eiac/xterm.js
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Use a const for all refs to data char and width

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Part of #791
This commit is contained in:
Daniel Imms
2017-08-07 15:40:48 -07:00
parent c2bb507fe4
commit fd61c8e874
6 changed files with 140 additions and 139 deletions
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src/test/escape-sequences-test.js
+2 -1
View File
@@ -3,6 +3,7 @@ var fs = require('fs');
var os = require('os');
var pty = require('node-pty');
var Terminal = require('../xterm');
var CHAR_DATA_CHAR_INDEX = require('../Buffer').CHAR_DATA_CHAR_INDEX;
if (os.platform() === 'win32') {
// Skip tests on Windows since pty.open isn't supported
@@ -65,7 +66,7 @@ function terminalToString(term) {
for (var line = term.buffer.ybase; line < term.buffer.ybase + term.rows; line++) {
line_s = '';
for (var cell=0; cell<term.cols; ++cell) {
line_s += term.buffer.lines.get(line)[cell][1];
line_s += term.buffer.lines.get(line)[cell][CHAR_DATA_CHAR_INDEX];
}
// rtrim empty cells as xterm does
line_s = line_s.replace(/\s+$/, '');
src/test/test.js
+119 -117
View File
@@ -1,6 +1,8 @@
var assert = require('chai').assert;
var expect = require('chai').expect;
var Terminal = require('../xterm');
var CHAR_DATA_CHAR_INDEX = require('../Buffer').CHAR_DATA_CHAR_INDEX;
var CHAR_DATA_WIDTH_INDEX = require('../Buffer').CHAR_DATA_WIDTH_INDEX;
describe('xterm.js', function() {
var xterm;
@@ -586,10 +588,10 @@ describe('xterm.js', function() {
for (var i=0xDC00; i<=0xDCFF; ++i) {
xterm.write(high + String.fromCharCode(i));
var tchar = xterm.buffer.lines.get(0)[0];
expect(tchar[1]).eql(high + String.fromCharCode(i));
expect(tchar[1].length).eql(2);
expect(tchar[2]).eql(1);
expect(xterm.buffer.lines.get(0)[1][1]).eql(' ');
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql(high + String.fromCharCode(i));
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(2);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(1);
expect(xterm.buffer.lines.get(0)[1][CHAR_DATA_CHAR_INDEX]).eql(' ');
xterm.reset();
}
});
@@ -598,9 +600,9 @@ describe('xterm.js', function() {
for (var i=0xDC00; i<=0xDCFF; ++i) {
xterm.buffer.x = xterm.cols - 1;
xterm.write(high + String.fromCharCode(i));
expect(xterm.buffer.lines.get(0)[xterm.buffer.x-1][1]).eql(high + String.fromCharCode(i));
expect(xterm.buffer.lines.get(0)[xterm.buffer.x-1][1].length).eql(2);
expect(xterm.buffer.lines.get(1)[0][1]).eql(' ');
expect(xterm.buffer.lines.get(0)[xterm.buffer.x-1][CHAR_DATA_CHAR_INDEX]).eql(high + String.fromCharCode(i));
expect(xterm.buffer.lines.get(0)[xterm.buffer.x-1][CHAR_DATA_CHAR_INDEX].length).eql(2);
expect(xterm.buffer.lines.get(1)[0][CHAR_DATA_CHAR_INDEX]).eql(' ');
xterm.reset();
}
});
@@ -610,10 +612,10 @@ describe('xterm.js', function() {
xterm.buffer.x = xterm.cols - 1;
xterm.wraparoundMode = true;
xterm.write('a' + high + String.fromCharCode(i));
expect(xterm.buffer.lines.get(0)[xterm.cols-1][1]).eql('a');
expect(xterm.buffer.lines.get(1)[0][1]).eql(high + String.fromCharCode(i));
expect(xterm.buffer.lines.get(1)[0][1].length).eql(2);
expect(xterm.buffer.lines.get(1)[1][1]).eql(' ');
expect(xterm.buffer.lines.get(0)[xterm.cols-1][CHAR_DATA_CHAR_INDEX]).eql('a');
expect(xterm.buffer.lines.get(1)[0][CHAR_DATA_CHAR_INDEX]).eql(high + String.fromCharCode(i));
expect(xterm.buffer.lines.get(1)[0][CHAR_DATA_CHAR_INDEX].length).eql(2);
expect(xterm.buffer.lines.get(1)[1][CHAR_DATA_CHAR_INDEX]).eql(' ');
xterm.reset();
}
});
