HTML')[0]);
- assert.equal(mq.revert().html(), 'some HTML');
- });
-
- test('select, clearSelection', function() {
- mq.latex('n+\\frac{n}{2}');
- assert.ok(!mq.__controller.cursor.selection);
- mq.select();
- assert.equal(mq.__controller.cursor.selection.join('latex'), 'n+\\frac{n}{2}');
- mq.clearSelection();
- assert.ok(!mq.__controller.cursor.selection);
- });
-
- test('latex while there\'s a selection', function() {
- mq.latex('a');
- assert.equal(mq.latex(), 'a');
- mq.select();
- assert.equal(mq.__controller.cursor.selection.join('latex'), 'a');
- mq.latex('b');
- assert.equal(mq.latex(), 'b');
- mq.typedText('c');
- assert.equal(mq.latex(), 'bc');
- });
-
- test('.html() trivial case', function() {
- mq.latex('x+y');
- assert.equal(mq.html(), 'x+y');
- });
-
- test('.text() with incomplete commands', function() {
- assert.equal(mq.text(), '');
- mq.typedText('\\');
- assert.equal(mq.text(), '\\');
- mq.typedText('s');
- assert.equal(mq.text(), '\\s');
- mq.typedText('qrt');
- assert.equal(mq.text(), '\\sqrt');
- });
-
- test('.text() with complete commands', function() {
- mq.latex('\\sqrt{}');
- assert.equal(mq.text(), 'sqrt()');
- mq.latex('\\nthroot[]{}');
- assert.equal(mq.text(), 'sqrt[]()');
- mq.latex('\\frac{}{}');
- assert.equal(mq.text(), '()/()');
- mq.latex('\\frac{3}{5}');
- assert.equal(mq.text(), '(3)/(5)');
- mq.latex('\\frac{3+2}{5-1}');
- assert.equal(mq.text(), '(3+2)/(5-1)');
- mq.latex('\\div');
- assert.equal(mq.text(), '[/]');
- mq.latex('^{}');
- assert.equal(mq.text(), '^');
- mq.latex('3^{4}');
- assert.equal(mq.text(), '3^4');
- mq.latex('3x+\\ 4');
- assert.equal(mq.text(), '3*x+ 4');
- mq.latex('x^2');
- assert.equal(mq.text(), 'x^2');
-
- mq.latex('');
- mq.typedText('*2*3***4');
- assert.equal(mq.text(), '*2*3***4');
- });
-
- test('.moveToDirEnd(dir)', function() {
- mq.latex('a x^2 + b x + c = 0');
- assert.equal(mq.__controller.cursor[L].ctrlSeq, '0');
- assert.equal(mq.__controller.cursor[R], 0);
- mq.moveToLeftEnd();
- assert.equal(mq.__controller.cursor[L], 0);
- assert.equal(mq.__controller.cursor[R].ctrlSeq, 'a');
- mq.moveToRightEnd();
- assert.equal(mq.__controller.cursor[L].ctrlSeq, '0');
- assert.equal(mq.__controller.cursor[R], 0);
- });
- });
-
- test('edit handler interface versioning', function() {
- var count = 0;
-
- // interface version 2 (latest)
- var mq2 = MQ.MathField($('').appendTo('#mock')[0], {
- handlers: {
- edit: function(_mq) {
- assert.equal(mq2.id, _mq.id);
- count += 1;
- }
- }
- });
- assert.equal(count, 0);
- mq2.latex('x^2');
- assert.equal(count, 2); // sigh, once for postOrder and once for bubble
-
- count = 0;
- // interface version 1
- var MQ1 = MathQuill.getInterface(1);
- var mq1 = MQ1.MathField($('').appendTo('#mock')[0], {
- handlers: {
- edit: function(_mq) {
- if (count <= 2) assert.equal(mq1, undefined);
- else assert.equal(mq1.id, _mq.id);
- count += 1;
- }
- }
- });
- assert.equal(count, 2);
- });
-
