From bd59fc603f57f9cf9f8bae4ddfdf79a883129e76 Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume.gomez@huawei.com>
Date: Tue, 10 Oct 2023 16:55:39 +0200
Subject: [PATCH] Add tests for enum discriminant value display with `repr`

---
 tests/rustdoc/auxiliary/enum-variant.rs | 24 ++++++++
 tests/rustdoc/enum-variant-value.rs     | 74 +++++++++++++++++++++++++
 2 files changed, 98 insertions(+)

diff --git a/tests/rustdoc/auxiliary/enum-variant.rs b/tests/rustdoc/auxiliary/enum-variant.rs
index 90c71b86329..a0a7fd894f9 100644
--- a/tests/rustdoc/auxiliary/enum-variant.rs
+++ b/tests/rustdoc/auxiliary/enum-variant.rs
@@ -22,3 +22,27 @@ pub enum H {
     A,
     C(u32),
 }
+
+#[repr(C)]
+pub enum N {
+    A,
+    B,
+}
+
+#[repr(C)]
+pub enum O {
+    A(u32),
+    B,
+}
+
+#[repr(u32)]
+pub enum P {
+    A,
+    B,
+}
+
+#[repr(u32)]
+pub enum Q {
+    A(u32),
+    B,
+}
diff --git a/tests/rustdoc/enum-variant-value.rs b/tests/rustdoc/enum-variant-value.rs
index c306736bfe9..096f8cd4122 100644
--- a/tests/rustdoc/enum-variant-value.rs
+++ b/tests/rustdoc/enum-variant-value.rs
@@ -115,3 +115,77 @@ pub enum I {
     C = Self::B as isize + X + 3,
     D = -1,
 }
+
+// Testing `repr`.
+
+// @has 'foo/enum.J.html'
+// @has - '//*[@class="rust item-decl"]/code' 'A = 0,'
+// @has - '//*[@class="rust item-decl"]/code' 'B = 1,'
+// @matches - '//*[@id="variant.A"]/h3' '^A = 0$'
+// @matches - '//*[@id="variant.B"]/h3' '^B = 1$'
+#[repr(C)]
+pub enum J {
+    A,
+    B,
+}
+
+// @has 'foo/enum.K.html'
+// @has - '//*[@class="rust item-decl"]/code' 'A(u32),'
+// @has - '//*[@class="rust item-decl"]/code' 'B,'
+// @has - '//*[@id="variant.A"]/h3' 'A(u32)'
+// @matches - '//*[@id="variant.B"]/h3' '^B$'
+#[repr(C)]
+pub enum K {
+    A(u32),
+    B,
+}
+
+// @has 'foo/enum.L.html'
+// @has - '//*[@class="rust item-decl"]/code' 'A = 0,'
+// @has - '//*[@class="rust item-decl"]/code' 'B = 1,'
+// @matches - '//*[@id="variant.A"]/h3' '^A = 0$'
+// @matches - '//*[@id="variant.B"]/h3' '^B = 1$'
+#[repr(u32)]
+pub enum L {
+    A,
+    B,
+}
+
+// @has 'foo/enum.M.html'
+// @has - '//*[@class="rust item-decl"]/code' 'A(u32),'
+// @has - '//*[@class="rust item-decl"]/code' 'B,'
+// @has - '//*[@id="variant.A"]/h3' 'A(u32)'
+// @matches - '//*[@id="variant.B"]/h3' '^B$'
+#[repr(u32)]
+pub enum M {
+    A(u32),
+    B,
+}
+
+// @has 'foo/enum.N.html'
+// @has - '//*[@class="rust item-decl"]/code' 'A = 0,'
+// @has - '//*[@class="rust item-decl"]/code' 'B = 1,'
+// @matches - '//*[@id="variant.A"]/h3' '^A = 0$'
+// @matches - '//*[@id="variant.B"]/h3' '^B = 1$'
+pub use bar::N;
+
+// @has 'foo/enum.O.html'
+// @has - '//*[@class="rust item-decl"]/code' 'A(u32),'
+// @has - '//*[@class="rust item-decl"]/code' 'B,'
+// @has - '//*[@id="variant.A"]/h3' 'A(u32)'
+// @matches - '//*[@id="variant.B"]/h3' '^B$'
+pub use bar::O;
+
+// @has 'foo/enum.P.html'
+// @has - '//*[@class="rust item-decl"]/code' 'A = 0,'
+// @has - '//*[@class="rust item-decl"]/code' 'B = 1,'
+// @matches - '//*[@id="variant.A"]/h3' '^A = 0$'
+// @matches - '//*[@id="variant.B"]/h3' '^B = 1$'
+pub use bar::P;
+
+// @has 'foo/enum.Q.html'
+// @has - '//*[@class="rust item-decl"]/code' 'A(u32),'
+// @has - '//*[@class="rust item-decl"]/code' 'B,'
+// @has - '//*[@id="variant.A"]/h3' 'A(u32)'
+// @matches - '//*[@id="variant.B"]/h3' '^B$'
+pub use bar::Q;