Command to print paths to dependencies.

sdk/lib/_internal/pub/test/list_package_dirs/ignores_updated_pubspec_test.dart

Index: sdk/lib/_internal/pub/test/list_package_dirs/ignores_updated_pubspec_test.dart
diff --git a/sdk/lib/_internal/pub/test/list_package_dirs/ignores_updated_pubspec_test.dart b/sdk/lib/_internal/pub/test/list_package_dirs/ignores_updated_pubspec_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..bc13c27a2ddbbd9fe8f841af921656e99419c0ed
--- /dev/null
+++ b/sdk/lib/_internal/pub/test/list_package_dirs/ignores_updated_pubspec_test.dart
@@ -0,0 +1,40 @@
+// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS d.file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE d.file.
+
+import 'package:path/path.dart' as path;
+
+import '../../lib/src/exit_codes.dart' as exit_codes;
+
+import '../descriptor.dart' as d;
+import '../test_pub.dart';
+
+main() {
+  initConfig();
+  integration("uses what's in the lockfile regardless of the pubspec", () {
+    d.dir("foo", [
+      d.libDir("foo"),
+      d.libPubspec("foo", "1.0.0")
+    ]).create();
+
+    d.dir(appPath, [
+      d.appPubspec({
+        "foo": {"path": path.join(sandboxDir, "foo")}
+      })
+    ]).create();
+
+    pubInstall();
+
+    // Add a dependency on "bar" and remove "foo", but don't run "pub install".
+    d.dir(appPath, [
+      d.appPubspec({
+        "bar": "any"
+      })
+    ]).create();
+
+    schedulePub(args: ["list-package-dirs", "--format=json"],
+        outputJson: {
+          "foo": path.join(sandboxDir, "foo")
+        });
+  });
+}