- suite('*OutOf handlers', function() {
- testHandlers('MQ.MathField() constructor', function(options) {
- return MQ.MathField($('').appendTo('#mock')[0], options);
- });
- testHandlers('MQ.MathField::config()', function(options) {
- return MQ.MathField($('').appendTo('#mock')[0]).config(options);
- });
- testHandlers('.config() on \\MathQuillMathField{} in a MQ.StaticMath', function(options) {
- return MQ.MathField($('').appendTo('#mock')[0]).config(options);
- });
- suite('global MQ.config()', function() {
- testHandlers('a MQ.MathField', function(options) {
- MQ.config(options);
- return MQ.MathField($('').appendTo('#mock')[0]);
- });
- testHandlers('\\MathQuillMathField{} in a MQ.StaticMath', function(options) {
- MQ.config(options);
- return MQ.StaticMath($('\\MathQuillMathField{}').appendTo('#mock')[0]).innerFields[0];
- });
- teardown(function() {
- MQ.config({ handlers: undefined });
- });
- });
- function testHandlers(title, mathFieldMaker) {
- test(title, function() {
- var enterCounter = 0, upCounter = 0, moveCounter = 0, deleteCounter = 0,
- dir = null;
-
- var mq = mathFieldMaker({
- handlers: {
- enter: function(_mq) {
- assert.equal(arguments.length, 1);
- assert.equal(_mq.id, mq.id);
- enterCounter += 1;
- },
- upOutOf: function(_mq) {
- assert.equal(arguments.length, 1);
- assert.equal(_mq.id, mq.id);
- upCounter += 1;
- },
- moveOutOf: function(_dir, _mq) {
- assert.equal(arguments.length, 2);
- assert.equal(_mq.id, mq.id);
- dir = _dir;
- moveCounter += 1;
- },
- deleteOutOf: function(_dir, _mq) {
- assert.equal(arguments.length, 2);
- assert.equal(_mq.id, mq.id);
- dir = _dir;
- deleteCounter += 1;
- }
- }
- });
-
- mq.latex('n+\\frac{n}{2}'); // starts at right edge
- assert.equal(moveCounter, 0);
-
- mq.typedText('\n'); // nothing happens
- assert.equal(enterCounter, 1);
-
- mq.keystroke('Right'); // stay at right edge
- assert.equal(moveCounter, 1);
- assert.equal(dir, R);
-
- mq.keystroke('Right'); // stay at right edge
- assert.equal(moveCounter, 2);
- assert.equal(dir, R);
-
- mq.keystroke('Left'); // right edge of denominator
- assert.equal(moveCounter, 2);
- assert.equal(upCounter, 0);
-
- mq.keystroke('Up'); // right edge of numerator
- assert.equal(moveCounter, 2);
- assert.equal(upCounter, 0);
-
- mq.keystroke('Up'); // stays at right edge of numerator
- assert.equal(upCounter, 1);
-
- mq.keystroke('Up'); // stays at right edge of numerator
- assert.equal(upCounter, 2);
-
- // go to left edge
- mq.keystroke('Left').keystroke('Left').keystroke('Left').keystroke('Left');
- assert.equal(moveCounter, 2);
-
- mq.keystroke('Left'); // stays at left edge
- assert.equal(moveCounter, 3);
- assert.equal(dir, L);
- assert.equal(deleteCounter, 0);
-
- mq.keystroke('Backspace'); // stays at left edge
- assert.equal(deleteCounter, 1);
- assert.equal(dir, L);
-
- mq.keystroke('Backspace'); // stays at left edge
- assert.equal(deleteCounter, 2);
- assert.equal(dir, L);
-
