-var assert = require('chai').assert;
-var expect = require('chai').expect;
-var Terminal = require('../build/xterm');
-
-describe('xterm.js', function() {
- var xterm;
-
- beforeEach(function () {
- xterm = new Terminal();
- xterm.refresh = function(){};
- xterm.viewport = {
- syncScrollArea: function(){}
- };
- });
-
- describe('getOption', function() {
- it('should retrieve the option correctly', function() {
- // In the `options` namespace.
- xterm.options.cursorBlink = true;
- assert.equal(xterm.getOption('cursorBlink'), true);
-
- // On the Terminal instance
- delete xterm.options.cursorBlink;
- xterm.cursorBlink = false;
- assert.equal(xterm.getOption('cursorBlink'), false);
- });
- it('should throw when retrieving a non-existant option', function() {
- assert.throws(xterm.getOption.bind(xterm, 'fake', true));
- });
- });
-
- describe('setOption', function() {
- it('should set the option correctly', function() {
- xterm.setOption('cursorBlink', true);
- assert.equal(xterm.cursorBlink, true);
- assert.equal(xterm.options.cursorBlink, true);
- xterm.setOption('cursorBlink', false);
- assert.equal(xterm.cursorBlink, false);
- assert.equal(xterm.options.cursorBlink, false);
- });
- it('should throw when setting a non-existant option', function() {
- assert.throws(xterm.setOption.bind(xterm, 'fake', true));
- });
- });
-
- describe('clear', function() {
- it('should clear a buffer equal to rows', function() {
- var promptLine = xterm.lines[xterm.ybase + xterm.y];
- xterm.clear();
- assert.equal(xterm.y, 0);
- assert.equal(xterm.ybase, 0);
- assert.equal(xterm.ydisp, 0);
- assert.equal(xterm.lines.length, xterm.rows);
- assert.deepEqual(xterm.lines[0], promptLine);
- for (var i = 1; i < xterm.rows; i++) {
- assert.deepEqual(xterm.lines[0], xterm.blankLine());
- }
- });
- it('should clear a buffer larger than rows', function() {
- // Fill the buffer with dummy rows
- for (var i = 0; i < xterm.rows * 2; i++) {
- xterm.write('test\n');
- }
-
- var promptLine = xterm.lines[xterm.ybase + xterm.y];
- xterm.clear();
- assert.equal(xterm.y, 0);
- assert.equal(xterm.ybase, 0);
- assert.equal(xterm.ydisp, 0);
- assert.equal(xterm.lines.length, xterm.rows);
- assert.deepEqual(xterm.lines[0], promptLine);
- for (var i = 1; i < xterm.rows; i++) {
- assert.deepEqual(xterm.lines[i], xterm.blankLine());
- }
- });
- it('should not break the prompt when cleared twice', function() {
- var promptLine = xterm.lines[xterm.ybase + xterm.y];
- xterm.clear();
- xterm.clear();
- assert.equal(xterm.y, 0);
- assert.equal(xterm.ybase, 0);
- assert.equal(xterm.ydisp, 0);
- assert.equal(xterm.lines.length, xterm.rows);
- assert.deepEqual(xterm.lines[0], promptLine);
- for (var i = 1; i < xterm.rows; i++) {
- assert.deepEqual(xterm.lines[i], xterm.blankLine());
- }
- });
- });
-
- describe('scroll', function() {
- describe('scrollDisp', function() {
- var startYDisp;
- beforeEach(function() {
- for (var i = 0; i < xterm.rows * 2; i++) {
- xterm.writeln('test');
- }
- startYDisp = xterm.rows + 1;
- });
- it('should scroll a single line', function() {
- assert.equal(xterm.ydisp, startYDisp);
- xterm.scrollDisp(-1);
- assert.equal(xterm.ydisp, startYDisp - 1);
- xterm.scrollDisp(1);
- assert.equal(xterm.ydisp, startYDisp);
- });
- it('should scroll multiple lines', function() {
- assert.equal(xterm.ydisp, startYDisp);
- xterm.scrollDisp(-5);
- assert.equal(xterm.ydisp, startYDisp - 5);
- xterm.scrollDisp(5);
- assert.equal(xterm.ydisp, startYDisp);
- });
