Add support for recoverable syntax errors

1 files changed, 70 insertions, 68 deletions

diff --git a/tests/html_text.rs b/tests/html_text.rs
index 988ebbc..8fdbbd2 100644
--- a/tests/html_text.rs
+++ b/tests/html_text.rs
@@ -3,7 +3,7 @@ use micromark::{micromark, micromark_with_options, Constructs, Options};
 use pretty_assertions::assert_eq;
 
 #[test]
-fn html_text() {
+fn html_text() -> Result<(), String> {
     let danger = Options {
         allow_dangerous_html: true,
         ..Options::default()
@@ -16,19 +16,19 @@ fn html_text() {
     );
 
     assert_eq!(
-        micromark_with_options("<a><bab><c2c>", &danger),
+        micromark_with_options("<a><bab><c2c>", &danger)?,
         "<p><a><bab><c2c></p>",
         "should support opening tags"
     );
 
     assert_eq!(
-        micromark_with_options("<a/><b2/>", &danger),
+        micromark_with_options("<a/><b2/>", &danger)?,
         "<p><a/><b2/></p>",
         "should support self-closing tags"
     );
 
     assert_eq!(
-        micromark_with_options("<a  /><b2\ndata=\"foo\" >", &danger),
+        micromark_with_options("<a  /><b2\ndata=\"foo\" >", &danger)?,
         "<p><a  /><b2\ndata=\"foo\" ></p>",
         "should support whitespace in tags"
     );
@@ -37,170 +37,170 @@ fn html_text() {
         micromark_with_options(
             "<a foo=\"bar\" bam = 'baz <em>\"</em>'\n_boolean zoop:33=zoop:33 />",
             &danger
-        ),
+        )?,
         "<p><a foo=\"bar\" bam = 'baz <em>\"</em>'\n_boolean zoop:33=zoop:33 /></p>",
         "should support attributes on tags"
     );
 
     assert_eq!(
-        micromark_with_options("Foo <responsive-image src=\"foo.jpg\" />", &danger),
+        micromark_with_options("Foo <responsive-image src=\"foo.jpg\" />", &danger)?,
         "<p>Foo <responsive-image src=\"foo.jpg\" /></p>",
         "should support non-html tags"
     );
 
     assert_eq!(
-        micromark_with_options("<33> <__>", &danger),
+        micromark_with_options("<33> <__>", &danger)?,
         "<p>&lt;33&gt; &lt;__&gt;</p>",
         "should not support nonconforming tag names"
     );
 
     assert_eq!(
-        micromark_with_options("<a h*#ref=\"hi\">", &danger),
+        micromark_with_options("<a h*#ref=\"hi\">", &danger)?,
         "<p>&lt;a h*#ref=&quot;hi&quot;&gt;</p>",
         "should not support nonconforming attribute names"
     );
 
     assert_eq!(
-        micromark_with_options("<a href=\"hi'> <a href=hi'>", &danger),
+        micromark_with_options("<a href=\"hi'> <a href=hi'>", &danger)?,
         "<p>&lt;a href=&quot;hi'&gt; &lt;a href=hi'&gt;</p>",
         "should not support nonconforming attribute values"
     );
 
     assert_eq!(
-        micromark_with_options("< a><\nfoo><bar/ >\n<foo bar=baz\nbim!bop />", &danger),
+        micromark_with_options("< a><\nfoo><bar/ >\n<foo bar=baz\nbim!bop />", &danger)?,
         "<p>&lt; a&gt;&lt;\nfoo&gt;&lt;bar/ &gt;\n&lt;foo bar=baz\nbim!bop /&gt;</p>",
         "should not support nonconforming whitespace"
     );
 
     assert_eq!(
-        micromark_with_options("<a href='bar'title=title>", &danger),
+        micromark_with_options("<a href='bar'title=title>", &danger)?,
         "<p>&lt;a href='bar'title=title&gt;</p>",
         "should not support missing whitespace"
     );
 
     assert_eq!(
-        micromark_with_options("</a></foo >", &danger),
+        micromark_with_options("</a></foo >", &danger)?,
         "<p></a></foo ></p>",
         "should support closing tags"
     );
 
     assert_eq!(
-        micromark_with_options("</a href=\"foo\">", &danger),
+        micromark_with_options("</a href=\"foo\">", &danger)?,
         "<p>&lt;/a href=&quot;foo&quot;&gt;</p>",
         "should not support closing tags w/ attributes"
     );
 