@@ -624,9 +626,9 @@ describe('xterm.js', function() {
xterm.wraparoundMode = false;
xterm.write('a' + high + String.fromCharCode(i));
// auto wraparound mode should cut off the rest of the line
expect(xterm.buffer.lines.get(0)[xterm.cols-1][1]).eql('a');
expect(xterm.buffer.lines.get(0)[xterm.cols-1][1].length).eql(1);
expect(xterm.buffer.lines.get(1)[1][1]).eql(' ');
expect(xterm.buffer.lines.get(0)[xterm.cols-1][CHAR_DATA_CHAR_INDEX]).eql('a');
expect(xterm.buffer.lines.get(0)[xterm.cols-1][CHAR_DATA_CHAR_INDEX].length).eql(1);
expect(xterm.buffer.lines.get(1)[1][CHAR_DATA_CHAR_INDEX]).eql(' ');
xterm.reset();
}
});
@@ -636,10 +638,10 @@ describe('xterm.js', function() {
xterm.write(high);
xterm.write(String.fromCharCode(i));
var tchar = xterm.buffer.lines.get(0)[0];
expect(tchar[1]).eql(high + String.fromCharCode(i));
expect(tchar[1].length).eql(2);
expect(tchar[2]).eql(1);
expect(xterm.buffer.lines.get(0)[1][1]).eql(' ');
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql(high + String.fromCharCode(i));
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(2);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(1);
expect(xterm.buffer.lines.get(0)[1][CHAR_DATA_CHAR_INDEX]).eql(' ');
xterm.reset();
}
});
@@ -648,47 +650,47 @@ describe('xterm.js', function() {
describe('unicode - combining characters', function() {
it('café', function () {
xterm.write('cafe\u0301');
expect(xterm.buffer.lines.get(0)[3][1]).eql('e\u0301');
expect(xterm.buffer.lines.get(0)[3][1].length).eql(2);
expect(xterm.buffer.lines.get(0)[3][2]).eql(1);
expect(xterm.buffer.lines.get(0)[3][CHAR_DATA_CHAR_INDEX]).eql('e\u0301');
expect(xterm.buffer.lines.get(0)[3][CHAR_DATA_CHAR_INDEX].length).eql(2);
expect(xterm.buffer.lines.get(0)[3][CHAR_DATA_WIDTH_INDEX]).eql(1);
});
it('café - end of line', function() {
xterm.buffer.x = xterm.cols - 1 - 3;
xterm.write('cafe\u0301');
expect(xterm.buffer.lines.get(0)[xterm.cols-1][1]).eql('e\u0301');
expect(xterm.buffer.lines.get(0)[xterm.cols-1][1].length).eql(2);
expect(xterm.buffer.lines.get(0)[xterm.cols-1][2]).eql(1);
expect(xterm.buffer.lines.get(0)[1][1]).eql(' ');
expect(xterm.buffer.lines.get(0)[1][1].length).eql(1);
expect(xterm.buffer.lines.get(0)[1][2]).eql(1);
expect(xterm.buffer.lines.get(0)[xterm.cols-1][CHAR_DATA_CHAR_INDEX]).eql('e\u0301');
expect(xterm.buffer.lines.get(0)[xterm.cols-1][CHAR_DATA_CHAR_INDEX].length).eql(2);
expect(xterm.buffer.lines.get(0)[xterm.cols-1][CHAR_DATA_WIDTH_INDEX]).eql(1);
expect(xterm.buffer.lines.get(0)[1][CHAR_DATA_CHAR_INDEX]).eql(' ');
expect(xterm.buffer.lines.get(0)[1][CHAR_DATA_CHAR_INDEX].length).eql(1);
expect(xterm.buffer.lines.get(0)[1][CHAR_DATA_WIDTH_INDEX]).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.buffer.lines.get(0)[i];
expect(tchar[1]).eql('e\u0301');
expect(tchar[1].length).eql(2);
expect(tchar[2]).eql(1);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql('e\u0301');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(2);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(1);
}
tchar = xterm.buffer.lines.get(1)[0];
expect(tchar[1]).eql('e\u0301');
expect(tchar[1].length).eql(2);
expect(tchar[2]).eql(1);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql('e\u0301');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(2);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).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.buffer.lines.get(0)[i];
expect(tchar[1]).eql('\uD800\uDC00\u0301');
expect(tchar[1].length).eql(3);