- mq.keystroke('Left'); // stays at left edge
- assert.equal(moveCounter, 4);
- assert.equal(dir, L);
-
- $('#mock').empty();
- });
- }
- });
-
- suite('.cmd(...)', function() {
- var mq;
- setup(function() {
- mq = MQ.MathField($('').appendTo('#mock')[0]);
- });
- teardown(function() {
- $(mq.el()).remove();
- });
-
- test('basic', function() {
- mq.cmd('x');
- assert.equal(mq.latex(), 'x');
- mq.cmd('y');
- assert.equal(mq.latex(), 'xy');
- mq.cmd('^');
- assert.equal(mq.latex(), 'xy^{ }');
- mq.cmd('2');
- assert.equal(mq.latex(), 'xy^2');
- mq.keystroke('Right Shift-Left Shift-Left Shift-Left').cmd('\\sqrt');
- assert.equal(mq.latex(), '\\sqrt{xy^2}');
- mq.typedText('*2**');
- assert.equal(mq.latex(), '\\sqrt{xy^2\\cdot2\\cdot\\cdot}');
- });
-
- test('backslash commands are passed their name', function() {
- mq.cmd('\\alpha');
- assert.equal(mq.latex(), '\\alpha');
- });
-
- test('replaces selection', function() {
- mq.typedText('49').select().cmd('\\sqrt');
- assert.equal(mq.latex(), '\\sqrt{49}');
- });
-
- test('operator name', function() {
- mq.cmd('\\sin');
- assert.equal(mq.latex(), '\\sin');
- });
-
- test('nonexistent LaTeX command is noop', function() {
- mq.typedText('49').select().cmd('\\asdf').cmd('\\sqrt');
- assert.equal(mq.latex(), '\\sqrt{49}');
- });
-
- test('overflow triggers automatic horizontal scroll', function(done) {
- var mqEl = mq.el();
- var rootEl = mq.__controller.root.jQ[0];
- var cursor = mq.__controller.cursor;
-
- $(mqEl).width(10);
- var previousScrollLeft = rootEl.scrollLeft;
-
- mq.cmd("\\alpha");
- setTimeout(afterScroll, 150);
-
- function afterScroll() {
- cursor.show();
-
- try {
- assert.ok(rootEl.scrollLeft > previousScrollLeft, "scrolls on cmd");
- assert.ok(mqEl.getBoundingClientRect().right > cursor.jQ[0].getBoundingClientRect().right,
- "cursor right end is inside the field");
- }
- catch(error) {
- done(error);
- return;
- }
-
- done();
- }
- });
- });
-
- suite('spaceBehavesLikeTab', function() {
- var mq, rootBlock, cursor;
- test('space behaves like tab with default opts', function() {
- mq = MQ.MathField($('').appendTo('#mock')[0]);
- rootBlock = mq.__controller.root;
- cursor = mq.__controller.cursor;
-
- mq.latex('\\sqrt{x}');
- mq.keystroke('Left');
-
- mq.keystroke('Spacebar');
- mq.typedText(' ');
- assert.equal(cursor[L].ctrlSeq, '\\ ', 'left of the cursor is ' + cursor[L].ctrlSeq);
- assert.equal(cursor[R], 0, 'right of the cursor is ' + cursor[R]);
- mq.keystroke('Backspace');
-
- mq.keystroke('Shift-Spacebar');
- mq.typedText(' ');
- assert.equal(cursor[L].ctrlSeq, '\\ ', 'left of the cursor is ' + cursor[L].ctrlSeq);
- assert.equal(cursor[R], 0, 'right of the cursor is ' + cursor[R]);
-
- $(mq.el()).remove();
- });
- test('space behaves like tab when spaceBehavesLikeTab is true', function() {
- var opts = { 'spaceBehavesLikeTab': true };
- mq = MQ.MathField( $('').appendTo('#mock')[0], opts)
- rootBlock = mq.__controller.root;
