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comments.ts

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namespace ts {

describe("comment parsing", () => {

const withShebang = `#! node

/** comment */

// another one

;`;

const noShebang = `/** comment */

// another one

;`;

const withTrailing = `;/* comment */

// another one

`;

it("skips shebang", () => {

const result = getLeadingCommentRanges(withShebang, 0);

assert.isDefined(result);

assert.strictEqual(result!.length, 2);

});

it("treats all comments at start of file as leading comments", () => {

const result = getLeadingCommentRanges(noShebang, 0);

assert.isDefined(result);

assert.strictEqual(result!.length, 2);

});

it("returns leading comments if position is not 0", () => {

const result = getLeadingCommentRanges(withTrailing, 1);

assert.isDefined(result);

assert.strictEqual(result!.length, 1);

assert.strictEqual(result![0].kind, SyntaxKind.SingleLineCommentTrivia);

});

});

}