1 files changed, 125 insertions, 0 deletions
diff --git a/testing/web-platform/tests/url/url-setters-stripping.any.js b/testing/web-platform/tests/url/url-setters-stripping.any.js
new file mode 100644
index 0000000000..ac90cc17e0
--- /dev/null
+++ b/testing/web-platform/tests/url/url-setters-stripping.any.js
@@ -0,0 +1,125 @@
+function urlString({ scheme = "https",
+                     username = "username",
+                     password = "password",
+                     host = "host",
+                     port = "8000",
+                     pathname = "path",
+                     search = "query",
+                     hash = "fragment" }) {
+  return `${scheme}://${username}:${password}@${host}:${port}/${pathname}?${search}#${hash}`;
+}
+
+function urlRecord(scheme) {
+  return new URL(urlString({ scheme }));
+}
+
+for(const scheme of ["https", "wpt++"]) {
+  for(let i = 0; i < 0x20; i++) {
+    const stripped = i === 0x09 || i === 0x0A || i === 0x0D;
+
+    // It turns out that user agents are surprisingly similar for these ranges so generate fewer
+    // tests. If this is changed also change the logic for host below.
+    if (i !== 0 && i !== 0x1F && !stripped) {
+      continue;
+    }
+
+    const cpString = String.fromCodePoint(i);
+    const cpReference = "U+" + i.toString(16).toUpperCase().padStart(4, "0");
+
+    test(() => {
+      const expected = scheme === "https" ? (stripped ? "http" : "https") : (stripped ? "wpt--" : "wpt++");
+      const url = urlRecord(scheme);
+      url.protocol = String.fromCodePoint(i) + (scheme === "https" ? "http" : "wpt--");
+      assert_equals(url.protocol, expected + ":", "property");
+      assert_equals(url.href, urlString({ scheme: expected }), "href");
+    }, `Setting protocol with leading ${cpReference} (${scheme}:)`);
+
+    test(() => {
+      const expected = scheme === "https" ? (stripped ? "http" : "https") : (stripped ? "wpt--" : "wpt++");
+      const url = urlRecord(scheme);
+      url.protocol = (scheme === "https" ? "http" : "wpt--") + String.fromCodePoint(i);
+      assert_equals(url.protocol, expected + ":", "property");
+      assert_equals(url.href, urlString({ scheme: expected }), "href");
+    }, `Setting protocol with ${cpReference} before inserted colon (${scheme}:)`);
+
+    // Cannot test protocol with trailing as the algorithm inserts a colon before proceeding
+
+    // These do no stripping
+    for (const property of ["username", "password"]) {
+      for (const [type, expected, input] of [
+        ["leading", encodeURIComponent(cpString) + "test", String.fromCodePoint(i) + "test"],
+        ["middle", "te" + encodeURIComponent(cpString) + "st", "te" + String.fromCodePoint(i) + "st"],
+        ["trailing", "test" + encodeURIComponent(cpString), "test" + String.fromCodePoint(i)]
+      ]) {
+        test(() => {
+          const url = urlRecord(scheme);
+          url[property] = input;
+          assert_equals(url[property], expected, "property");
+          assert_equals(url.href, urlString({ scheme, [property]: expected }), "href");
+        }, `Setting ${property} with ${type} ${cpReference} (${scheme}:)`);
+      }
+    }
+
+    for (const [type, expectedPart, input] of [
+      ["leading", (scheme === "https" ? cpString : encodeURIComponent(cpString)) + "test", String.fromCodePoint(i) + "test"],
+      ["middle", "te" + (scheme === "https" ? cpString : encodeURIComponent(cpString)) + "st", "te" + String.fromCodePoint(i) + "st"],
+      ["trailing", "test" + (scheme === "https" ? cpString : encodeURIComponent(cpString)), "test" + String.fromCodePoint(i)]
+    ]) {
+      test(() => {
+        const expected = i === 0x00 || (scheme === "https" && i === 0x1F) ? "host" : stripped ? "test" : expectedPart;
+        const url = urlRecord(scheme);
+        url.host = input;
+        assert_equals(url.host, expected + ":8000", "property");
+        assert_equals(url.href, urlString({ scheme, host: expected }), "href");
+      }, `Setting host with ${type} ${cpReference} (${scheme}:)`);
+
+      test(() => {
+        const expected = i === 0x00 || (scheme === "https" && i === 0x1F) ? "host" : stripped ? "test" : expectedPart;
+        const url = urlRecord(scheme);
+        url.hostname = input;
+        assert_equals(url.hostname, expected, "property");
+        assert_equals(url.href, urlString({ scheme, host: expected }), "href");
+      }, `Setting hostname with ${type} ${cpReference} (${scheme}:)`);
+    }
+
+    test(() => {
+      const expected = stripped ? "9000" : "8000";
+      const url = urlRecord(scheme);
+      url.port = String.fromCodePoint(i) + "9000";
+      assert_equals(url.port, expected, "property");
+      assert_equals(url.href, urlString({ scheme, port: expected }), "href");
+    }, `Setting port with leading ${cpReference} (${scheme}:)`);
+
+    test(() => {
+      const expected = stripped ? "9000" : "90";
+      const url = urlRecord(scheme);
+      url.port = "90" + String.fromCodePoint(i) + "00";
+      assert_equals(url.port, expected, "property");
+      assert_equals(url.href, urlString({ scheme, port: expected }), "href");
+    }, `Setting port with middle ${cpReference} (${scheme}:)`);
+
+    test(() => {
+      const expected = "9000";
+      const url = urlRecord(scheme);
+      url.port = "9000" + String.fromCodePoint(i);
+      assert_equals(url.port, expected, "property");
+      assert_equals(url.href, urlString({ scheme, port: expected }), "href");
+    }, `Setting port with trailing ${cpReference} (${scheme}:)`);
+
+    for (const [property, separator] of [["pathname", "/"], ["search", "?"], ["hash", "#"]]) {
+      for (const [type, expectedPart, input] of [
+        ["leading", encodeURIComponent(cpString) + "test", String.fromCodePoint(i) + "test"],
+        ["middle", "te" + encodeURIComponent(cpString) + "st", "te" + String.fromCodePoint(i) + "st"],
+        ["trailing", "test" + encodeURIComponent(cpString), "test" + String.fromCodePoint(i)]
+      ]) {
+        test(() => {
+          const expected = stripped ? "test" : expectedPart;
+          const url = urlRecord(scheme);
+          url[property] = input;
+          assert_equals(url[property], separator + expected, "property");
+          assert_equals(url.href, urlString({ scheme, [property]: expected }), "href");
+        }, `Setting ${property} with ${type} ${cpReference} (${scheme}:)`);
+      }
+    }
+  }
+}