- cursor = mq.__controller.cursor;
-
- mq.latex('\\sqrt{x}');
-
- mq.keystroke('Left');
- mq.keystroke('Spacebar');
- assert.equal(cursor[L].parent, rootBlock, 'parent of the cursor is ' + cursor[L].ctrlSeq);
- assert.equal(cursor[R], 0, 'right cursor is ' + cursor[R]);
-
- mq.keystroke('Left');
- mq.keystroke('Shift-Spacebar');
- assert.equal(cursor[L], 0, 'left cursor is ' + cursor[L]);
- assert.equal(cursor[R], rootBlock.ends[L], 'parent of rootBlock is ' + cursor[R]);
-
- $(mq.el()).remove();
- });
- test('space behaves like tab when globally set to true', function() {
- MQ.config({ spaceBehavesLikeTab: true });
-
- mq = MQ.MathField( $('').appendTo('#mock')[0]);
- rootBlock = mq.__controller.root;
- cursor = mq.__controller.cursor;
-
- mq.latex('\\sqrt{x}');
-
- mq.keystroke('Left');
- mq.keystroke('Spacebar');
- assert.equal(cursor.parent, rootBlock, 'cursor in root block');
- assert.equal(cursor[R], 0, 'cursor at end of block');
-
- $(mq.el()).remove();
- });
- });
-
- suite('statelessClipboard option', function() {
- suite('default', function() {
- var mq, textarea;
- setup(function() {
- mq = MQ.MathField($('').appendTo('#mock')[0]);
- textarea = $(mq.el()).find('textarea');;
- });
- teardown(function() {
- $(mq.el()).remove();
- });
- function assertPaste(paste, latex) {
- if (arguments.length < 2) latex = paste;
- mq.latex('');
- textarea.trigger('paste').val(paste).trigger('input');
- assert.equal(mq.latex(), latex);
- }
-
- test('numbers and letters', function() {
- assertPaste('123xyz');
- });
- test('a sentence', function() {
- assertPaste('Lorem ipsum is a placeholder text commonly used to '
- + 'demonstrate the graphical elements of a document or '
- + 'visual presentation.',
- 'Loremipsumisaplaceholdertextcommonlyusedtodemonstrate'
- + 'thegraphicalelementsofadocumentorvisualpresentation.');
- });
- test('actual LaTeX', function() {
- assertPaste('a_nx^n+a_{n+1}x^{n+1}');
- assertPaste('\\frac{1}{2\\sqrt{x}}');
- });
- test('\\text{...}', function() {
- assertPaste('\\text{lol}');
- assertPaste('1+\\text{lol}+2');
- assertPaste('\\frac{\\text{apples}}{\\text{oranges}}');
- });
- test('selection', function(done) {
- mq.latex('x^2').select();
- setTimeout(function() {
- assert.equal(textarea.val(), 'x^2');
- done();
- });
- });
- });
- suite('statelessClipboard set to true', function() {
- var mq, textarea;
- setup(function() {
- mq = MQ.MathField($('').appendTo('#mock')[0],
- { statelessClipboard: true });
- textarea = $(mq.el()).find('textarea');;
- });
- teardown(function() {
- $(mq.el()).remove();
- });
- function assertPaste(paste, latex) {
- if (arguments.length < 2) latex = paste;
- mq.latex('');
- textarea.trigger('paste').val(paste).trigger('input');
- assert.equal(mq.latex(), latex);
- }
-
- test('numbers and letters', function() {
- assertPaste('123xyz', '\\text{123xyz}');
- });
- test('a sentence', function() {
- assertPaste('Lorem ipsum is a placeholder text commonly used to '
