From c3fcfa82728cb55b8e4dc6e2c8492d0ed79e174a Mon Sep 17 00:00:00 2001
From: Nixon Enraght-Moony <nixon.emoony@gmail.com>
Date: Sun, 11 Sep 2022 20:32:47 +0100
Subject: [PATCH] Rustdoc-Json: Add tests for trait impls.

---
 .../impls/auxiliary/foreign_struct.rs         |  1 +
 .../impls/auxiliary/foreign_trait.rs          |  1 +
 .../rustdoc-json/impls/foreign_for_local.rs   | 18 ++++++++++++++++
 .../rustdoc-json/impls/local_for_foreign.rs   | 18 ++++++++++++++++
 .../rustdoc-json/impls/local_for_local.rs     | 15 +++++++++++++
 .../impls/local_for_local_primitive.rs        | 21 +++++++++++++++++++
 .../rustdoc-json/impls/local_for_primitive.rs |  7 +++++++
 7 files changed, 81 insertions(+)
 create mode 100644 src/test/rustdoc-json/impls/auxiliary/foreign_struct.rs
 create mode 100644 src/test/rustdoc-json/impls/auxiliary/foreign_trait.rs
 create mode 100644 src/test/rustdoc-json/impls/foreign_for_local.rs
 create mode 100644 src/test/rustdoc-json/impls/local_for_foreign.rs
 create mode 100644 src/test/rustdoc-json/impls/local_for_local.rs
 create mode 100644 src/test/rustdoc-json/impls/local_for_local_primitive.rs
 create mode 100644 src/test/rustdoc-json/impls/local_for_primitive.rs

diff --git a/src/test/rustdoc-json/impls/auxiliary/foreign_struct.rs b/src/test/rustdoc-json/impls/auxiliary/foreign_struct.rs
new file mode 100644
index 0000000000000..832d0fce59909
--- /dev/null
+++ b/src/test/rustdoc-json/impls/auxiliary/foreign_struct.rs
@@ -0,0 +1 @@
+pub struct ForeignStruct;
diff --git a/src/test/rustdoc-json/impls/auxiliary/foreign_trait.rs b/src/test/rustdoc-json/impls/auxiliary/foreign_trait.rs
new file mode 100644
index 0000000000000..2c81bee61282e
--- /dev/null
+++ b/src/test/rustdoc-json/impls/auxiliary/foreign_trait.rs
@@ -0,0 +1 @@
+pub trait ForeignTrait {}
diff --git a/src/test/rustdoc-json/impls/foreign_for_local.rs b/src/test/rustdoc-json/impls/foreign_for_local.rs
new file mode 100644
index 0000000000000..290c2d571e874
--- /dev/null
+++ b/src/test/rustdoc-json/impls/foreign_for_local.rs
@@ -0,0 +1,18 @@
+// aux-build: foreign_trait.rs
+extern crate foreign_trait;
+
+/// ForeignTrait id hack
+pub use foreign_trait::ForeignTrait as _;
+// @set ForeignTrait = "$.index[*][?(@.docs=='ForeignTrait id hack')].inner.id"
+
+pub struct LocalStruct;
+// @set LocalStruct = "$.index[*][?(@.name=='LocalStruct')].id"
+
+/// foreign for local
+impl foreign_trait::ForeignTrait for LocalStruct {}
+
+// @set impl = "$.index[*][?(@.docs=='foreign for local')].id"
+// @is "$.index[*][?(@.docs=='foreign for local')].inner.for.inner.id" $LocalStruct
+// @is "$.index[*][?(@.docs=='foreign for local')].inner.trait.id" $ForeignTrait
+
+// @has "$.index[*][?(@.name=='LocalStruct')].inner.impls[*]" $impl
diff --git a/src/test/rustdoc-json/impls/local_for_foreign.rs b/src/test/rustdoc-json/impls/local_for_foreign.rs
new file mode 100644
index 0000000000000..74f2f08b5a42f
--- /dev/null
+++ b/src/test/rustdoc-json/impls/local_for_foreign.rs
@@ -0,0 +1,18 @@
