1 files changed, 70 insertions, 0 deletions
diff --git a/devtools/client/webconsole/test/browser_webconsole_multiline_input.js b/devtools/client/webconsole/test/browser_webconsole_multiline_input.js
new file mode 100644
index 000000000..7285c2127
--- /dev/null
+++ b/devtools/client/webconsole/test/browser_webconsole_multiline_input.js
@@ -0,0 +1,70 @@
+/* vim:set ts=2 sw=2 sts=2 et: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Tests that the console waits for more input instead of evaluating
+// when valid, but incomplete, statements are present upon pressing enter
+// -or- when the user ends a line with shift + enter.
+
+"use strict";
+
+const TEST_URI = "http://example.com/browser/devtools/client/webconsole/" +
+                 "test/test-console.html";
+
+let SHOULD_ENTER_MULTILINE = [
+  {input: "function foo() {" },
+  {input: "var a = 1," },
+  {input: "var a = 1;", shiftKey: true },
+  {input: "function foo() { }", shiftKey: true },
+  {input: "function" },
+  {input: "(x) =>" },
+  {input: "let b = {" },
+  {input: "let a = [" },
+  {input: "{" },
+  {input: "{ bob: 3343," },
+  {input: "function x(y=" },
+  {input: "Array.from(" },
+  // shift + enter creates a new line despite parse errors
+  {input: "{2,}", shiftKey: true },
+];
+let SHOULD_EXECUTE = [
+  {input: "function foo() { }" },
+  {input: "var a = 1;" },
+  {input: "function foo() { var a = 1; }" },
+  {input: '"asdf"' },
+  {input: "99 + 3" },
+  {input: "1, 2, 3" },
+  // errors
+  {input: "function f(x) { let y = 1, }" },
+  {input: "function f(x=,) {" },
+  {input: "{2,}" },
+];
+
+add_task(function* () {
+  let { tab, browser } = yield loadTab(TEST_URI);
+  let hud = yield openConsole();
+  let inputNode = hud.jsterm.inputNode;
+
+  for (let test of SHOULD_ENTER_MULTILINE) {
+    hud.jsterm.setInputValue(test.input);
+    EventUtils.synthesizeKey("VK_RETURN", { shiftKey: test.shiftKey });
+    let inputValue = hud.jsterm.getInputValue();
+    is(inputNode.selectionStart, inputNode.selectionEnd,
+       "selection is collapsed");
+    is(inputNode.selectionStart, inputValue.length,
+       "caret at end of multiline input");
+    let inputWithNewline = test.input + "\n";
+    is(inputValue, inputWithNewline, "Input value is correct");
+  }
+
+  for (let test of SHOULD_EXECUTE) {
+    hud.jsterm.setInputValue(test.input);
+    EventUtils.synthesizeKey("VK_RETURN", { shiftKey: test.shiftKey });
+    let inputValue = hud.jsterm.getInputValue();
+    is(inputNode.selectionStart, 0, "selection starts/ends at 0");
+    is(inputNode.selectionEnd, 0, "selection starts/ends at 0");
+    is(inputValue, "", "Input value is cleared");
+  }
+
+});