- it('should not scroll beyond the bounds of the buffer', function() {
- assert.equal(xterm.ydisp, startYDisp);
- xterm.scrollDisp(1);
- assert.equal(xterm.ydisp, startYDisp);
- for (var i = 0; i < startYDisp; i++) {
- xterm.scrollDisp(-1);
- }
- assert.equal(xterm.ydisp, 0);
- xterm.scrollDisp(-1);
- assert.equal(xterm.ydisp, 0);
- });
- });
-
- describe('scrollPages', function() {
- var startYDisp;
- beforeEach(function() {
- for (var i = 0; i < xterm.rows * 3; i++) {
- xterm.writeln('test');
- }
- startYDisp = (xterm.rows * 2) + 1;
- });
- it('should scroll a single page', function() {
- assert.equal(xterm.ydisp, startYDisp);
- xterm.scrollPages(-1);
- assert.equal(xterm.ydisp, startYDisp - (xterm.rows - 1));
- xterm.scrollPages(1);
- assert.equal(xterm.ydisp, startYDisp);
- });
- it('should scroll a multiple pages', function() {
- assert.equal(xterm.ydisp, startYDisp);
- xterm.scrollPages(-2);
- assert.equal(xterm.ydisp, startYDisp - (xterm.rows - 1) * 2);
- xterm.scrollPages(2);
- assert.equal(xterm.ydisp, startYDisp);
- });
- });
-
- describe('scrollToTop', function() {
- beforeEach(function() {
- for (var i = 0; i < xterm.rows * 3; i++) {
- xterm.writeln('test');
- }
- });
- it('should scroll to the top', function() {
- assert.notEqual(xterm.ydisp, 0);
- xterm.scrollToTop();
- assert.equal(xterm.ydisp, 0);
- });
- });
-
- describe('scrollToBottom', function() {
- var startYDisp;
- beforeEach(function() {
- for (var i = 0; i < xterm.rows * 3; i++) {
- xterm.writeln('test');
- }
- startYDisp = (xterm.rows * 2) + 1;
- });
- it('should scroll to the bottom', function() {
- xterm.scrollDisp(-1);
- xterm.scrollToBottom();
- assert.equal(xterm.ydisp, startYDisp);
- xterm.scrollPages(-1);
- xterm.scrollToBottom();
- assert.equal(xterm.ydisp, startYDisp);
- xterm.scrollToTop();
- xterm.scrollToBottom();
- assert.equal(xterm.ydisp, startYDisp);
- });
- });
- });
-
- describe('evaluateKeyEscapeSequence', function() {
- it('should return the correct escape sequence for unmodified keys', function() {
- // Backspace
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 8 }).key, '\x7f'); // ^?
- // Tab
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 9 }).key, '\t');
- // Return/enter
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 13 }).key, '\r'); // CR
- // Escape
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 27 }).key, '\x1b');
- // Page up, page down
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 33 }).key, '\x1b[5~'); // CSI 5 ~
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 34 }).key, '\x1b[6~'); // CSI 6 ~
- // End, Home
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 35 }).key, '\x1b[F'); // SS3 F
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 36 }).key, '\x1b[H'); // SS3 H
- // Left, up, right, down arrows
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 37 }).key, '\x1b[D'); // CSI D
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 38 }).key, '\x1b[A'); // CSI A
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 39 }).key, '\x1b[C'); // CSI C
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 40 }).key, '\x1b[B'); // CSI B
- // Insert
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 45 }).key, '\x1b[2~'); // CSI 2 ~
- // Delete
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 46 }).key, '\x1b[3~'); // CSI 3 ~
- // F1-F12
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 112 }).key, '\x1bOP'); // SS3 P
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 113 }).key, '\x1bOQ'); // SS3 Q