     assert_eq!(
-        micromark_with_options("foo <!-- this is a\ncomment - with hyphen -->", &danger),
+        micromark_with_options("foo <!-- this is a\ncomment - with hyphen -->", &danger)?,
         "<p>foo <!-- this is a\ncomment - with hyphen --></p>",
         "should support comments"
     );
 
     assert_eq!(
-        micromark_with_options("foo <!-- not a comment -- two hyphens -->", &danger),
+        micromark_with_options("foo <!-- not a comment -- two hyphens -->", &danger)?,
         "<p>foo &lt;!-- not a comment -- two hyphens --&gt;</p>",
         "should not support comments w/ two dashes inside"
     );
 
     assert_eq!(
-        micromark_with_options("foo <!--> foo -->", &danger),
+        micromark_with_options("foo <!--> foo -->", &danger)?,
         "<p>foo &lt;!--&gt; foo --&gt;</p>",
         "should not support nonconforming comments (1)"
     );
 
     assert_eq!(
-        micromark_with_options("foo <!-- foo--->", &danger),
+        micromark_with_options("foo <!-- foo--->", &danger)?,
         "<p>foo &lt;!-- foo---&gt;</p>",
         "should not support nonconforming comments (2)"
     );
 
     assert_eq!(
-        micromark_with_options("foo <?php echo $a; ?>", &danger),
+        micromark_with_options("foo <?php echo $a; ?>", &danger)?,
         "<p>foo <?php echo $a; ?></p>",
         "should support instructions"
     );
 
     assert_eq!(
-        micromark_with_options("foo <!ELEMENT br EMPTY>", &danger),
+        micromark_with_options("foo <!ELEMENT br EMPTY>", &danger)?,
         "<p>foo <!ELEMENT br EMPTY></p>",
         "should support declarations"
     );
 
     assert_eq!(
-        micromark_with_options("foo <![CDATA[>&<]]>", &danger),
+        micromark_with_options("foo <![CDATA[>&<]]>", &danger)?,
         "<p>foo <![CDATA[>&<]]></p>",
         "should support cdata"
     );
 
     assert_eq!(
-        micromark_with_options("foo <a href=\"&ouml;\">", &danger),
+        micromark_with_options("foo <a href=\"&ouml;\">", &danger)?,
         "<p>foo <a href=\"&ouml;\"></p>",
         "should support (ignore) character references"
     );
 
     assert_eq!(
-        micromark_with_options("foo <a href=\"\\*\">", &danger),
+        micromark_with_options("foo <a href=\"\\*\">", &danger)?,
         "<p>foo <a href=\"\\*\"></p>",
         "should not support character escapes (1)"
     );
 
     assert_eq!(
-        micromark_with_options("<a href=\"\\\"\">", &danger),
+        micromark_with_options("<a href=\"\\\"\">", &danger)?,
         "<p>&lt;a href=&quot;&quot;&quot;&gt;</p>",
         "should not support character escapes (2)"
     );
 
     // Extra:
     assert_eq!(
-        micromark_with_options("foo <!1>", &danger),
+        micromark_with_options("foo <!1>", &danger)?,
         "<p>foo &lt;!1&gt;</p>",
         "should not support non-comment, non-cdata, and non-named declaration"
     );
 
     assert_eq!(
-        micromark_with_options("foo <!-not enough!-->", &danger),
+        micromark_with_options("foo <!-not enough!-->", &danger)?,
         "<p>foo &lt;!-not enough!--&gt;</p>",
         "should not support comments w/ not enough dashes"
     );
 
     assert_eq!(
-        micromark_with_options("foo <!---ok-->", &danger),
+        micromark_with_options("foo <!---ok-->", &danger)?,
         "<p>foo <!---ok--></p>",
         "should support comments that start w/ a dash, if it’s not followed by a greater than"
     );
 
     assert_eq!(
-        micromark_with_options("foo <!--->", &danger),
+        micromark_with_options("foo <!--->", &danger)?,
         "<p>foo &lt;!---&gt;</p>",
         "should not support comments that start w/ `->`"
     );
 
     assert_eq!(
-        micromark_with_options("foo <!-- -> -->", &danger),
+        micromark_with_options("foo <!-- -> -->", &danger)?,
         "<p>foo <!-- -> --></p>",
         "should support `->` in a comment"
     );
 
     assert_eq!(
-        micromark_with_options("foo <!--", &danger),
+        micromark_with_options("foo <!--", &danger)?,
         "<p>foo &lt;!--</p>",
         "should not support eof in a comment (1)"
     );
 
     assert_eq!(
-        micromark_with_options("foo <!--a", &danger),
+        micromark_with_options("foo <!--a", &danger)?,
         "<p>foo &lt;!--a</p>",
         "should not support eof in a comment (2)"
     );
 
