angular-cn/packages/compiler/test/output/output_ast_spec.ts

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/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import * as o from '../../src/output/output_ast';
{
describe('OutputAst', () => {
describe('collectExternalReferences', () => {
it('should find expressions of variable types', () => {
const ref1 = new o.ExternalReference('aModule', 'name1');
const ref2 = new o.ExternalReference('aModule', 'name2');
const stmt =
o.variable('test').set(o.NULL_EXPR).toDeclStmt(o.importType(ref1, [o.importType(
ref2) !]));
expect(o.collectExternalReferences([stmt])).toEqual([ref1, ref2]);
});
});
describe('comments', () => {
it('different JSDocCommentStmt should not be equivalent', () => {
const comment1 = new o.JSDocCommentStmt([{text: 'text'}]);
const comment2 = new o.JSDocCommentStmt([{text: 'text2'}]);
const comment3 = new o.JSDocCommentStmt([{tagName: o.JSDocTagName.Desc, text: 'text2'}]);
const comment4 = new o.JSDocCommentStmt([{text: 'text2'}, {text: 'text3'}]);
expect(comment1.isEquivalent(comment2)).toBeFalsy();
expect(comment1.isEquivalent(comment3)).toBeFalsy();
expect(comment1.isEquivalent(comment4)).toBeFalsy();
expect(comment2.isEquivalent(comment3)).toBeFalsy();
expect(comment2.isEquivalent(comment4)).toBeFalsy();
expect(comment3.isEquivalent(comment4)).toBeFalsy();
expect(comment1.isEquivalent(comment1)).toBeTruthy();
});
});
});
}