutput);
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});
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it('should not do any alterations when an empty string or null value is passed in', () => {
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expect(StringWrapper.stripRight("", "S")).toEqual("");
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expect(StringWrapper.stripRight(null, "S")).toEqual(null);
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});
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});
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});
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}
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