1 files changed, 91 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/modules/import-meta-expression.js b/js/src/jit-test/tests/modules/import-meta-expression.js
new file mode 100644
index 0000000000..e7562afaed
--- /dev/null
+++ b/js/src/jit-test/tests/modules/import-meta-expression.js
@@ -0,0 +1,91 @@
+load(libdir + "match.js");
+load(libdir + "asserts.js");
+
+var { Pattern, MatchError } = Match;
+
+program = (elts) => Pattern({
+    type: "Program",
+    body: elts
+});
+expressionStatement = (expression) => Pattern({
+    type: "ExpressionStatement",
+    expression: expression
+});
+assignmentExpression = (left, operator, right) => Pattern({
+    type: "AssignmentExpression",
+    operator: operator,
+    left: left,
+    right: right
+});
+ident = (name) => Pattern({
+    type: "Identifier",
+    name: name
+});
+metaProperty = (meta, property) => Pattern({
+    type: "MetaProperty",
+    meta: meta,
+    property: property
+});
+memberExpression = (object, property) => Pattern({
+    type: "MemberExpression",
+    object: object,
+    property: property
+});
+
+function parseAsModule(source)
+{
+    return Reflect.parse(source, {target: "module"});
+}
+
+program([
+    expressionStatement(
+        metaProperty(
+            ident("import"),
+            ident("meta")
+        )
+    )
+]).assert(parseAsModule("import.meta;"));
+
+program([
+    expressionStatement(
+        assignmentExpression(
+            ident("x"),
+            "=",
+            metaProperty(
+                ident("import"),
+                ident("meta")
+            )
+        )
+    )
+]).assert(parseAsModule("x = import.meta;"));
+
+program([
+    expressionStatement(
+        assignmentExpression(
+            memberExpression(
+                metaProperty(
+                    ident("import"),
+                    ident("meta")
+                ),
+                ident("foo")
+            ),
+            "=",
+            ident("x"),
+        )
+    )
+]).assert(parseAsModule("import.meta.foo = x;"));
+
+function assertModuleParseThrowsSyntaxError(source)
+{
+    assertThrowsInstanceOf(() => parseAsModule(source), SyntaxError);
+}
+
+assertModuleParseThrowsSyntaxError("import");
+assertModuleParseThrowsSyntaxError("import.");
+assertModuleParseThrowsSyntaxError("import.met");
+assertModuleParseThrowsSyntaxError("import.metaa");
+assertModuleParseThrowsSyntaxError("x = import");
+assertModuleParseThrowsSyntaxError("x = import.");
+assertModuleParseThrowsSyntaxError("x = import.met");
+assertModuleParseThrowsSyntaxError("x = import.metaa");
+assertModuleParseThrowsSyntaxError("import.meta = x");