164 lines
7.0 KiB
TypeScript
164 lines
7.0 KiB
TypeScript
/**
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* Copyright (c) 2018 The xterm.js authors. All rights reserved.
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* @license MIT
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*/
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import * as chai from 'chai';
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import { BufferLine } from './BufferLine';
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import { CharData, IBufferLine } from './Types';
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import { NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE } from './Buffer';
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class TestBufferLine extends BufferLine {
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public toArray(): CharData[] {
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const result = [];
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for (let i = 0; i < this.length; ++i) {
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result.push(this.get(i));
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}
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return result;
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}
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}
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describe('BufferLine', function(): void {
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it('ctor', function(): void {
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let line: IBufferLine = new TestBufferLine(0);
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chai.expect(line.length).equals(0);
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chai.expect(line.isWrapped).equals(false);
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line = new TestBufferLine(10);
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chai.expect(line.length).equals(10);
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chai.expect(line.get(0)).eql([0, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);
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chai.expect(line.isWrapped).equals(false);
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line = new TestBufferLine(10, null, true);
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chai.expect(line.length).equals(10);
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chai.expect(line.get(0)).eql([0, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);
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chai.expect(line.isWrapped).equals(true);
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line = new TestBufferLine(10, [123, 'a', 456, 'a'.charCodeAt(0)], true);
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chai.expect(line.length).equals(10);
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chai.expect(line.get(0)).eql([123, 'a', 456, 'a'.charCodeAt(0)]);
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chai.expect(line.isWrapped).equals(true);
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});
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it('insertCells', function(): void {
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const line = new TestBufferLine(3);
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line.set(0, [1, 'a', 0, 'a'.charCodeAt(0)]);
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line.set(1, [2, 'b', 0, 'b'.charCodeAt(0)]);
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line.set(2, [3, 'c', 0, 'c'.charCodeAt(0)]);
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line.insertCells(1, 3, [4, 'd', 0, 'd'.charCodeAt(0)]);
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chai.expect(line.toArray()).eql([
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[1, 'a', 0, 'a'.charCodeAt(0)],
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[4, 'd', 0, 'd'.charCodeAt(0)],
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[4, 'd', 0, 'd'.charCodeAt(0)]
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]);
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});
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it('deleteCells', function(): void {
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const line = new TestBufferLine(5);
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line.set(0, [1, 'a', 0, 'a'.charCodeAt(0)]);
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line.set(1, [2, 'b', 0, 'b'.charCodeAt(0)]);
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line.set(2, [3, 'c', 0, 'c'.charCodeAt(0)]);
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line.set(3, [4, 'd', 0, 'd'.charCodeAt(0)]);
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line.set(4, [5, 'e', 0, 'e'.charCodeAt(0)]);
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line.deleteCells(1, 2, [6, 'f', 0, 'f'.charCodeAt(0)]);
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chai.expect(line.toArray()).eql([
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[1, 'a', 0, 'a'.charCodeAt(0)],
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[4, 'd', 0, 'd'.charCodeAt(0)],
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[5, 'e', 0, 'e'.charCodeAt(0)],
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[6, 'f', 0, 'f'.charCodeAt(0)],
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[6, 'f', 0, 'f'.charCodeAt(0)]
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]);
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});
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it('replaceCells', function(): void {
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const line = new TestBufferLine(5);
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line.set(0, [1, 'a', 0, 'a'.charCodeAt(0)]);
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line.set(1, [2, 'b', 0, 'b'.charCodeAt(0)]);
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line.set(2, [3, 'c', 0, 'c'.charCodeAt(0)]);
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line.set(3, [4, 'd', 0, 'd'.charCodeAt(0)]);
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line.set(4, [5, 'e', 0, 'e'.charCodeAt(0)]);
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line.replaceCells(2, 4, [6, 'f', 0, 'f'.charCodeAt(0)]);
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chai.expect(line.toArray()).eql([
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[1, 'a', 0, 'a'.charCodeAt(0)],
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[2, 'b', 0, 'b'.charCodeAt(0)],
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[6, 'f', 0, 'f'.charCodeAt(0)],
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[6, 'f', 0, 'f'.charCodeAt(0)],
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[5, 'e', 0, 'e'.charCodeAt(0)]
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]);
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});
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it('fill', function(): void {
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const line = new TestBufferLine(5);
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line.set(0, [1, 'a', 0, 'a'.charCodeAt(0)]);
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line.set(1, [2, 'b', 0, 'b'.charCodeAt(0)]);
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line.set(2, [3, 'c', 0, 'c'.charCodeAt(0)]);
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line.set(3, [4, 'd', 0, 'd'.charCodeAt(0)]);
