1 files changed, 59 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg-sourcemaps-indexed.js b/devtools/client/debugger/test/mochitest/browser_dbg-sourcemaps-indexed.js
new file mode 100644
index 0000000000..8629f673cb
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg-sourcemaps-indexed.js
@@ -0,0 +1,59 @@
+/* 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/>. */
+requestLongerTimeout(2);
+
+// Tests loading sourcemapped sources, setting breakpoints, and
+// stepping in them.
+
+// This source map does not have source contents, so it's fetched separately
+add_task(async function() {
+  // NOTE: the CORS call makes the test run times inconsistent
+  const dbg = await initDebugger(
+    "doc-sourcemaps-indexed.html",
+    "main.js",
+    "main.min.js"
+  );
+  const {
+    selectors: { getBreakpoint, getBreakpointCount },
+    getState
+  } = dbg;
+
+  ok(true, "Original sources exist");
+  const mainSrc = findSource(dbg, "main.js");
+
+  await selectSource(dbg, mainSrc);
+
+  // Test that breakpoint is not off by a line.
+  await addBreakpoint(dbg, mainSrc, 4, 2);
+  is(getBreakpointCount(), 1, "One breakpoint exists");
+  ok(
+    getBreakpoint({ sourceId: mainSrc.id, line: 4, column: 2 }),
+    "Breakpoint has correct line"
+  );
+
+  assertBpInGutter(dbg, 4);
+  invokeInTab("logMessage");
+
+  await waitForPaused(dbg);
+  assertPausedLocation(dbg);
+
+  // Tests the existence of the sourcemap link in the original source.
+  ok(findElement(dbg, "sourceMapLink"), "Sourcemap link in original source");
+  await selectSource(dbg, "main.min.js");
+
+  ok(
+    !findElement(dbg, "sourceMapLink"),
+    "No Sourcemap link exists in generated source"
+  );
+});
+
+function assertBpInGutter(dbg, lineNumber) {
+  const el = findElement(dbg, "breakpoint");
+  const bpLineNumber = +el.querySelector(".CodeMirror-linenumber").innerText;
+  is(
+    bpLineNumber,
+    lineNumber,
+    "Breakpoint is on the correct line in the gutter"
+  );
+}