hello
\n') + e.run(toggleUnderline) + expect(e.doc).toBe('**hello**') + }) + it('重复修改同一选区会更新标签，撤销和重做保留选区', () => { + const e = editor('hello') + e.run(applyInlineStyles({ color: '#ff0000' })) + e.run(applyInlineStyles({ color: '#0000ff' })) + e.run(applyInlineStyles({ 'font-size': '1.5em' })) + expect(e.doc).toBe('hello') + expect(e.target.state.sliceDoc(e.target.state.selection.main.from, e.target.state.selection.main.to)).toBe('hello') + expect(undo(e.target)).toBe(true) + expect(redo(e.target)).toBe(true) + expect(e.doc).toContain('font-size: 1.5em') + }) + it('修改部分文字，不影响同一标签内其余内容', () => { + const e = editor('hello world', 'world') + e.run(applyInlineStyles({ color: '#0000ff' })) + expect(e.doc).toBe('hello world') + e.run(clearInlineStyles) + expect(e.doc).toBe('hello world') + }) + it('跨列表、引用和链接操作保留 Markdown 结构与地址', () => { + const e = editor('- **one**\n- [two](https://example.com)\n\n> three') + e.run(applyInlineStyles({ color: '#ff0000' })) + expect(e.doc).toBe('- **one**\n- [two](https://example.com)\n\n> three') + e.run(clearInlineStyles) + expect(e.doc).toBe('- **one**\n- [two](https://example.com)\n\n> three') + }) + it('清除嵌套外观时保留下划线、高亮和链接', () => { + const e = editor('==one== [two](https://example.com)') + e.run(clearInlineStyles) + expect(renderMarkdown(e.doc)).toBe('one two
\n') + }) + it('代码、公式及 YAML 选区不允许套用样式', () => { + for (const doc of ['```js\nvalue\n```', '`value`', '$value$', '---\nvalue: true\n---']) { + const e = editor(doc, 'value') + expect(canFormatSelection(e.target.state)).toBe(false) + expect(e.run(toggleUnderline)).toBe(false) + expect(e.doc).toBe(doc) + } + }) + it('反向和多选区保留方向与相互独立的样式', () => { + const e = editor('one two three') + e.target.dispatch({ selection: EditorSelection.create([EditorSelection.range(3, 0), EditorSelection.range(8, 13)]) }) + e.run(toggleUnderline) + expect(e.doc).toBe('one two three') + expect(e.target.state.selection.main.anchor).toBeGreaterThan(e.target.state.selection.main.head) + }) + it('未渲染的长文末尾也能格式化；默认外观不制造无效编辑', () => { + const doc = 'paragraph\n\n'.repeat(3000) + 'lastword' + const e = editor(doc, 'lastword') + expect(e.run(clearInlineStyles)).toBe(false) + e.run(toggleUnderline) + expect(e.doc).toBe(doc.slice(0, -8) + 'lastword') + }) + it('跨段落的 Markdown 格式逐项切换，保留列表和链接', () => { + for (const mark of ['StrongEmphasis', 'Emphasis', 'Strikethrough', 'Highlight'] as const) { + const e = editor('- one\n- [two](https://example.com)\n\n> three') + e.run(toggleSelectionMark(mark)) + const html = renderMarkdown(e.doc) + const tag = { StrongEmphasis: 'strong', Emphasis: 'em', Strikethrough: 'del', Highlight: 'mark' }[mark] + expect(html).toContain(`<${tag}>one`) + expect(html).toContain(`<${tag}>two`) + e.run(toggleSelectionMark(mark)) + expect(e.doc).toBe('- one\n- [two](https://example.com)\n\n> three') + } + }) + it('混合格式选区统一加粗，局部取消不影响剩余文字', () => { + const e = editor('**one** two') + e.run(toggleSelectionMark('StrongEmphasis')) + expect(renderMarkdown(e.doc)).toBe('one two
\n') + e.select('two') + e.run(toggleSelectionMark('StrongEmphasis')) + expect(renderMarkdown(e.doc)).toBe('one two
\n') + const whitespace = editor(' alpha ') + whitespace.run(toggleSelectionMark('StrongEmphasis')) + expect(whitespace.doc).toBe(' **alpha** ') + expect(whitespace.target.state.sliceDoc(whitespace.target.state.selection.main.from, whitespace.target.state.selection.main.to)).toBe(' **alpha** ') + }) + it('多行列表缩进、引用前缀与硬换行保持不变', () => { + const e = editor('- first \n continued\n\n> quote\n> next') + e.run(applyInlineStyles({ color: '#ff0000' })) + expect(e.doc).toBe('- first \n continued\n\n> quote\n> next') + const html = renderMarkdown(e.doc) + expect(html).toContain('