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 114 }).key, '\x1bOR'); // SS3 R
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 115 }).key, '\x1bOS'); // SS3 S
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 116 }).key, '\x1b[15~'); // CSI 1 5 ~
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 117 }).key, '\x1b[17~'); // CSI 1 7 ~
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 118 }).key, '\x1b[18~'); // CSI 1 8 ~
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 119 }).key, '\x1b[19~'); // CSI 1 9 ~
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 120 }).key, '\x1b[20~'); // CSI 2 0 ~
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 121 }).key, '\x1b[21~'); // CSI 2 1 ~
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 122 }).key, '\x1b[23~'); // CSI 2 3 ~
- assert.equal(xterm.evaluateKeyEscapeSequence({ keyCode: 123 }).key, '\x1b[24~'); // CSI 2 4 ~
- });
- it('should return \\x1b[3;5~ for ctrl+delete', function() {
- assert.equal(xterm.evaluateKeyEscapeSequence({ ctrlKey: true, keyCode: 46 }).key, '\x1b[3;5~');
- });
- it('should return \\x1b[3;2~ for shift+delete', function() {
- assert.equal(xterm.evaluateKeyEscapeSequence({ shiftKey: true, keyCode: 46 }).key, '\x1b[3;2~');
- });
- it('should return \\x1b[3;3~ for alt+delete', function() {
- assert.equal(xterm.evaluateKeyEscapeSequence({ altKey: true, keyCode: 46 }).key, '\x1b[3;3~');
- });
- it('should return \\x1b[5D for ctrl+left', function() {
- assert.equal(xterm.evaluateKeyEscapeSequence({ ctrlKey: true, keyCode: 37 }).key, '\x1b[1;5D'); // CSI 5 D
- });
- it('should return \\x1b[5C for ctrl+right', function() {
- assert.equal(xterm.evaluateKeyEscapeSequence({ ctrlKey: true, keyCode: 39 }).key, '\x1b[1;5C'); // CSI 5 C
- });
- it('should return \\x1b[5A for ctrl+up', function() {
- assert.equal(xterm.evaluateKeyEscapeSequence({ ctrlKey: true, keyCode: 38 }).key, '\x1b[1;5A'); // CSI 5 A
- });
- it('should return \\x1b[5B for ctrl+down', function() {
- assert.equal(xterm.evaluateKeyEscapeSequence({ ctrlKey: true, keyCode: 40 }).key, '\x1b[1;5B'); // CSI 5 B
- });
- // Evalueate alt + arrow key movement, which is a feature of terminal emulators but not VT100
- // http://unix.stackexchange.com/a/108106
- it('should return \\x1b[5D for alt+left', function() {
- assert.equal(xterm.evaluateKeyEscapeSequence({ altKey: true, keyCode: 37 }).key, '\x1b[1;5D'); // CSI 5 D
- });
- it('should return \\x1b[5C for alt+right', function() {
- assert.equal(xterm.evaluateKeyEscapeSequence({ altKey: true, keyCode: 39 }).key, '\x1b[1;5C'); // CSI 5 C
- });
- it('should return \\x1b[5A for alt+up', function() {
- assert.equal(xterm.evaluateKeyEscapeSequence({ altKey: true, keyCode: 38 }).key, '\x1b[1;5A'); // CSI 5 A
- });
- it('should return \\x1b[5B for alt+down', function() {
- assert.equal(xterm.evaluateKeyEscapeSequence({ altKey: true, keyCode: 40 }).key, '\x1b[1;5B'); // CSI 5 B
- });
- it('should return the correct escape sequence for modified F1-F12 keys', function() {
- assert.equal(xterm.evaluateKeyEscapeSequence({ shiftKey: true, keyCode: 112 }).key, '\x1b[1;2P');
- assert.equal(xterm.evaluateKeyEscapeSequence({ shiftKey: true, keyCode: 113 }).key, '\x1b[1;2Q');
- assert.equal(xterm.evaluateKeyEscapeSequence({ shiftKey: true, keyCode: 114 }).key, '\x1b[1;2R');
- assert.equal(xterm.evaluateKeyEscapeSequence({ shiftKey: true, keyCode: 115 }).key, '\x1b[1;2S');
- assert.equal(xterm.evaluateKeyEscapeSequence({ shiftKey: true, keyCode: 116 }).key, '\x1b[15;2~');