expect(tchar[2]).eql(1);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql('\uD800\uDC00\u0301');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(3);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(1);
}
tchar = xterm.buffer.lines.get(1)[0];
expect(tchar[1]).eql('\uD800\uDC00\u0301');
expect(tchar[1].length).eql(3);
expect(tchar[2]).eql(1);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql('\uD800\uDC00\u0301');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(3);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(1);
});
});
@@ -710,19 +712,19 @@ describe('xterm.js', function() {
for (var i=0; i<xterm.cols; ++i) {
var tchar = xterm.buffer.lines.get(0)[i];
if (i % 2) {
expect(tchar[1]).eql('');
expect(tchar[1].length).eql(0);
expect(tchar[2]).eql(0);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql('');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(0);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(0);
} else {
expect(tchar[1]).eql('￥');
expect(tchar[1].length).eql(1);
expect(tchar[2]).eql(2);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql('￥');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(1);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(2);
}
}
tchar = xterm.buffer.lines.get(1)[0];
expect(tchar[1]).eql('￥');
expect(tchar[1].length).eql(1);
expect(tchar[2]).eql(2);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql('￥');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(1);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(2);
});
it('line of ￥ odd', function() {
xterm.wraparoundMode = true;
@@ -731,23 +733,23 @@ describe('xterm.js', function() {
for (var i=1; i<xterm.cols-1; ++i) {
var tchar = xterm.buffer.lines.get(0)[i];
if (!(i % 2)) {
expect(tchar[1]).eql('');
expect(tchar[1].length).eql(0);
expect(tchar[2]).eql(0);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql('');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(0);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(0);
} else {
expect(tchar[1]).eql('￥');
expect(tchar[1].length).eql(1);
expect(tchar[2]).eql(2);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql('￥');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(1);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(2);
}
}
tchar = xterm.buffer.lines.get(0)[xterm.cols-1];
expect(tchar[1]).eql(' ');
expect(tchar[1].length).eql(1);
expect(tchar[2]).eql(1);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql(' ');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(1);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(1);
tchar = xterm.buffer.lines.get(1)[0];
expect(tchar[1]).eql('￥');
expect(tchar[1].length).eql(1);
expect(tchar[2]).eql(2);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql('￥');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(1);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(2);
});
it('line of ￥ with combining odd', function() {
xterm.wraparoundMode = true;
@@ -756,23 +758,23 @@ describe('xterm.js', function() {
for (var i=1; i<xterm.cols-1; ++i) {
var tchar = xterm.buffer.lines.get(0)[i];
if (!(i % 2)) {
expect(tchar[1]).eql('');
expect(tchar[1].length).eql(0);
expect(tchar[2]).eql(0);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql('');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(0);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(0);
} else {
expect(tchar[1]).eql('￥\u0301');
expect(tchar[1].length).eql(2);
expect(tchar[2]).eql(2);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql('￥\u0301');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(2);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(2);
