[Webkit-unassigned] [Bug 259080] New: URL pathname and search setter incorrectly strips trailing spaces

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=259080

            Bug ID: 259080
           Summary: URL pathname and search setter incorrectly strips
                    trailing spaces
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: hello at lcas.dev

Test case:

```
const url = new URL('http://example.com/');
url.pathname = '/ ';
url.search = '? ';
url.hash = '# ';
console.log(url.href);
```

Implementations:

```
// whatwg-url at 13.0.0
"http://example.com/%20?%20#%20" ✅

// Chrome 117.0.5881.0
"http://example.com/%20?%20#%20" ✅

// Firefox 114.0.2
"http://example.com/%20?%20#%20" ✅

// Safari TP 171
"http://example.com/?#%20" ❌

// Deno 1.35.0
"http://example.com/?%20#%20" ❌

// node at 20.4.0
"http://example.com/%20?%20#%20" ✅
```

New tests in https://github.com/web-platform-tests/wpt/pull/40959

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