1 files changed, 44 insertions, 0 deletions
diff --git a/devtools/client/debugger/new/test/mochitest/browser_dbg-sourcemaps.js b/devtools/client/debugger/new/test/mochitest/browser_dbg-sourcemaps.js
new file mode 100644
index 000000000..30fd7b70c
--- /dev/null
+++ b/devtools/client/debugger/new/test/mochitest/browser_dbg-sourcemaps.js
@@ -0,0 +1,44 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Tests loading sourcemapped sources, setting breakpoints, and
+// stepping in them.
+
+add_task(function* () {
+  const dbg = yield initDebugger("doc-sourcemaps.html");
+  const { selectors: { getBreakpoint, getBreakpoints }, getState } = dbg;
+
+  yield waitForSources(dbg, "entry.js", "output.js", "times2.js", "opts.js");
+  ok(true, "Original sources exist");
+  const entrySrc = findSource(dbg, "entry.js");
+
+  yield selectSource(dbg, entrySrc);
+  ok(dbg.win.cm.getValue().includes("window.keepMeAlive"),
+     "Original source text loaded correctly");
+
+  // Test that breakpoint sliding is not attempted. The breakpoint
+  // should not move anywhere.
+  yield addBreakpoint(dbg, entrySrc, 13);
+  is(getBreakpoints(getState()).size, 1, "One breakpoint exists");
+  ok(getBreakpoint(getState(), { sourceId: entrySrc.id, line: 13 }),
+     "Breakpoint has correct line");
+
+  // Test breaking on a breakpoint
+  yield addBreakpoint(dbg, "entry.js", 15);
+  is(getBreakpoints(getState()).size, 2, "Two breakpoints exist");
+  ok(getBreakpoint(getState(), { sourceId: entrySrc.id, line: 15 }),
+     "Breakpoint has correct line");
+
+  invokeInTab("keepMeAlive");
+  yield waitForPaused(dbg);
+  assertPausedLocation(dbg, entrySrc, 15);
+
+  yield stepIn(dbg);
+  assertPausedLocation(dbg, "times2.js", 2);
+  yield stepOver(dbg);
+  assertPausedLocation(dbg, "times2.js", 3);
+
+  yield stepOut(dbg);
+  yield stepOut(dbg);
+  assertPausedLocation(dbg, "entry.js", 16);
+});