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line.set(4, [5, 'e', 0, 'e'.charCodeAt(0)]);
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line.fill([123, 'z', 0, 'z'.charCodeAt(0)]);
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chai.expect(line.toArray()).eql([
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[123, 'z', 0, 'z'.charCodeAt(0)],
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[123, 'z', 0, 'z'.charCodeAt(0)],
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[123, 'z', 0, 'z'.charCodeAt(0)],
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[123, 'z', 0, 'z'.charCodeAt(0)],
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[123, 'z', 0, 'z'.charCodeAt(0)]
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]);
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});
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it('clone', function(): void {
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const line = new TestBufferLine(5, null, true);
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line.set(0, [1, 'a', 0, 'a'.charCodeAt(0)]);
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line.set(1, [2, 'b', 0, 'b'.charCodeAt(0)]);
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line.set(2, [3, 'c', 0, 'c'.charCodeAt(0)]);
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line.set(3, [4, 'd', 0, 'd'.charCodeAt(0)]);
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line.set(4, [5, 'e', 0, 'e'.charCodeAt(0)]);
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const line2 = line.clone();
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chai.expect(TestBufferLine.prototype.toArray.apply(line2)).eql(line.toArray());
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chai.expect(line2.length).equals(line.length);
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chai.expect(line2.isWrapped).equals(line.isWrapped);
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});
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it('copyFrom', function(): void {
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const line = new TestBufferLine(5);
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line.set(0, [1, 'a', 0, 'a'.charCodeAt(0)]);
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line.set(1, [2, 'b', 0, 'b'.charCodeAt(0)]);
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line.set(2, [3, 'c', 0, 'c'.charCodeAt(0)]);
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line.set(3, [4, 'd', 0, 'd'.charCodeAt(0)]);
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line.set(4, [5, 'e', 0, 'e'.charCodeAt(0)]);
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const line2 = new TestBufferLine(5, [1, 'a', 0, 'a'.charCodeAt(0)], true);
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line2.copyFrom(line);
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chai.expect(line2.toArray()).eql(line.toArray());
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chai.expect(line2.length).equals(line.length);
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chai.expect(line2.isWrapped).equals(line.isWrapped);
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});
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it('should support combining chars', function(): void {
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// CHAR_DATA_CODE_INDEX resembles current behavior in InputHandler.print
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// --> set code to the last charCodeAt value of the string
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// Note: needs to be fixed once the string pointer is in place
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const line = new TestBufferLine(2, [1, 'e\u0301', 0, '\u0301'.charCodeAt(0)]);
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chai.expect(line.toArray()).eql([[1, 'e\u0301', 0, '\u0301'.charCodeAt(0)], [1, 'e\u0301', 0, '\u0301'.charCodeAt(0)]]);
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const line2 = new TestBufferLine(5, [1, 'a', 0, '\u0301'.charCodeAt(0)], true);
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line2.copyFrom(line);
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chai.expect(line2.toArray()).eql(line.toArray());
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const line3 = line.clone();
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chai.expect(TestBufferLine.prototype.toArray.apply(line3)).eql(line.toArray());
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});
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it('resize enlarge', function(): void {
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const line = new TestBufferLine(5, [1, 'a', 0, 'a'.charCodeAt(0)], false);
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line.resize(10, [1, 'a', 0, 'a'.charCodeAt(0)]);
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chai.expect(line.toArray()).eql(Array(10).fill([1, 'a', 0, 'a'.charCodeAt(0)]));
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});
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it('resize shrink(true)', function(): void {
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const line = new TestBufferLine(10, [1, 'a', 0, 'a'.charCodeAt(0)], false);
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line.resize(5, [1, 'a', 0, 'a'.charCodeAt(0)], true);
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chai.expect(line.toArray()).eql(Array(5).fill([1, 'a', 0, 'a'.charCodeAt(0)]));
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});
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it('resize shrink(false)', function(): void {
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const line = new TestBufferLine(10, [1, 'a', 0, 'a'.charCodeAt(0)], false);
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line.resize(5, [1, 'a', 0, 'a'.charCodeAt(0)], false);
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chai.expect(line.toArray()).eql(Array(5).fill([1, 'a', 0, 'a'.charCodeAt(0)]));
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});
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it('resize shrink(false) + shrink(false)', function(): void {
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const line = new TestBufferLine(20, [1, 'a', 0, 'a'.charCodeAt(0)], false);
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line.resize(10, [1, 'a', 0, 'a'.charCodeAt(0)], false);
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line.resize(5, [1, 'a', 0, 'a'.charCodeAt(0)], false);
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chai.expect(line.toArray()).eql(Array(5).fill([1, 'a', 0, 'a'.charCodeAt(0)]));
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});
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it('resize shrink(false) + enlarge', function(): void {
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const line = new TestBufferLine(20, [1, 'a', 0, 'a'.charCodeAt(0)], false);
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line.resize(10, [1, 'a', 0, 'a'.charCodeAt(0)], false);
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line.resize(15, [1, 'a', 0, 'a'.charCodeAt(0)]);
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chai.expect(line.toArray()).eql(Array(15).fill([1, 'a', 0, 'a'.charCodeAt(0)]));
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});
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});
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