- + 'demonstrate the graphical elements of a document or '
- + 'visual presentation.',
- '\\text{Lorem ipsum is a placeholder text commonly used to '
- + 'demonstrate the graphical elements of a document or '
- + 'visual presentation.}');
- });
- test('backslashes', function() {
- assertPaste('something \\pi something \\asdf',
- '\\text{something \\pi something \\asdf}');
- });
- // TODO: braces (currently broken)
- test('actual math LaTeX wrapped in dollar signs', function() {
- assertPaste('$a_nx^n+a_{n+1}x^{n+1}$', 'a_nx^n+a_{n+1}x^{n+1}');
- assertPaste('$\\frac{1}{2\\sqrt{x}}$', '\\frac{1}{2\\sqrt{x}}');
- });
- test('selection', function(done) {
- mq.latex('x^2').select();
- setTimeout(function() {
- assert.equal(textarea.val(), '$x^2$');
- done();
- });
- });
- });
- });
-
- suite('leftRightIntoCmdGoes: "up"/"down"', function() {
- test('"up" or "down" required', function() {
- assert.throws(function() {
- MQ.MathField($('')[0], { leftRightIntoCmdGoes: 1 });
- });
- });
- suite('default', function() {
- var mq;
- setup(function() {
- mq = MQ.MathField($('').appendTo('#mock')[0]);
- });
- teardown(function() {
- $(mq.el()).remove();
- });
-
- test('fractions', function() {
- mq.latex('\\frac{1}{x}+\\frac{\\frac{1}{2}}{\\frac{3}{4}}');
- assert.equal(mq.latex(), '\\frac{1}{x}+\\frac{\\frac{1}{2}}{\\frac{3}{4}}');
-
- mq.moveToLeftEnd().typedText('a');
- assert.equal(mq.latex(), 'a\\frac{1}{x}+\\frac{\\frac{1}{2}}{\\frac{3}{4}}');
-
- mq.keystroke('Right').typedText('b');
- assert.equal(mq.latex(), 'a\\frac{b1}{x}+\\frac{\\frac{1}{2}}{\\frac{3}{4}}');
-
- mq.keystroke('Right Right').typedText('c');
- assert.equal(mq.latex(), 'a\\frac{b1}{cx}+\\frac{\\frac{1}{2}}{\\frac{3}{4}}');
-
- mq.keystroke('Right Right').typedText('d');
- assert.equal(mq.latex(), 'a\\frac{b1}{cx}d+\\frac{\\frac{1}{2}}{\\frac{3}{4}}');
-
- mq.keystroke('Right Right').typedText('e');
- assert.equal(mq.latex(), 'a\\frac{b1}{cx}d+\\frac{e\\frac{1}{2}}{\\frac{3}{4}}');
-
- mq.keystroke('Right').typedText('f');
- assert.equal(mq.latex(), 'a\\frac{b1}{cx}d+\\frac{e\\frac{f1}{2}}{\\frac{3}{4}}');
-
- mq.keystroke('Right Right').typedText('g');
- assert.equal(mq.latex(), 'a\\frac{b1}{cx}d+\\frac{e\\frac{f1}{g2}}{\\frac{3}{4}}');
-
- mq.keystroke('Right Right').typedText('h');
- assert.equal(mq.latex(), 'a\\frac{b1}{cx}d+\\frac{e\\frac{f1}{g2}h}{\\frac{3}{4}}');
-
- mq.keystroke('Right').typedText('i');
- assert.equal(mq.latex(), 'a\\frac{b1}{cx}d+\\frac{e\\frac{f1}{g2}h}{i\\frac{3}{4}}');
-
- mq.keystroke('Right').typedText('j');
- assert.equal(mq.latex(), 'a\\frac{b1}{cx}d+\\frac{e\\frac{f1}{g2}h}{i\\frac{j3}{4}}');
-
- mq.keystroke('Right Right').typedText('k');
- assert.equal(mq.latex(), 'a\\frac{b1}{cx}d+\\frac{e\\frac{f1}{g2}h}{i\\frac{j3}{k4}}');
-
- mq.keystroke('Right Right').typedText('l');
- assert.equal(mq.latex(), 'a\\frac{b1}{cx}d+\\frac{e\\frac{f1}{g2}h}{i\\frac{j3}{k4}l}');
-
- mq.keystroke('Right').typedText('m');
