diff --git a/lib/utils/resolve-url.js b/lib/utils/resolve-url.js
index 06b2292e12..96bb61004c 100644
--- a/lib/utils/resolve-url.js
+++ b/lib/utils/resolve-url.js
@@ -10,7 +10,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
import './boot.js';
let CSS_URL_RX = /(url\()([^)]*)(\))/g;
-let ABS_URL = /(^\/)|(^#)|(^[\w-\d]*:)/;
+let ABS_URL = /(^\/[^\/])|(^#)|(^[\w-\d]*:)/;
let workingURL;
let resolveDoc;
/**
diff --git a/test/unit/resolveurl.html b/test/unit/resolveurl.html
index 7a3106beca..0d9a193a78 100644
--- a/test/unit/resolveurl.html
+++ b/test/unit/resolveurl.html
@@ -154,6 +154,14 @@
assert.equal(actual, expected);
});
+ test('resolveUrl when called with a protocol-relative url', function () {
+ const el = document.querySelector('x-resolve');
+ const expected = `https://example.com/foo`;
+ const actual =
+ el.resolveUrl('//example.com/foo', 'https://example.org/bar');
+ assert.equal(actual, expected);
+ });
+
test('resolveUrl api with assetpath', function() {
var el = document.createElement('p-r-ap');
// Manually calculate expected URL, to avoid dependence on
diff --git a/test/unit/sub/resolveurl-elements.js b/test/unit/sub/resolveurl-elements.js
index 59ba24447e..3fc0faba8b 100644
--- a/test/unit/sub/resolveurl-elements.js
+++ b/test/unit/sub/resolveurl-elements.js
@@ -31,16 +31,16 @@ class PR extends PolymerElement {
}
- ![]()
- Foo
-
-
-
-
-
- Foo
+ ![]()
+ Foo
+
+
+
+
+
+ Foo
Foo
-
+
Foo
Foo
Foo