- assert.equal(xterm.evaluateKeyEscapeSequence({ shiftKey: true, keyCode: 117 }).key, '\x1b[17;2~');
- assert.equal(xterm.evaluateKeyEscapeSequence({ shiftKey: true, keyCode: 118 }).key, '\x1b[18;2~');
- assert.equal(xterm.evaluateKeyEscapeSequence({ shiftKey: true, keyCode: 119 }).key, '\x1b[19;2~');
- assert.equal(xterm.evaluateKeyEscapeSequence({ shiftKey: true, keyCode: 120 }).key, '\x1b[20;2~');
- assert.equal(xterm.evaluateKeyEscapeSequence({ shiftKey: true, keyCode: 121 }).key, '\x1b[21;2~');
- assert.equal(xterm.evaluateKeyEscapeSequence({ shiftKey: true, keyCode: 122 }).key, '\x1b[23;2~');
- assert.equal(xterm.evaluateKeyEscapeSequence({ shiftKey: true, keyCode: 123 }).key, '\x1b[24;2~');
- assert.equal(xterm.evaluateKeyEscapeSequence({ altKey: true, keyCode: 112 }).key, '\x1b[1;3P');
- assert.equal(xterm.evaluateKeyEscapeSequence({ altKey: true, keyCode: 113 }).key, '\x1b[1;3Q');
- assert.equal(xterm.evaluateKeyEscapeSequence({ altKey: true, keyCode: 114 }).key, '\x1b[1;3R');
- assert.equal(xterm.evaluateKeyEscapeSequence({ altKey: true, keyCode: 115 }).key, '\x1b[1;3S');
- assert.equal(xterm.evaluateKeyEscapeSequence({ altKey: true, keyCode: 116 }).key, '\x1b[15;3~');
- assert.equal(xterm.evaluateKeyEscapeSequence({ altKey: true, keyCode: 117 }).key, '\x1b[17;3~');
- assert.equal(xterm.evaluateKeyEscapeSequence({ altKey: true, keyCode: 118 }).key, '\x1b[18;3~');
- assert.equal(xterm.evaluateKeyEscapeSequence({ altKey: true, keyCode: 119 }).key, '\x1b[19;3~');
- assert.equal(xterm.evaluateKeyEscapeSequence({ altKey: true, keyCode: 120 }).key, '\x1b[20;3~');
- assert.equal(xterm.evaluateKeyEscapeSequence({ altKey: true, keyCode: 121 }).key, '\x1b[21;3~');
- assert.equal(xterm.evaluateKeyEscapeSequence({ altKey: true, keyCode: 122 }).key, '\x1b[23;3~');
- assert.equal(xterm.evaluateKeyEscapeSequence({ altKey: true, keyCode: 123 }).key, '\x1b[24;3~');
-
- assert.equal(xterm.evaluateKeyEscapeSequence({ ctrlKey: true, keyCode: 112 }).key, '\x1b[1;5P');
- assert.equal(xterm.evaluateKeyEscapeSequence({ ctrlKey: true, keyCode: 113 }).key, '\x1b[1;5Q');
- assert.equal(xterm.evaluateKeyEscapeSequence({ ctrlKey: true, keyCode: 114 }).key, '\x1b[1;5R');
- assert.equal(xterm.evaluateKeyEscapeSequence({ ctrlKey: true, keyCode: 115 }).key, '\x1b[1;5S');
- assert.equal(xterm.evaluateKeyEscapeSequence({ ctrlKey: true, keyCode: 116 }).key, '\x1b[15;5~');
- assert.equal(xterm.evaluateKeyEscapeSequence({ ctrlKey: true, keyCode: 117 }).key, '\x1b[17;5~');
- assert.equal(xterm.evaluateKeyEscapeSequence({ ctrlKey: true, keyCode: 118 }).key, '\x1b[18;5~');
- assert.equal(xterm.evaluateKeyEscapeSequence({ ctrlKey: true, keyCode: 119 }).key, '\x1b[19;5~');
- assert.equal(xterm.evaluateKeyEscapeSequence({ ctrlKey: true, keyCode: 120 }).key, '\x1b[20;5~');
- assert.equal(xterm.evaluateKeyEscapeSequence({ ctrlKey: true, keyCode: 121 }).key, '\x1b[21;5~');
- assert.equal(xterm.evaluateKeyEscapeSequence({ ctrlKey: true, keyCode: 122 }).key, '\x1b[23;5~');
- assert.equal(xterm.evaluateKeyEscapeSequence({ ctrlKey: true, keyCode: 123 }).key, '\x1b[24;5~');
- });
- });
-
- describe('attachCustomEventHandler', function () {
- var evKeyDown = {
- preventDefault: function() {},
- stopPropagation: function() {},
- type: 'keydown'
- }
-
- beforeEach(function() {
- xterm.handler = function() {};
- xterm.showCursor = function() {};
- xterm.clearSelection = function() {};
- xterm.compositionHelper = {
- keydown: {
- bind: function() {
- return function () { return true; }
- }
- }
- }
