Add tests

Author: MDLC01

tests/src/world.rs

@@ -20,6 +20,7 @@ use typst::text::{Font, FontBook, TextElem, TextSize};
 use typst::utils::{singleton, LazyHash};
 use typst::visualize::Color;
 use typst::{Feature, Library, World};
+use typst_library::foundations::{Module, Scope};
 
 /// A world that provides access to the tests environment.
 #[derive(Clone)]
@@ -196,6 +197,14 @@ fn library() -> Library {
         .scope_mut()
         .define("forest", Color::from_u8(0x43, 0xA1, 0x27, 0xFF));
 
+    let mut contains_deprecated = Module::new("contains-deprecated", Scope::new());
+    contains_deprecated.scope_mut().define_deprecated(
+        "deprecated",
+        NoneValue,
+        "this is deprecated",
+    );
+    lib.global.scope_mut().define_module(contains_deprecated);
+
     // Hook up default styles.
     lib.styles
         .set(PageElem::set_width(Smart::Custom(Abs::pt(120.0).into())));

tests/suite/scripting/deprecation.typ

@@ -0,0 +1,27 @@
+// Test deprecation warnings.
+
+// `contains-deprecated` is a module defined
+// for tests, which contains a single value:
+// `deprecated`, which is deprecated.
+
+--- use-deprecated ---
+#import contains-deprecated: deprecated
+// Warning: 2-12 this is deprecated
+#deprecated
+
+--- use-deprecated-wildcard ---
+#import contains-deprecated: *
+// Warning: 2-12 this is deprecated
+#deprecated
+
+--- use-deprecated-field ---
+#import contains-deprecated
+// Warning: 22-32 this is deprecated
+#contains-deprecated.deprecated
+
+--- no-deprecation-warning-emitted-for-binding ---
+#import contains-deprecated
+// Warning: 30-40 this is deprecated
+#let d = contains-deprecated.deprecated
+// No warning here.
+#d