From ac338b77b658f0a3a645c96110320f8a9ae7f0ee Mon Sep 17 00:00:00 2001
From: Martin Fischer <martin@push-f.com>
Date: Wed, 30 Aug 2023 08:36:32 +0200
Subject: test: verify too small char ref error spans

---
 tests/test_spans.rs | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)

diff --git a/tests/test_spans.rs b/tests/test_spans.rs
index 0956f8e..f22a2aa 100644
--- a/tests/test_spans.rs
+++ b/tests/test_spans.rs
@@ -244,6 +244,24 @@ fn tests_for_errors_are_sorted() {
     assert_eq!(error_tests_found_order, error_tests_sorted);
 }
 
+#[test]
+fn error_char_ref_absence_of_digits() {
+    let html = "&#qux;";
+    assert_snapshot!(annotate_errors(html), @r###"
+    &#qux;
+      ^ absence-of-digits-in-numeric-character-reference
+    "###);
+}
+
+#[test]
+fn error_char_ref_control_char() {
+    let html = "&#127;";
+    assert_snapshot!(annotate_errors(html), @r###"
+    &#127;
+         ^ control-character-reference
+    "###);
+}
+
 #[test]
 fn error_char_ref_missing_semicolon() {
     let html = "&not";
@@ -253,6 +271,42 @@ fn error_char_ref_missing_semicolon() {
     "###);
 }
 
+#[test]
+fn error_char_ref_noncharacter() {
+    let html = "&#xFDD0;";
+    assert_snapshot!(annotate_errors(html), @r###"
+    &#xFDD0;
+           ^ noncharacter-character-reference
+    "###);
+}
+
+#[test]
+fn error_char_ref_null_char() {
+    let html = "&#0;";
+    assert_snapshot!(annotate_errors(html), @r###"
+    &#0;
+       ^ null-character-reference
+    "###);
+}
+
+#[test]
+fn error_char_ref_outside_unicode_range() {
+    let html = "&#9999999;";
+    assert_snapshot!(annotate_errors(html), @r###"
+    &#9999999;
+             ^ character-reference-outside-unicode-range
+    "###);
+}
+
+#[test]
+fn error_char_ref_surrogate() {
+    let html = "&#xD800;";
+    assert_snapshot!(annotate_errors(html), @r###"
+    &#xD800;
+           ^ surrogate-character-reference
+    "###);
+}
+
 #[test]
 fn error_char_ref_unknown_named() {
     let html = "The pirate says &arrrrr;";
-- 
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