}
}
tchar = xterm.buffer.lines.get(0)[xterm.cols-1];
expect(tchar[1]).eql(' ');
expect(tchar[1].length).eql(1);
expect(tchar[2]).eql(1);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql(' ');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(1);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(1);
tchar = xterm.buffer.lines.get(1)[0];
expect(tchar[1]).eql('￥\u0301');
expect(tchar[1].length).eql(2);
expect(tchar[2]).eql(2);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql('￥\u0301');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(2);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(2);
});
it('line of ￥ with combining even', function() {
xterm.wraparoundMode = true;
@@ -780,19 +782,19 @@ describe('xterm.js', function() {
for (var i=0; i<xterm.cols; ++i) {
var tchar = xterm.buffer.lines.get(0)[i];
if (i % 2) {
expect(tchar[1]).eql('');
expect(tchar[1].length).eql(0);
expect(tchar[2]).eql(0);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql('');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(0);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(0);
} else {
expect(tchar[1]).eql('￥\u0301');
expect(tchar[1].length).eql(2);
expect(tchar[2]).eql(2);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql('￥\u0301');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(2);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(2);
}
}
tchar = xterm.buffer.lines.get(1)[0];
expect(tchar[1]).eql('￥\u0301');
expect(tchar[1].length).eql(2);
expect(tchar[2]).eql(2);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql('￥\u0301');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(2);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(2);
});
it('line of surrogate fullwidth with combining odd', function() {
xterm.wraparoundMode = true;
@@ -801,23 +803,23 @@ describe('xterm.js', function() {
for (var i=1; i<xterm.cols-1; ++i) {
var tchar = xterm.buffer.lines.get(0)[i];
if (!(i % 2)) {
expect(tchar[1]).eql('');
expect(tchar[1].length).eql(0);
expect(tchar[2]).eql(0);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql('');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(0);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(0);
} else {
expect(tchar[1]).eql('\ud843\ude6d\u0301');
expect(tchar[1].length).eql(3);
expect(tchar[2]).eql(2);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql('\ud843\ude6d\u0301');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(3);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(2);
}
}
tchar = xterm.buffer.lines.get(0)[xterm.cols-1];
expect(tchar[1]).eql(' ');
expect(tchar[1].length).eql(1);
expect(tchar[2]).eql(1);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql(' ');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(1);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(1);
tchar = xterm.buffer.lines.get(1)[0];
expect(tchar[1]).eql('\ud843\ude6d\u0301');
expect(tchar[1].length).eql(3);
expect(tchar[2]).eql(2);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql('\ud843\ude6d\u0301');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(3);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(2);
});
it('line of surrogate fullwidth with combining even', function() {
xterm.wraparoundMode = true;
@@ -825,19 +827,19 @@ describe('xterm.js', function() {
for (var i=0; i<xterm.cols; ++i) {
var tchar = xterm.buffer.lines.get(0)[i];
if (i % 2) {
expect(tchar[1]).eql('');
