1 files changed, 74 insertions, 0 deletions
diff --git a/vendor/annotate-snippets/benches/simple.rs b/vendor/annotate-snippets/benches/simple.rs
new file mode 100644
index 000000000..4c13a8f00
--- /dev/null
+++ b/vendor/annotate-snippets/benches/simple.rs
@@ -0,0 +1,74 @@
+#![allow(clippy::unit_arg)]
+#[macro_use]
+extern crate criterion;
+
+use criterion::{black_box, Criterion};
+
+use annotate_snippets::{
+    display_list::{DisplayList, FormatOptions},
+    snippet::{Annotation, AnnotationType, Slice, Snippet, SourceAnnotation},
+};
+
+fn create_snippet() {
+    let snippet = Snippet {
+        slices: vec![Slice {
+            source: r#") -> Option<String> {
+    for ann in annotations {
+        match (ann.range.0, ann.range.1) {
+            (None, None) => continue,
+            (Some(start), Some(end)) if start > end_index => continue,
+            (Some(start), Some(end)) if start >= start_index => {
+                let label = if let Some(ref label) = ann.label {
+                    format!(" {}", label)
+                } else {
+                    String::from("")
+                };
+
+                return Some(format!(
+                    "{}{}{}",
+                    " ".repeat(start - start_index),
+                    "^".repeat(end - start),
+                    label
+                ));
+            }
+            _ => continue,
+        }
+    }"#,
+            line_start: 51,
+            origin: Some("src/format.rs"),
+            fold: false,
+            annotations: vec![
+                SourceAnnotation {
+                    label: "expected `Option<String>` because of return type",
+                    annotation_type: AnnotationType::Warning,
+                    range: (5, 19),
+                },
+                SourceAnnotation {
+                    label: "expected enum `std::option::Option`",
+                    annotation_type: AnnotationType::Error,
+                    range: (26, 724),
+                },
+            ],
+        }],
+        title: Some(Annotation {
+            label: Some("mismatched types"),
+            id: Some("E0308"),
+            annotation_type: AnnotationType::Error,
+        }),
+        footer: vec![],
+        opt: FormatOptions {
+            color: true,
+            ..Default::default()
+        },
+    };
+
+    let dl = DisplayList::from(snippet);
+    let _result = dl.to_string();
+}
+
+pub fn criterion_benchmark(c: &mut Criterion) {
+    c.bench_function("format", |b| b.iter(|| black_box(create_snippet())));
+}
+
+criterion_group!(benches, criterion_benchmark);
+criterion_main!(benches);