- assert.equal(mq.latex(), 'a\\frac{b1}{cx}d+\\frac{e\\frac{f1}{g2}h}{i\\frac{j3}{k4}l}m');
- });
-
- test('supsub', function() {
- mq.latex('x_a+y^b+z_a^b+w');
- assert.equal(mq.latex(), 'x_a+y^b+z_a^b+w');
-
- mq.moveToLeftEnd().typedText('1');
- assert.equal(mq.latex(), '1x_a+y^b+z_a^b+w');
-
- mq.keystroke('Right Right').typedText('2');
- assert.equal(mq.latex(), '1x_{2a}+y^b+z_a^b+w');
-
- mq.keystroke('Right Right').typedText('3');
- assert.equal(mq.latex(), '1x_{2a}3+y^b+z_a^b+w');
-
- mq.keystroke('Right Right Right').typedText('4');
- assert.equal(mq.latex(), '1x_{2a}3+y^{4b}+z_a^b+w');
-
- mq.keystroke('Right Right').typedText('5');
- assert.equal(mq.latex(), '1x_{2a}3+y^{4b}5+z_a^b+w');
-
- mq.keystroke('Right Right Right').typedText('6');
- assert.equal(mq.latex(), '1x_{2a}3+y^{4b}5+z_{6a}^b+w');
-
- mq.keystroke('Right Right').typedText('7');
- assert.equal(mq.latex(), '1x_{2a}3+y^{4b}5+z_{6a}^{7b}+w');
-
- mq.keystroke('Right Right').typedText('8');
- assert.equal(mq.latex(), '1x_{2a}3+y^{4b}5+z_{6a}^{7b}8+w');
- });
-
- test('nthroot', function() {
- mq.latex('\\sqrt[n]{x}');
- assert.equal(mq.latex(), '\\sqrt[n]{x}');
-
- mq.moveToLeftEnd().typedText('1');
- assert.equal(mq.latex(), '1\\sqrt[n]{x}');
-
- mq.keystroke('Right').typedText('2');
- assert.equal(mq.latex(), '1\\sqrt[2n]{x}');
-
- mq.keystroke('Right Right').typedText('3');
- assert.equal(mq.latex(), '1\\sqrt[2n]{3x}');
-
- mq.keystroke('Right Right').typedText('4');
- assert.equal(mq.latex(), '1\\sqrt[2n]{3x}4');
- });
- });
-
- suite('"up"', function() {
- var mq;
- setup(function() {
- mq = MQ.MathField($('').appendTo('#mock')[0],
- { leftRightIntoCmdGoes: 'up' });
- });
- teardown(function() {
- $(mq.el()).remove();
- });
-
- test('fractions', function() {
- mq.latex('\\frac{1}{x}+\\frac{\\frac{1}{2}}{\\frac{3}{4}}');
- assert.equal(mq.latex(), '\\frac{1}{x}+\\frac{\\frac{1}{2}}{\\frac{3}{4}}');
-
- mq.moveToLeftEnd().typedText('a');
- assert.equal(mq.latex(), 'a\\frac{1}{x}+\\frac{\\frac{1}{2}}{\\frac{3}{4}}');
-
- mq.keystroke('Right').typedText('b');
- assert.equal(mq.latex(), 'a\\frac{b1}{x}+\\frac{\\frac{1}{2}}{\\frac{3}{4}}');
-
- mq.keystroke('Right Right').typedText('c');
- assert.equal(mq.latex(), 'a\\frac{b1}{x}c+\\frac{\\frac{1}{2}}{\\frac{3}{4}}');
-
- mq.keystroke('Right Right').typedText('d');
- assert.equal(mq.latex(), 'a\\frac{b1}{x}c+\\frac{d\\frac{1}{2}}{\\frac{3}{4}}');
-
- mq.keystroke('Right').typedText('e');
- assert.equal(mq.latex(), 'a\\frac{b1}{x}c+\\frac{d\\frac{e1}{2}}{\\frac{3}{4}}');
-
- mq.keystroke('Right Right').typedText('f');
- assert.equal(mq.latex(), 'a\\frac{b1}{x}c+\\frac{d\\frac{e1}{2}f}{\\frac{3}{4}}');
-
- mq.keystroke('Right').typedText('g');
- assert.equal(mq.latex(), 'a\\frac{b1}{x}c+\\frac{d\\frac{e1}{2}f}{\\frac{3}{4}}g');
- });
-
- test('supsub', function() {
- mq.latex('x_a+y^b+z_a^b+w');
- assert.equal(mq.latex(), 'x_a+y^b+z_a^b+w');
-
