Add tests for character escape

1 files changed, 91 insertions, 0 deletions

diff --git a/tests/character_escape.rs b/tests/character_escape.rs
new file mode 100644
index 0000000..5fdc445
--- /dev/null
+++ b/tests/character_escape.rs
@@ -0,0 +1,91 @@
+extern crate micromark;
+use micromark::{micromark, micromark_with_options, CompileOptions};
+
+const DANGER: &CompileOptions = &CompileOptions {
+    allow_dangerous_html: true,
+    allow_dangerous_protocol: true,
+};
+
+#[test]
+fn character_escape() {
+    assert_eq!(
+        micromark(
+        "\\!\\\"\\#\\$\\%\\&\\'\\(\\)\\*\\+\\,\\-\\.\\/\\:\\;\\<\\=\\>\\?\\@\\[\\\\\\]\\^\\_\\`\\{\\|\\}\\~"
+        ),
+        "<p>!&quot;#$%&amp;'()*+,-./:;&lt;=&gt;?@[\\]^_`{|}~</p>",
+        "should support escaped ascii punctuation"
+    );
+
+    assert_eq!(
+        micromark("\\→\\A\\a\\ \\3\\φ\\«"),
+        "<p>\\→\\A\\a\\ \\3\\φ\\«</p>",
+        "should not support other characters after a backslash"
+    );
+
+    assert_eq!(
+        micromark(
+        "\\*not emphasized*\n\\<br/> not a tag\n\\[not a link](/foo)\n\\`not code`\n1\\. not a list\n\\* not a list\n\\# not a heading\n\\[foo]: /url \"not a reference\"\n\\&ouml; not a character entity"
+        ),
+        "<p>*not emphasized*\n&lt;br/&gt; not a tag\n[not a link](/foo)\n`not code`\n1. not a list\n* not a list\n# not a heading\n[foo]: /url &quot;not a reference&quot;\n&amp;ouml; not a character entity</p>",
+        "should escape other constructs"
+    );
+
+    // To do: hard break.
+    // assert_eq!(
+    //     micromark("foo\\\nbar"),
+    //     "<p>foo<br />\nbar</p>",
+    //     "should escape a line break"
+    // );
+
+    // To do: code (text).
+    // assert_eq!(
+    //     micromark("`` \\[\\` ``"),
+    //     "<p><code>\\[\\`</code></p>",
+    //     "should not escape in text code"
+    // );
+
+    assert_eq!(
+        micromark("    \\[\\]"),
+        "<pre><code>\\[\\]\n</code></pre>",
+        "should not escape in indented code"
+    );
+
+    assert_eq!(
+        micromark("<http://example.com?find=\\*>"),
+        "<p><a href=\"http://example.com?find=%5C*\">http://example.com?find=\\*</a></p>",
+        "should not escape in autolink"
+    );
+
+    assert_eq!(
+        micromark_with_options("<a href=\"/bar\\/)\">", DANGER),
+        "<a href=\"/bar\\/)\">",
+        "should not escape in flow html"
+    );
+
+    // To do: link (reference).
+    // assert_eq!(
+    //     micromark("[foo](/bar\\* \"ti\\*tle\")"),
+    //     "<p><a href=\"/bar*\" title=\"ti*tle\">foo</a></p>",
+    //     "should escape in resource and title"
+    // );
+
+    // To do: definition.
+    // assert_eq!(
+    //     micromark("[foo]: /bar\\* \"ti\\*tle\"\n\n[foo]"),
+    //     "<p><a href=\"/bar*\" title=\"ti*tle\">foo</a></p>",
+    //     "should escape in definition resource and title"
+    // );
+
+    assert_eq!(
+        micromark("``` foo\\+bar\nfoo\n```"),
+        "<pre><code class=\"language-foo+bar\">foo\n</code></pre>",
+        "should escape in fenced code info"
+    );
+
+    //   // To do: extensions
+    //   assert_eq!(
+    //     micromark("\\> a", {extensions: [{disable: {null: ["characterEscape"]}}]}),
+    //     "<p>\\&gt; a</p>",
+    //     "should support turning off character escapes"
+    //   );
+}