test: implement msub tag use case
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@ -1207,4 +1207,98 @@ describe('#convert', () => {
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});
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});
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});
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describe('given math string with msub tag', () => {
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describe('msub tag contains single char contents', () => {
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test('convert msub joining its two char contents with _ and wrap subscript in brackets', () => {
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const mathml = `
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<root>
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<math>
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<msub>
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<mi>x</mi>
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<mn>2</mn>
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</msub>
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</math>
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</root>
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`;
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const result = MathMLToLaTeX.convert(mathml);
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expect(result).toMatch('x_{2}');
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});
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});
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describe('msub tag contains base with single char content and subscript with more than one char content', () => {
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test('convert msub joining its two char contents with _ and wrap exponent in brackets', () => {
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const mathml = `
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<root>
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<math>
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<msub>
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<mi>x</mi>
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<mrow>
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<mn>a</mn>
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<mo>+</mo>
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<mn>b</mn>
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</mrow>
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</msub>
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</math>
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</root>
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`;
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const result = MathMLToLaTeX.convert(mathml);
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expect(result).toMatch('x_{a + b}');
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});
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});
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describe('msub tag contains subscript with single char content and base with more than one char content', () => {
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test('convert msub joining its multi char contents with _ and wrap base in parenthesis', () => {
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const mathml = `
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<root>
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<math>
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<msub>
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<mrow>
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<mn>x</mn>
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<mo>+</mo>
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<mn>y</mn>
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</mrow>
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<mi>2</mi>
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</msub>
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</math>
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</root>
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`;
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const result = MathMLToLaTeX.convert(mathml);
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expect(result).toMatch('\\left(x + y\\right)_{2}');
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});
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});
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describe('msub tag contains both base and subscript with more than one char content', () => {
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test('convert msub joining its multi char contents with _, wrap base in parenthesis and subscript in brackets', () => {
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const mathml = `
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<root>
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<math>
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<msub>
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<mrow>
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<mn>x</mn>
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<mo>+</mo>
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<mn>y</mn>
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</mrow>
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<mrow>
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<mn>2</mn>
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<mo>+</mo>
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<mn>2</mn>
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</mrow>
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</msub>
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</math>
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</root>
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`;
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const result = MathMLToLaTeX.convert(mathml);
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expect(result).toMatch('\\left(x + y\\right)_{2 + 2}');
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});
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});
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});
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});
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