- mq.moveToLeftEnd().typedText('1');
- assert.equal(mq.latex(), '1x_a+y^b+z_a^b+w');
-
- mq.keystroke('Right Right').typedText('2');
- assert.equal(mq.latex(), '1x_{2a}+y^b+z_a^b+w');
-
- mq.keystroke('Right Right').typedText('3');
- assert.equal(mq.latex(), '1x_{2a}3+y^b+z_a^b+w');
-
- mq.keystroke('Right Right Right').typedText('4');
- assert.equal(mq.latex(), '1x_{2a}3+y^{4b}+z_a^b+w');
-
- mq.keystroke('Right Right').typedText('5');
- assert.equal(mq.latex(), '1x_{2a}3+y^{4b}5+z_a^b+w');
-
- mq.keystroke('Right Right Right').typedText('6');
- assert.equal(mq.latex(), '1x_{2a}3+y^{4b}5+z_a^{6b}+w');
-
- mq.keystroke('Right Right').typedText('7');
- assert.equal(mq.latex(), '1x_{2a}3+y^{4b}5+z_a^{6b}7+w');
- });
-
- test('nthroot', function() {
- mq.latex('\\sqrt[n]{x}');
- assert.equal(mq.latex(), '\\sqrt[n]{x}');
-
- mq.moveToLeftEnd().typedText('1');
- assert.equal(mq.latex(), '1\\sqrt[n]{x}');
-
- mq.keystroke('Right').typedText('2');
- assert.equal(mq.latex(), '1\\sqrt[2n]{x}');
-
- mq.keystroke('Right Right').typedText('3');
- assert.equal(mq.latex(), '1\\sqrt[2n]{3x}');
-
- mq.keystroke('Right Right').typedText('4');
- assert.equal(mq.latex(), '1\\sqrt[2n]{3x}4');
- });
- });
- });
-
- suite('sumStartsWithNEquals', function() {
- test('sum defaults to empty limits', function() {
- var mq = MQ.MathField($('').appendTo('#mock')[0]);
- assert.equal(mq.latex(), '');
-
- mq.cmd('\\sum');
- assert.equal(mq.latex(), '\\sum_{ }^{ }');
-
- mq.cmd('n');
- assert.equal(mq.latex(), '\\sum_n^{ }', 'cursor in lower limit');
-
- $(mq.el()).remove();
- });
- test('sum starts with `n=`', function() {
- var mq = MQ.MathField($('').appendTo('#mock')[0], {
- sumStartsWithNEquals: true
- });
- assert.equal(mq.latex(), '');
-
- mq.cmd('\\sum');
- assert.equal(mq.latex(), '\\sum_{n=}^{ }');
-
- mq.cmd('0');
- assert.equal(mq.latex(), '\\sum_{n=0}^{ }', 'cursor after the `n=`');
-
- $(mq.el()).remove();
- });
- });
-
- suite('substituteTextarea', function() {
- test('doesn\'t blow up on selection', function() {
- var mq = MQ.MathField($('').appendTo('#mock')[0], {
- substituteTextarea: function() {
- return $('')[0];
- }
- });
-
- assert.equal(mq.latex(), '');
- mq.write('asdf');
- mq.select();
-
- $(mq.el()).remove();
- });
- });
-
- suite('dropEmbedded', function() {
- test('inserts into empty', function() {
- var mq = MQ.MathField($('').appendTo('#mock')[0]);
- mq.dropEmbedded(0, 0, {
- htmlString: '',
- text: function () { return "embedded text" },
- latex: function () { return "embedded latex" }
- });
-
- assert.ok(jQuery('.embedded-html').length);
- assert.equal(mq.text(), "embedded text");
- assert.equal(mq.latex(), "embedded latex");
-
- $(mq.el()).remove();
- });
- test('inserts at coordinates', function() {
- // Insert filler so that the page is taller than the window so this test is deterministic
- // Test that we use clientY instead of pageY
- var windowHeight = $(window).height();
- var filler = $('