Add tests for some command line special keys

Includes <C-u>, <C-p>, <C-n>, <C-b>, <C-e>, <Home>, and <End>. Fixes #4040
VSCodeVim · Sep 22, 2019 · 93c92b1 · 93c92b1
1 parent 92ee6df
commit 93c92b1
Showing 1 changed file with 60 additions and 0 deletions.
diff --git a/test/cmd_line/command.test.ts b/test/cmd_line/command.test.ts
@@ -93,4 +93,64 @@ suite('cmd_line/search command', () => {
     assert.equal(statusBar, '/|123', 'Failed to retain the text on the right of the cursor');
     await modeHandler.handleKeyEvent('<Esc>');
   });
+
+  test('<C-u> deletes from cursor to first character', async () => {
+    await modeHandler.handleMultipleKeyEvents(':s/abc/xyz'.split(''));
+    await modeHandler.handleMultipleKeyEvents(['<left>', '<left>', '<C-u>']);
+    const statusBar = StatusBar.Get().trim();
+    assert.equal(statusBar, ':|yz');
+    await modeHandler.handleKeyEvent('<Esc>');
+  });
+
+  test('<C-b> puts cursor at start of command line', async () => {
+    await modeHandler.handleMultipleKeyEvents(':s/abc/xyz'.split(''));
+    await modeHandler.handleKeyEvent('<C-b>');
+    const statusBar = StatusBar.Get().trim();
+    assert.equal(statusBar, ':|s/abc/xyz');
+    await modeHandler.handleKeyEvent('<Esc>');
+  });
+
+  test('<Home> puts cursor at start of command line', async () => {
+    await modeHandler.handleMultipleKeyEvents(':s/abc/xyz'.split(''));
+    await modeHandler.handleKeyEvent('<Home>');
+    const statusBar = StatusBar.Get().trim();
+    assert.equal(statusBar, ':|s/abc/xyz');
+    await modeHandler.handleKeyEvent('<Esc>');
+  });
+
+  test('<C-e> puts cursor at end of command line', async () => {
+    await modeHandler.handleMultipleKeyEvents(':s/abc/xyz'.split(''));
+    await modeHandler.handleMultipleKeyEvents(['<C-b>', '<C-e>']);
+    const statusBar = StatusBar.Get().trim();
+    assert.equal(statusBar, ':s/abc/xyz|');
+    await modeHandler.handleKeyEvent('<Esc>');
+  });
+
+  test('<End> puts cursor at end of command line', async () => {
+    await modeHandler.handleMultipleKeyEvents(':s/abc/xyz'.split(''));
+    await modeHandler.handleMultipleKeyEvents(['<Home>', '<End>']);
+    const statusBar = StatusBar.Get().trim();
+    assert.equal(statusBar, ':s/abc/xyz|');
+    await modeHandler.handleKeyEvent('<Esc>');
+  });
+
+  test('<C-p>/<C-n> go to the previous/next command', async () => {
+    // Establish a history - :s/a/b, then :s/x/y.
+    // :w is the current one, not yet confirmed
+    await modeHandler.handleMultipleKeyEvents(':s/a/b\n'.split(''));
+    await modeHandler.handleMultipleKeyEvents(':s/x/y\n'.split(''));
+    await modeHandler.handleMultipleKeyEvents([':', 'w', '<C-p>']);
+
+    // Going backward - :s/x/y, then :s/a/b
+    assert.equal(StatusBar.Get().trim(), ':s/x/y|');
+    await modeHandler.handleKeyEvent('<C-p>');
+    assert.equal(StatusBar.Get().trim(), ':s/a/b|');
+
+    // Going forward again - :s/x/y, then :w (the one we started typing)
+    await modeHandler.handleKeyEvent('<C-n>');
+    assert.equal(StatusBar.Get().trim(), ':s/x/y|');
+    await modeHandler.handleKeyEvent('<C-n>');
+    assert.equal(StatusBar.Get().trim(), ':w|');
+    await modeHandler.handleKeyEvent('<Esc>');
+  });
 });