expect(tchar[1].length).eql(0);
expect(tchar[2]).eql(0);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql('');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(0);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(0);
} else {
expect(tchar[1]).eql('\ud843\ude6d\u0301');
expect(tchar[1].length).eql(3);
expect(tchar[2]).eql(2);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql('\ud843\ude6d\u0301');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(3);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(2);
}
}
tchar = xterm.buffer.lines.get(1)[0];
expect(tchar[1]).eql('\ud843\ude6d\u0301');
expect(tchar[1].length).eql(3);
expect(tchar[2]).eql(2);
expect(tchar[CHAR_DATA_CHAR_INDEX]).eql('\ud843\ude6d\u0301');
expect(tchar[CHAR_DATA_CHAR_INDEX].length).eql(3);
expect(tchar[CHAR_DATA_WIDTH_INDEX]).eql(2);
});
});
@@ -849,10 +851,10 @@ describe('xterm.js', function() {
xterm.insertMode = true;
xterm.write('abcde');
expect(xterm.buffer.lines.get(0).length).eql(xterm.cols);
expect(xterm.buffer.lines.get(0)[10][1]).eql('a');
expect(xterm.buffer.lines.get(0)[14][1]).eql('e');
expect(xterm.buffer.lines.get(0)[15][1]).eql('0');
expect(xterm.buffer.lines.get(0)[79][1]).eql('4');
expect(xterm.buffer.lines.get(0)[10][CHAR_DATA_CHAR_INDEX]).eql('a');
expect(xterm.buffer.lines.get(0)[14][CHAR_DATA_CHAR_INDEX]).eql('e');
expect(xterm.buffer.lines.get(0)[15][CHAR_DATA_CHAR_INDEX]).eql('0');
expect(xterm.buffer.lines.get(0)[79][CHAR_DATA_CHAR_INDEX]).eql('4');
});
it('fullwidth - insert', function() {
xterm.write(Array(9).join('0123456789').slice(-80));
@@ -861,11 +863,11 @@ describe('xterm.js', function() {
xterm.insertMode = true;
xterm.write('￥￥￥');
expect(xterm.buffer.lines.get(0).length).eql(xterm.cols);
expect(xterm.buffer.lines.get(0)[10][1]).eql('￥');
expect(xterm.buffer.lines.get(0)[11][1]).eql('');
expect(xterm.buffer.lines.get(0)[14][1]).eql('￥');
expect(xterm.buffer.lines.get(0)[15][1]).eql('');
expect(xterm.buffer.lines.get(0)[79][1]).eql('3');
expect(xterm.buffer.lines.get(0)[10][CHAR_DATA_CHAR_INDEX]).eql('￥');
expect(xterm.buffer.lines.get(0)[11][CHAR_DATA_CHAR_INDEX]).eql('');
expect(xterm.buffer.lines.get(0)[14][CHAR_DATA_CHAR_INDEX]).eql('￥');
expect(xterm.buffer.lines.get(0)[15][CHAR_DATA_CHAR_INDEX]).eql('');
expect(xterm.buffer.lines.get(0)[79][CHAR_DATA_CHAR_INDEX]).eql('3');
});
it('fullwidth - right border', function() {
xterm.write(Array(41).join('￥'));
@@ -874,14 +876,14 @@ describe('xterm.js', function() {
xterm.insertMode = true;
xterm.write('a');
expect(xterm.buffer.lines.get(0).length).eql(xterm.cols);
expect(xterm.buffer.lines.get(0)[10][1]).eql('a');
expect(xterm.buffer.lines.get(0)[11][1]).eql('￥');
expect(xterm.buffer.lines.get(0)[79][1]).eql(' '); // fullwidth char got replaced
expect(xterm.buffer.lines.get(0)[10][CHAR_DATA_CHAR_INDEX]).eql('a');
expect(xterm.buffer.lines.get(0)[11][CHAR_DATA_CHAR_INDEX]).eql('￥');
expect(xterm.buffer.lines.get(0)[79][CHAR_DATA_CHAR_INDEX]).eql(' '); // fullwidth char got replaced
xterm.write('b');
expect(xterm.buffer.lines.get(0).length).eql(xterm.cols);
expect(xterm.buffer.lines.get(0)[11][1]).eql('b');
expect(xterm.buffer.lines.get(0)[12][1]).eql('￥');
expect(xterm.buffer.lines.get(0)[79][1]).eql(''); // empty cell after fullwidth
expect(xterm.buffer.lines.get(0)[11][CHAR_DATA_CHAR_INDEX]).eql('b');
expect(xterm.buffer.lines.get(0)[12][CHAR_DATA_CHAR_INDEX]).eql('￥');
expect(xterm.buffer.lines.get(0)[79][CHAR_DATA_CHAR_INDEX]).eql(''); // empty cell after fullwidth
});
});
});