Test wildcards are not mapped

Resolves: #673 (comment)

Author: inancgumus

browser/mapping_test.go

@@ -101,11 +101,21 @@ func TestMappings(t *testing.T) {
 				method := typ.Method(i)
 				require.NotNil(t, method)
 
+				// goja uses methods that starts with lowercase.
+				// so we need to convert the first letter to lowercase.
 				m := toFirstLetterLower(method.Name)
+
+				wm, wok := isWildcard(wildcards, typ.Name(), m)
+				// if the method is a wildcard method, it should not
+				// be mapped to the module. so we should not find it
+				// in the mapped methods.
+				if _, ok := mapped[m]; wok && ok {
+					t.Errorf("method %s should not be mapped", m)
+				}
 				// change the method name if it is mapped to a wildcard
 				// method. these wildcard methods are not exist on our
 				// API. so we need to use the mapped method instead.
-				if wm, ok := isWildcard(wildcards, typ.Name(), m); ok {
+				if wok {
 					m = wm
 				}
 				if _, ok := mapped[m]; !ok {