1 files changed, 49 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/dynamic-import/assignment-expression/yield-assign-expr.js b/js/src/tests/test262/language/expressions/dynamic-import/assignment-expression/yield-assign-expr.js
new file mode 100644
index 0000000000..b691719701
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/dynamic-import/assignment-expression/yield-assign-expr.js
@@ -0,0 +1,49 @@
+// |reftest| async
+// Copyright (C) 2018 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: >
+    Dynamic Import receives an AssignmentExpression (yield [no LineTerminator here] AssignmentExpression)
+esid: prod-ImportCall
+info: |
+    ImportCall [Yield]:
+        import ( AssignmentExpression[+In, ?Yield] )
+
+    AssignmentExpression[In, Yield, Await]:
+        ConditionalExpression[?In, ?Yield, ?Await]
+        [+Yield]YieldExpression[?In, ?Await]
+        ArrowFunction[?In, ?Yield, ?Await]
+        AsyncArrowFunction[?In, ?Yield, ?Await]
+        LeftHandSideExpression[?Yield, ?Await] = AssignmentExpression[?In, ?Yield, ?Await]
+        LeftHandSideExpression[?Yield, ?Await] AssignmentOperator AssignmentExpression[?In, ?Yield, ?Await]
+flags: [async]
+features: [dynamic-import]
+includes: [asyncHelpers.js]
+---*/
+
+const a = './module-code_FIXTURE.js';
+const b = './module-code-other_FIXTURE.js';
+
+function *g() {
+    return import(yield 42);
+}
+
+async function fn() {
+    let iter = g();
+    assert.sameValue(iter.next().value, 42);
+
+    const ns1 = await iter.next(a).value; // import('./module-code_FIXTURE.js')
+
+    assert.sameValue(ns1.local1, 'Test262');
+    assert.sameValue(ns1.default, 42);
+
+    iter = g();
+    assert.sameValue(iter.next().value, 42);
+
+    const ns2 = await iter.next(b).value; // import('./module-code-other_FIXTURE.js')
+
+    assert.sameValue(ns2.local1, 'one six one two');
+    assert.sameValue(ns2.default, 1612);
+}
+
+asyncTest(fn);