allow = and == in media queries

src/parse/media.rs

@@ -36,10 +36,10 @@ impl<'a> Parser<'a> {
             Some(Token { kind: '=', .. }) => {
                 if matches!(toks.peek_next(), Some(Token { kind: '=', .. })) {
                     toks.reset_cursor();
-                    true
+                    false
                 } else {
                     toks.reset_cursor();
-                    false
+                    true
                 }
             }
             _ => false,

tests/media.rs

@@ -88,6 +88,26 @@ test!(
     }",
     "@media (true) {\n  a {\n    interpolation: in-parens;\n  }\n}\n"
 );
+test!(
+    single_eq_in_query,
+    "@media (height=600px) {
+        a {
+            b: c
+        }
+    }
+    ",
+    "@media (height = 600px) {\n  a {\n    b: c;\n  }\n}\n"
+);
+test!(
+    double_eq_in_query,
+    "@media (height==600px) {
+        a {
+            b: c
+        }
+    }
+    ",
+    "@media (false) {\n  a {\n    b: c;\n  }\n}\n"
+);
 error!(
     media_feature_missing_closing_paren,
     "@media foo and (bar:a", "Error: expected \")\"."