+// aux-build: foreign_struct.rs
+extern crate foreign_struct;
+
+/// ForeignStruct id hack
+pub use foreign_struct::ForeignStruct as _;
+// @set ForeignStruct = "$.index[*][?(@.docs=='ForeignStruct id hack')].inner.id"
+
+pub trait LocalTrait {}
+// @set LocalTrait = "$.index[*][?(@.name=='LocalTrait')].id"
+
+/// local for foreign
+impl LocalTrait for foreign_struct::ForeignStruct {}
+
+// @set impl = "$.index[*][?(@.docs=='local for foreign')].id"
+// @is "$.index[*][?(@.docs=='local for foreign')].inner.trait.id" $LocalTrait
+// @is "$.index[*][?(@.docs=='local for foreign')].inner.for.inner.id" $ForeignStruct
+
+// @is "$.index[*][?(@.name=='LocalTrait')].inner.implementations[*]" $impl
diff --git a/src/test/rustdoc-json/impls/local_for_local.rs b/src/test/rustdoc-json/impls/local_for_local.rs
new file mode 100644
index 0000000000000..93dedb7ec92d2
--- /dev/null
+++ b/src/test/rustdoc-json/impls/local_for_local.rs
@@ -0,0 +1,15 @@
+#![feature(no_core)]
+#![no_core]
+
+// @set struct = "$.index[*][?(@.name=='Struct')].id"
+pub struct Struct;
+// @set trait = "$.index[*][?(@.name=='Trait')].id"
+pub trait Trait {}
+// @set impl = "$.index[*][?(@.docs=='impl')].id"
+/// impl
+impl Trait for Struct {}
+
+// @is "$.index[*][?(@.name=='Struct')].inner.impls[*]" $impl
+// @is "$.index[*][?(@.name=='Trait')].inner.implementations[*]" $impl
+// @is "$.index[*][?(@.docs=='impl')].inner.trait.id" $trait
+// @is "$.index[*][?(@.docs=='impl')].inner.for.inner.id" $struct
diff --git a/src/test/rustdoc-json/impls/local_for_local_primitive.rs b/src/test/rustdoc-json/impls/local_for_local_primitive.rs
new file mode 100644
index 0000000000000..38e7e2658dfd5
--- /dev/null
+++ b/src/test/rustdoc-json/impls/local_for_local_primitive.rs
@@ -0,0 +1,21 @@
+#![feature(no_core)]
+#![feature(rustdoc_internals)]
+#![no_core]
+
+// @set Local = "$.index[*][?(@.name=='Local')].id"
+pub trait Local {}
+
+// @is "$.index[*][?(@.docs=='Local for bool')].inner.trait.id" $Local
+// @is "$.index[*][?(@.docs=='Local for bool')].inner.for.kind" '"primitive"'
+// @is "$.index[*][?(@.docs=='Local for bool')].inner.for.inner" '"bool"'
+/// Local for bool
+impl Local for bool {}
+
+// @set impl =  "$.index[*][?(@.docs=='Local for bool')].id"
+// @is "$.index[*][?(@.name=='Local')].inner.implementations[*]" $impl
+
+// FIXME(#101695): Test bool's `impls` include "Local for bool"
+// @has "$.index[*][?(@.name=='bool')]"
+#[doc(primitive = "bool")]
+/// Boolean docs
+mod prim_bool {}
diff --git a/src/test/rustdoc-json/impls/local_for_primitive.rs b/src/test/rustdoc-json/impls/local_for_primitive.rs
new file mode 100644
index 0000000000000..7702a526fd844
--- /dev/null
+++ b/src/test/rustdoc-json/impls/local_for_primitive.rs
@@ -0,0 +1,7 @@
+// @set local = "$.index[*][?(@.name=='Local')]"
+pub trait Local {}
+
+// @set impl = "$.index[*][?(@.docs=='local for bool')].id"
+// @is "$.index[*][?(@.name=='Local')].inner.implementations[*]" $impl
+/// local for bool
+impl Local for bool {}