- });
-
- it('should process the keydown event based on what the handler returns', function () {
- assert.equal(xterm.keyDown(Object.assign({}, evKeyDown, { keyCode: 77 })), true);
- xterm.attachCustomKeydownHandler(function (ev) {
- return ev.keyCode === 77;
- });
- assert.equal(xterm.keyDown(Object.assign({}, evKeyDown, { keyCode: 77 })), true);
- xterm.attachCustomKeydownHandler(function (ev) {
- return ev.keyCode !== 77;
- });
- assert.equal(xterm.keyDown(Object.assign({}, evKeyDown, { keyCode: 77 })), false);
- });
-
- it('should alive after reset(ESC c Full Reset (RIS))', function () {
- xterm.attachCustomKeydownHandler(function (ev) {
- return ev.keyCode !== 77;
- });
- assert.equal(xterm.keyDown(Object.assign({}, evKeyDown, { keyCode: 77 })), false);
- xterm.reset();
- assert.equal(xterm.keyDown(Object.assign({}, evKeyDown, { keyCode: 77 })), false);
- });
- });
-
- describe('Third level shift', function() {
- var evKeyDown = {
- preventDefault: function() {},
- stopPropagation: function() {},
- type: 'keydown'
- },
- evKeyPress = {
- preventDefault: function() {},
- stopPropagation: function() {},
- type: 'keypress'
- };
-
- beforeEach(function() {
- xterm.handler = function() {};
- xterm.showCursor = function() {};
- xterm.clearSelection = function() {};
- xterm.compositionHelper = {
- isComposing: false,
- keydown: {
- bind: function() {
- return function() { return true; };
- }
- }
- };
- });
-
- describe('On Mac OS', function() {
- beforeEach(function() {
- xterm.isMac = true;
- });
-
- it('should not interfere with the alt key on keyDown', function() {
- assert.equal(
- xterm.keyDown(Object.assign({}, evKeyDown, { altKey: true, keyCode: 81 })),
- true
- );
- assert.equal(
- xterm.keyDown(Object.assign({}, evKeyDown, { altKey: true, keyCode: 192 })),
- true
- );
- });
-
- it('should interefere with the alt + arrow keys', function() {
- assert.equal(
- xterm.keyDown(Object.assign({}, evKeyDown, { altKey: true, keyCode: 37 })),
- false
- );
- assert.equal(
- xterm.keyDown(Object.assign({}, evKeyDown, { altKey: true, keyCode: 39 })),
- false
- );
- });
-
- it('should emit key with alt + key on keyPress', function(done) {
- var keys = ['@', '@', '\\', '\\', '|', '|'];
-
- xterm.on('keypress', function(key) {
- if (key) {
- var index = keys.indexOf(key);
- assert(index !== -1, "Emitted wrong key: " + key);
- keys.splice(index, 1);
- }
- if (keys.length === 0) done();
- });
-
- xterm.keyPress(Object.assign({}, evKeyPress, { altKey: true, keyCode: 64 })); // @
- // Firefox
- xterm.keyPress(Object.assign({}, evKeyPress, { altKey: true, charCode: 64, keyCode: 0 }));
- xterm.keyPress(Object.assign({}, evKeyPress, { altKey: true, keyCode: 92 })); // \
- xterm.keyPress(Object.assign({}, evKeyPress, { altKey: true, charCode: 92, keyCode: 0 }));
- xterm.keyPress(Object.assign({}, evKeyPress, { altKey: true, keyCode: 124 })); // |
- xterm.keyPress(Object.assign({}, evKeyPress, { altKey: true, charCode: 124, keyCode: 0 }));
- });
- });
-
- describe('On MS Windows', function() {
- beforeEach(function() {
- xterm.isMSWindows = true;
- });
-
- it('should not interfere with the alt + ctrl key on keyDown', function() {
- assert.equal(
- xterm.keyDown(Object.assign({}, evKeyDown, { altKey: true, ctrlKey: true, keyCode: 81 })),
- true
- );
- assert.equal(
- xterm.keyDown(Object.assign({}, evKeyDown, { altKey: true, ctrlKey: true, keyCode: 192 })),
- true
- );
- });
-
- it('should interefere with the alt + ctrl + arrow keys', function() {
- assert.equal(
