1 files changed, 162 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg_scripts-switching-01.js b/devtools/client/debugger/test/mochitest/browser_dbg_scripts-switching-01.js
new file mode 100644
index 000000000..b213040c0
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg_scripts-switching-01.js
@@ -0,0 +1,162 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Make sure that switching the displayed source in the UI works as advertised.
+ */
+
+const TAB_URL = EXAMPLE_URL + "doc_script-switching-01.html";
+
+function test() {
+  let options = {
+    source: EXAMPLE_URL + "code_script-switching-01.js",
+    line: 1
+  };
+  initDebugger(TAB_URL, options).then(([aTab,, aPanel]) => {
+    const gTab = aTab;
+    const gPanel = aPanel;
+    const gDebugger = gPanel.panelWin;
+    const gEditor = gDebugger.DebuggerView.editor;
+    const gSources = gDebugger.DebuggerView.Sources;
+
+    const gLabel1 = "code_script-switching-01.js";
+    const gLabel2 = "code_script-switching-02.js";
+
+    function testSourcesDisplay() {
+      let deferred = promise.defer();
+
+      is(gSources.itemCount, 2,
+         "Found the expected number of sources. (1)");
+
+      is(gSources.items[0].target.querySelector(".dbg-source-item").getAttribute("tooltiptext"),
+         EXAMPLE_URL + "code_script-switching-01.js",
+         "The correct tooltip text is displayed for the first source. (1)");
+      is(gSources.items[1].target.querySelector(".dbg-source-item").getAttribute("tooltiptext"),
+         EXAMPLE_URL + "code_script-switching-02.js",
+         "The correct tooltip text is displayed for the second source. (1)");
+
+      ok(getSourceActor(gSources, EXAMPLE_URL + gLabel1),
+         "First source url is incorrect. (1)");
+      ok(getSourceActor(gSources, EXAMPLE_URL + gLabel2),
+         "Second source url is incorrect. (1)");
+
+      ok(gSources.getItemForAttachment(e => e.label == gLabel1),
+         "First source label is incorrect. (1)");
+      ok(gSources.getItemForAttachment(e => e.label == gLabel2),
+         "Second source label is incorrect. (1)");
+
+      ok(gSources.selectedItem,
+         "There should be a selected item in the sources pane. (1)");
+      is(getSelectedSourceURL(gSources), EXAMPLE_URL + gLabel2,
+         "The selected value is the sources pane is incorrect. (1)");
+
+      is(gEditor.getText().search(/firstCall/), -1,
+         "The first source is not displayed. (1)");
+      is(gEditor.getText().search(/debugger/), 166,
+         "The second source is displayed. (1)");
+
+      ok(isCaretPos(gPanel, 6),
+         "Editor caret location is correct. (1)");
+
+      // The editor's debug location takes a tick to update.
+      is(gEditor.getDebugLocation(), 5,
+         "Editor debugger location is correct. (1)");
+      ok(gEditor.hasLineClass(5, "debug-line"),
+         "The debugged line is highlighted appropriately (1).");
+
+      waitForDebuggerEvents(gPanel, gDebugger.EVENTS.SOURCE_SHOWN).then(deferred.resolve);
+      gSources.selectedIndex = 0;
+
+      return deferred.promise;
+    }
+
+    function testSwitchPaused1() {
+      let deferred = promise.defer();
+
+      ok(gSources.selectedItem,
+         "There should be a selected item in the sources pane. (2)");
+      is(getSelectedSourceURL(gSources), EXAMPLE_URL + gLabel1,
+         "The selected value is the sources pane is incorrect. (2)");
+
+      is(gEditor.getText().search(/firstCall/), 118,
+         "The first source is displayed. (2)");
+      is(gEditor.getText().search(/debugger/), -1,
+         "The second source is not displayed. (2)");
+
+      // The editor's debug location takes a tick to update.
+      ok(isCaretPos(gPanel, 1),
+         "Editor caret location is correct. (2)");
+      is(gEditor.getDebugLocation(), null,
+         "Editor debugger location is correct. (2)");
+      ok(!gEditor.hasLineClass(5, "debug-line"),
+         "The debugged line highlight was removed. (2)");
+
+      waitForDebuggerEvents(gPanel, gDebugger.EVENTS.SOURCE_SHOWN).then(deferred.resolve);
+      gSources.selectedIndex = 1;
+      return deferred.promise;
+    }
+
+    function testSwitchPaused2() {
+      let deferred = promise.defer();
+
+      ok(gSources.selectedItem,
+         "There should be a selected item in the sources pane. (3)");
+      is(getSelectedSourceURL(gSources), EXAMPLE_URL + gLabel2,
+         "The selected value is the sources pane is incorrect. (3)");
+
+      is(gEditor.getText().search(/firstCall/), -1,
+         "The first source is not displayed. (3)");
+      is(gEditor.getText().search(/debugger/), 166,
+         "The second source is displayed. (3)");
+
+      ok(isCaretPos(gPanel, 6),
+         "Editor caret location is correct. (3)");
+      is(gEditor.getDebugLocation(), 5,
+         "Editor debugger location is correct. (3)");
+      ok(gEditor.hasLineClass(5, "debug-line"),
+         "The debugged line is highlighted appropriately (3).");
+
+      // Step out twice.
+      waitForThreadEvents(gPanel, "paused").then(() => {
+        waitForDebuggerEvents(gPanel, gDebugger.EVENTS.SOURCE_SHOWN).then(deferred.resolve);
+        gDebugger.gThreadClient.stepOut();
+      });
+      gDebugger.gThreadClient.stepOut();
+
+      return deferred.promise;
+    }
+
+    function testSwitchRunning() {
+      ok(gSources.selectedItem,
+         "There should be a selected item in the sources pane. (4)");
+      is(getSelectedSourceURL(gSources), EXAMPLE_URL + gLabel1,
+         "The selected value is the sources pane is incorrect. (4)");
+
+      is(gEditor.getText().search(/firstCall/), 118,
+         "The first source is displayed. (4)");
+      is(gEditor.getText().search(/debugger/), -1,
+         "The second source is not displayed. (4)");
+
+      ok(isCaretPos(gPanel, 6),
+         "Editor caret location is correct. (4)");
+      is(gEditor.getDebugLocation(), 5,
+         "Editor debugger location is correct. (4)");
+      ok(gEditor.hasLineClass(5, "debug-line"),
+         "The debugged line is highlighted appropriately (3). (4)");
+    }
+
+    Task.spawn(function* () {
+      const shown = waitForSourceAndCaretAndScopes(gPanel, "-02.js", 1);
+      callInTab(gTab, "firstCall");
+      yield shown;
+
+      yield testSourcesDisplay();
+      yield testSwitchPaused1();
+      yield testSwitchPaused2();
+      yield testSwitchRunning();
+      resumeDebuggerThenCloseAndFinish(gPanel);
+    });
+  });
+}