Fix tests for rustc 1.56

ui-tests/Cargo.toml

@@ -6,4 +6,5 @@ publish = false
 
 [dependencies]
 markup = { path = "../markup" }
+rustc_version = "0.4.0"
 trybuild = "1.0.85"

ui-tests/fail-1.56/not-render.stderr

@@ -0,0 +1,25 @@
+error[E0277]: the trait bound `NotRender: RenderAttributeValue` is not satisfied
+ --> fail-1.56/not-render.rs:6:26
+  |
+6 |         html["attr-user"=name] {
+  |                          ^^^^ the trait `RenderAttributeValue` is not implemented for `NotRender`
+  |
+  = note: required because of the requirements on the impl of `RenderAttributeValue` for `&NotRender`
+note: required by `is_none`
+ --> $WORKSPACE/markup/src/lib.rs
+  |
+  |     fn is_none(&self) -> bool {
+  |     ^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error[E0277]: the trait bound `NotRender: Render` is not satisfied
+ --> fail-1.56/not-render.rs:8:36
+  |
+8 |                 strong { "Hello " @name "!" }
+  |                                    ^^^^ the trait `Render` is not implemented for `NotRender`
+  |
+  = note: required because of the requirements on the impl of `Render` for `&NotRender`
+note: required by a bound in `render`
+ --> $WORKSPACE/markup/src/lib.rs
+  |
+  |     fn render(&self, writer: &mut impl std::fmt::Write) -> std::fmt::Result;
+  |                                   ^^^^^^^^^^^^^^^^^^^^ required by this bound in `render`

ui-tests/fail-1.72/not-render.rs

@@ -0,0 +1,16 @@
+struct NotRender;
+
+markup::define! {
+    Layout(name: NotRender) {
+        @markup::doctype()
+        html["attr-user"=name] {
+            body {
+                strong { "Hello " @name "!" }
+            }
+        }
+    }
+}
+
+fn main() {
+
+}

ui-tests/fail/not-render.stderr → ui-tests/fail-1.72/not-render.stderr

@@ -1,5 +1,5 @@
 error[E0277]: the trait bound `NotRender: RenderAttributeValue` is not satisfied
- --> fail/not-render.rs:6:26
+ --> fail-1.72/not-render.rs:6:26
   |
 6 |         html["attr-user"=name] {
   |                          ^^^^ the trait `RenderAttributeValue` is not implemented for `NotRender`
@@ -17,7 +17,7 @@ error[E0277]: the trait bound `NotRender: RenderAttributeValue` is not satisfied
   = note: required for `&NotRender` to implement `RenderAttributeValue`
 
 error[E0277]: the trait bound `NotRender: Render` is not satisfied
- --> fail/not-render.rs:8:36
+ --> fail-1.72/not-render.rs:8:36
   |
 8 |                 strong { "Hello " @name "!" }
   |                                    ^^^^ the trait `Render` is not implemented for `NotRender`

ui-tests/src/lib.rs

@@ -1,5 +1,12 @@
 #[test]
 fn ui() {
+    let version = rustc_version::version().unwrap();
+    assert_eq!(version.major, 1);
+
     let fail = trybuild::TestCases::new();
-    fail.compile_fail("fail/*.rs");
+    if version.minor <= 56 {
+        fail.compile_fail("fail-1.56/*.rs");
+    } else {
+        fail.compile_fail("fail-1.72/*.rs");
+    }
 }