- xterm.keyDown(Object.assign({}, evKeyDown, { altKey: true, ctrlKey: true, keyCode: 37 })),
- false
- );
- assert.equal(
- xterm.keyDown(Object.assign({}, evKeyDown, { altKey: true, ctrlKey: true, keyCode: 39 })),
- false
- );
- });
-
- it('should emit key with alt + ctrl + key on keyPress', function(done) {
- var keys = ['@', '@', '\\', '\\', '|', '|'];
-
- xterm.on('keypress', function(key) {
- if (key) {
- var index = keys.indexOf(key);
- assert(index !== -1, "Emitted wrong key: " + key);
- keys.splice(index, 1);
- }
- if (keys.length === 0) done();
- });
-
- xterm.keyPress(
- Object.assign({}, evKeyPress, { altKey: true, ctrlKey: true, keyCode: 64 })
- ); // @
- xterm.keyPress(
- Object.assign({}, evKeyPress, { altKey: true, ctrlKey: true, charCode: 64, keyCode: 0 })
- );
- xterm.keyPress(
- Object.assign({}, evKeyPress, { altKey: true, ctrlKey: true, keyCode: 92 })
- ); // \
- xterm.keyPress(
- Object.assign({}, evKeyPress, { altKey: true, ctrlKey: true, charCode: 92, keyCode: 0 })
- );
- xterm.keyPress(
- Object.assign({}, evKeyPress, { altKey: true, ctrlKey: true, keyCode: 124 })
- ); // |
- xterm.keyPress(
- Object.assign({}, evKeyPress, { altKey: true, ctrlKey: true, charCode: 124, keyCode: 0 })
- );
- });
- });
- });
-
- describe('unicode - surrogates', function() {
- it('2 characters per cell', function () {
- var high = String.fromCharCode(0xD800);
- for (var i=0xDC00; i<=0xDCFF; ++i) {
- xterm.write(high + String.fromCharCode(i));
- var tchar = xterm.lines[0][0];
- expect(tchar[1]).eql(high + String.fromCharCode(i));
- expect(tchar[1].length).eql(2);
- expect(tchar[2]).eql(1);
- expect(xterm.lines[0][1][1]).eql(' ');
- xterm.reset();
- }
- });
- it('2 characters at last cell', function() {
- var high = String.fromCharCode(0xD800);
- for (var i=0xDC00; i<=0xDCFF; ++i) {
- xterm.x = xterm.cols - 1;
- xterm.write(high + String.fromCharCode(i));
- expect(xterm.lines[0][xterm.x-1][1]).eql(high + String.fromCharCode(i));
- expect(xterm.lines[0][xterm.x-1][1].length).eql(2);
- expect(xterm.lines[1][0][1]).eql(' ');
- xterm.reset();
- }
- });
- it('2 characters per cell over line end with autowrap', function() {
- var high = String.fromCharCode(0xD800);
- for (var i=0xDC00; i<=0xDCFF; ++i) {
- xterm.x = xterm.cols - 1;
- xterm.wraparoundMode = true;
- xterm.write('a' + high + String.fromCharCode(i));
- expect(xterm.lines[0][xterm.cols-1][1]).eql('a');
- expect(xterm.lines[1][0][1]).eql(high + String.fromCharCode(i));
- expect(xterm.lines[1][0][1].length).eql(2);
- expect(xterm.lines[1][1][1]).eql(' ');
- xterm.reset();
- }
- });
- it('2 characters per cell over line end without autowrap', function() {
- var high = String.fromCharCode(0xD800);
- for (var i=0xDC00; i<=0xDCFF; ++i) {
- xterm.x = xterm.cols - 1;
- xterm.wraparoundMode = false;
- xterm.write('a' + high + String.fromCharCode(i));
- expect(xterm.lines[0][xterm.cols-1][1]).eql(high + String.fromCharCode(i));
- expect(xterm.lines[0][xterm.cols-1][1].length).eql(2);
- expect(xterm.lines[1][1][1]).eql(' ');
- xterm.reset();
- }
- });
- it('splitted surrogates', function() {
- var high = String.fromCharCode(0xD800);
- for (var i=0xDC00; i<=0xDCFF; ++i) {
- xterm.write(high);
- xterm.write(String.fromCharCode(i));
- var tchar = xterm.lines[0][0];
- expect(tchar[1]).eql(high + String.fromCharCode(i));
- expect(tchar[1].length).eql(2);
- expect(tchar[2]).eql(1);
- expect(xterm.lines[0][1][1]).eql(' ');
- xterm.reset();
- }
- });
- });
-
- describe('unicode - combining characters', function() {
