From eec3c3db88dff8ed429ca2f584138f252c60d4fe Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume.gomez@huawei.com>
Date: Fri, 19 Jul 2024 18:32:33 +0200
Subject: [PATCH] Add GUI test for trait bounds display

---
 tests/rustdoc-gui/src/test_docs/lib.rs   |  6 ++++
 tests/rustdoc-gui/trait-with-bounds.goml | 35 ++++++++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 tests/rustdoc-gui/trait-with-bounds.goml

diff --git a/tests/rustdoc-gui/src/test_docs/lib.rs b/tests/rustdoc-gui/src/test_docs/lib.rs
index 7e34178e56f03..6c638dc3b9d87 100644
--- a/tests/rustdoc-gui/src/test_docs/lib.rs
+++ b/tests/rustdoc-gui/src/test_docs/lib.rs
@@ -614,3 +614,9 @@ pub mod private {
         B,
     }
 }
+
+pub mod trait_bounds {
+    pub trait OneBound: Sized {}
+    pub trait TwoBounds: Sized + Copy {}
+    pub trait ThreeBounds: Sized + Copy + Eq {}
+}
diff --git a/tests/rustdoc-gui/trait-with-bounds.goml b/tests/rustdoc-gui/trait-with-bounds.goml
new file mode 100644
index 0000000000000..f076bdd47070d
--- /dev/null
+++ b/tests/rustdoc-gui/trait-with-bounds.goml
@@ -0,0 +1,35 @@
+// Check that if a trait has more than 2 bounds, they are displayed on different lines.
+
+// It tries to load a JS for each trait but there are none since they're not implemented.
+fail-on-request-error: false
+go-to: "file://" + |DOC_PATH| + "/test_docs/trait_bounds/trait.OneBound.html"
+// They should have the same Y position.
+compare-elements-position: (
+    ".item-decl code",
+    ".item-decl a.trait[title='trait core::marker::Sized']",
+    ["y"],
+)
+go-to: "file://" + |DOC_PATH| + "/test_docs/trait_bounds/trait.TwoBounds.html"
+// They should have the same Y position.
+compare-elements-position: (
+    ".item-decl code",
+    ".item-decl a.trait[title='trait core::marker::Copy']",
+    ["y"],
+)
+go-to: "file://" + |DOC_PATH| + "/test_docs/trait_bounds/trait.ThreeBounds.html"
+// All on their own line.
+compare-elements-position-false: (
+    ".item-decl code",
+    ".item-decl a.trait[title='trait core::marker::Sized']",
+    ["y"],
+)
+compare-elements-position-false: (
+    ".item-decl a.trait[title='trait core::marker::Sized']",
+    ".item-decl a.trait[title='trait core::marker::Copy']",
+    ["y"],
+)
+compare-elements-position-false: (
+    ".item-decl a.trait[title='trait core::marker::Copy']",
+    ".item-decl a.trait[title='trait core::cmp::Eq']",
+    ["y"],
+)