- it('café', function () {
- xterm.write('cafe\u0301');
- expect(xterm.lines[0][3][1]).eql('e\u0301');
- expect(xterm.lines[0][3][1].length).eql(2);
- expect(xterm.lines[0][3][2]).eql(1);
- });
- it('café - end of line', function() {
- xterm.x = xterm.cols - 1 - 3;
- xterm.write('cafe\u0301');
- expect(xterm.lines[0][xterm.cols-1][1]).eql('e\u0301');
- expect(xterm.lines[0][xterm.cols-1][1].length).eql(2);
- expect(xterm.lines[0][xterm.cols-1][2]).eql(1);
- expect(xterm.lines[0][1][1]).eql(' ');
- expect(xterm.lines[0][1][1].length).eql(1);
- expect(xterm.lines[0][1][2]).eql(1);
- });
- it('multiple combined é', function() {
- xterm.wraparoundMode = true;
- xterm.write(Array(100).join('e\u0301'));
- for (var i=0; i<xterm.cols; ++i) {
- var tchar = xterm.lines[0][i];
- expect(tchar[1]).eql('e\u0301');
- expect(tchar[1].length).eql(2);
- expect(tchar[2]).eql(1);
- }
- tchar = xterm.lines[1][0];
- expect(tchar[1]).eql('e\u0301');
- expect(tchar[1].length).eql(2);
- expect(tchar[2]).eql(1);
- });
- it('multiple surrogate with combined', function() {
- xterm.wraparoundMode = true;
- xterm.write(Array(100).join('\uD800\uDC00\u0301'));
- for (var i=0; i<xterm.cols; ++i) {
- var tchar = xterm.lines[0][i];
- expect(tchar[1]).eql('\uD800\uDC00\u0301');
- expect(tchar[1].length).eql(3);
- expect(tchar[2]).eql(1);
- }
- tchar = xterm.lines[1][0];
- expect(tchar[1]).eql('\uD800\uDC00\u0301');
- expect(tchar[1].length).eql(3);
- expect(tchar[2]).eql(1);
- });
- });
-
- describe('unicode - fullwidth characters', function() {
- it('cursor movement even', function() {
- expect(xterm.x).eql(0);
- xterm.write('¥');
- expect(xterm.x).eql(2);
- });
- it('cursor movement odd', function() {
- xterm.x = 1;
- expect(xterm.x).eql(1);
- xterm.write('¥');
- expect(xterm.x).eql(3);
- });
- it('line of ¥ even', function() {
- xterm.wraparoundMode = true;
- xterm.write(Array(50).join('¥'));
- for (var i=0; i<xterm.cols; ++i) {
- var tchar = xterm.lines[0][i];
- if (i % 2) {
- expect(tchar[1]).eql('');
- expect(tchar[1].length).eql(0);
- expect(tchar[2]).eql(0);
- } else {
- expect(tchar[1]).eql('¥');
- expect(tchar[1].length).eql(1);
- expect(tchar[2]).eql(2);
- }
- }
- tchar = xterm.lines[1][0];
- expect(tchar[1]).eql('¥');
- expect(tchar[1].length).eql(1);
- expect(tchar[2]).eql(2);
- });
- it('line of ¥ odd', function() {
- xterm.wraparoundMode = true;
- xterm.x = 1;
- xterm.write(Array(50).join('¥'));
- for (var i=1; i<xterm.cols-1; ++i) {
- var tchar = xterm.lines[0][i];
- if (!(i % 2)) {
- expect(tchar[1]).eql('');
- expect(tchar[1].length).eql(0);
- expect(tchar[2]).eql(0);
- } else {
- expect(tchar[1]).eql('¥');
- expect(tchar[1].length).eql(1);
- expect(tchar[2]).eql(2);
- }
- }
- tchar = xterm.lines[0][xterm.cols-1];
- expect(tchar[1]).eql(' ');
- expect(tchar[1].length).eql(1);
- expect(tchar[2]).eql(1);
- tchar = xterm.lines[1][0];
- expect(tchar[1]).eql('¥');
- expect(tchar[1].length).eql(1);
- expect(tchar[2]).eql(2);
- });
- it('line of ¥ with combining odd', function() {
- xterm.wraparoundMode = true;
- xterm.x = 1;
- xterm.write(Array(50).join('¥\u0301'));
- for (var i=1; i<xterm.cols-1; ++i) {
- var tchar = xterm.lines[0][i];
- if (!(i % 2)) {
- expect(tchar[1]).eql('');
- expect(tchar[1].length).eql(0);
- expect(tchar[2]).eql(0);
- } else {
- expect(tchar[1]).eql('¥\u0301');
- expect(tchar[1].length).eql(2);
- expect(tchar[2]).eql(2);
- }
- }
- tchar = xterm.lines[0][xterm.cols-1];
- expect(tchar[1]).eql(' ');
- expect(tchar[1].length).eql(1);
- expect(tchar[2]).eql(1);
- tchar = xterm.lines[1][0];
- expect(tchar[1]).eql('¥\u0301');
- expect(tchar[1].length).eql(2);
- expect(tchar[2]).eql(2);
- });
- it('line of ¥ with combining even', function() {
- xterm.wraparoundMode = true;
- xterm.write(Array(50).join('¥\u0301'));
- for (var i=0; i<xterm.cols; ++i) {
- var tchar = xterm.lines[0][i];
- if (i % 2) {
- expect(tchar[1]).eql('');
- expect(tchar[1].length).eql(0);
- expect(tchar[2]).eql(0);
- } else {
- expect(tchar[1]).eql('¥\u0301');
- expect(tchar[1].length).eql(2);
- expect(tchar[2]).eql(2);
- }
- }
- tchar = xterm.lines[1][0];
- expect(tchar[1]).eql('¥\u0301');
- expect(tchar[1].length).eql(2);
- expect(tchar[2]).eql(2);
- });
- it('line of surrogate fullwidth with combining odd', function() {
- xterm.wraparoundMode = true;
- xterm.x = 1;
- xterm.write(Array(50).join('\ud843\ude6d\u0301'));
- for (var i=1; i<xterm.cols-1; ++i) {
- var tchar = xterm.lines[0][i];
- if (!(i % 2)) {
- expect(tchar[1]).eql('');
- expect(tchar[1].length).eql(0);
- expect(tchar[2]).eql(0);
- } else {
- expect(tchar[1]).eql('\ud843\ude6d\u0301');
- expect(tchar[1].length).eql(3);
- expect(tchar[2]).eql(2);
- }
- }
- tchar = xterm.lines[0][xterm.cols-1];
- expect(tchar[1]).eql(' ');
- expect(tchar[1].length).eql(1);
- expect(tchar[2]).eql(1);
- tchar = xterm.lines[1][0];
- expect(tchar[1]).eql('\ud843\ude6d\u0301');
- expect(tchar[1].length).eql(3);
- expect(tchar[2]).eql(2);
- });
- it('line of surrogate fullwidth with combining even', function() {
- xterm.wraparoundMode = true;
- xterm.write(Array(50).join('\ud843\ude6d\u0301'));
- for (var i=0; i<xterm.cols; ++i) {
- var tchar = xterm.lines[0][i];
- if (i % 2) {
- expect(tchar[1]).eql('');
- expect(tchar[1].length).eql(0);
- expect(tchar[2]).eql(0);
- } else {
- expect(tchar[1]).eql('\ud843\ude6d\u0301');
- expect(tchar[1].length).eql(3);
- expect(tchar[2]).eql(2);
- }
- }
- tchar = xterm.lines[1][0];
- expect(tchar[1]).eql('\ud843\ude6d\u0301');
- expect(tchar[1].length).eql(3);
- expect(tchar[2]).eql(2);
- });
- });
-
- describe('insert mode', function() {
- it('halfwidth - all', function () {
- xterm.write(Array(9).join('0123456789').slice(-80));
- xterm.x = 10;
- xterm.y = 0;
- xterm.insertMode = true;
- xterm.write('abcde');
- expect(xterm.lines[0].length).eql(xterm.cols);
- expect(xterm.lines[0][10][1]).eql('a');
- expect(xterm.lines[0][14][1]).eql('e');
- expect(xterm.lines[0][15][1]).eql('0');
- expect(xterm.lines[0][79][1]).eql('4');
- });
- it('fullwidth - insert', function() {
- xterm.write(Array(9).join('0123456789').slice(-80));
- xterm.x = 10;
- xterm.y = 0;
- xterm.insertMode = true;
- xterm.write('¥¥¥');
- expect(xterm.lines[0].length).eql(xterm.cols);
- expect(xterm.lines[0][10][1]).eql('¥');
- expect(xterm.lines[0][11][1]).eql('');
- expect(xterm.lines[0][14][1]).eql('¥');
- expect(xterm.lines[0][15][1]).eql('');
- expect(xterm.lines[0][79][1]).eql('3');
- });
- it('fullwidth - right border', function() {
- xterm.write(Array(41).join('¥'));
- xterm.x = 10;
- xterm.y = 0;
- xterm.insertMode = true;
- xterm.write('a');
- expect(xterm.lines[0].length).eql(xterm.cols);
- expect(xterm.lines[0][10][1]).eql('a');
- expect(xterm.lines[0][11][1]).eql('¥');
- expect(xterm.lines[0][79][1]).eql(' '); // fullwidth char got replaced
- xterm.write('b');
- expect(xterm.lines[0].length).eql(xterm.cols);
- expect(xterm.lines[0][11][1]).eql('b');
- expect(xterm.lines[0][12][1]).eql('¥');
- expect(xterm.lines[0][79][1]).eql(''); // empty cell after fullwidth
- });
- });
-});