     assert_eq!(
-        micromark_with_options("foo <!--a-", &danger),
+        micromark_with_options("foo <!--a-", &danger)?,
         "<p>foo &lt;!--a-</p>",
         "should not support eof in a comment (3)"
     );
 
     assert_eq!(
-        micromark_with_options("foo <!--a--", &danger),
+        micromark_with_options("foo <!--a--", &danger)?,
         "<p>foo &lt;!--a--</p>",
         "should not support eof in a comment (4)"
     );
@@ -208,204 +208,204 @@ fn html_text() {
     // Note: cmjs parses this differently.
     // See: <https://github.com/commonmark/commonmark.js/issues/193>
     assert_eq!(
-        micromark_with_options("foo <![cdata[]]>", &danger),
+        micromark_with_options("foo <![cdata[]]>", &danger)?,
         "<p>foo &lt;![cdata[]]&gt;</p>",
         "should not support lowercase “cdata”"
     );
 
     assert_eq!(
-        micromark_with_options("foo <![CDATA", &danger),
+        micromark_with_options("foo <![CDATA", &danger)?,
         "<p>foo &lt;![CDATA</p>",
         "should not support eof in a CDATA (1)"
     );
 
     assert_eq!(
-        micromark_with_options("foo <![CDATA[", &danger),
+        micromark_with_options("foo <![CDATA[", &danger)?,
         "<p>foo &lt;![CDATA[</p>",
         "should not support eof in a CDATA (2)"
     );
 
     assert_eq!(
-        micromark_with_options("foo <![CDATA[]", &danger),
+        micromark_with_options("foo <![CDATA[]", &danger)?,
         "<p>foo &lt;![CDATA[]</p>",
         "should not support eof in a CDATA (3)"
     );
 
     assert_eq!(
-        micromark_with_options("foo <![CDATA[]]", &danger),
+        micromark_with_options("foo <![CDATA[]]", &danger)?,
         "<p>foo &lt;![CDATA[]]</p>",
         "should not support eof in a CDATA (4)"
     );
 
     assert_eq!(
-        micromark_with_options("foo <![CDATA[asd", &danger),
+        micromark_with_options("foo <![CDATA[asd", &danger)?,
         "<p>foo &lt;![CDATA[asd</p>",
         "should not support eof in a CDATA (5)"
     );
 
     assert_eq!(
-        micromark_with_options("foo <![CDATA[]]]]>", &danger),
+        micromark_with_options("foo <![CDATA[]]]]>", &danger)?,
         "<p>foo <![CDATA[]]]]></p>",
         "should support end-like constructs in CDATA"
     );
 
     assert_eq!(
-        micromark_with_options("foo <!doctype", &danger),
+        micromark_with_options("foo <!doctype", &danger)?,
         "<p>foo &lt;!doctype</p>",
         "should not support eof in declarations"
     );
 
     assert_eq!(
-        micromark_with_options("foo <?php", &danger),
+        micromark_with_options("foo <?php", &danger)?,
         "<p>foo &lt;?php</p>",
         "should not support eof in instructions (1)"
     );
 
     assert_eq!(
-        micromark_with_options("foo <?php?", &danger),
+        micromark_with_options("foo <?php?", &danger)?,
         "<p>foo &lt;?php?</p>",
         "should not support eof in instructions (2)"
     );
 
     assert_eq!(
-        micromark_with_options("foo <???>", &danger),
+        micromark_with_options("foo <???>", &danger)?,
         "<p>foo <???></p>",
         "should support question marks in instructions"
     );
 
     assert_eq!(
-        micromark_with_options("foo </3>", &danger),
+        micromark_with_options("foo </3>", &danger)?,
         "<p>foo &lt;/3&gt;</p>",
         "should not support closing tags that don’t start w/ alphas"
     );
 
     assert_eq!(
-        micromark_with_options("foo </a->", &danger),
+        micromark_with_options("foo </a->", &danger)?,
         "<p>foo </a-></p>",
         "should support dashes in closing tags"
     );
 
     assert_eq!(
-        micromark_with_options("foo </a   >", &danger),
+        micromark_with_options("foo </a   >", &danger)?,
         "<p>foo </a   ></p>",
         "should support whitespace after closing tag names"
     );
 
     assert_eq!(
-        micromark_with_options("foo </a!>", &danger),
+        micromark_with_options("foo </a!>", &danger)?,
         "<p>foo &lt;/a!&gt;</p>",
         "should not support other characters after closing tag names"
     );
 
     assert_eq!(
-        micromark_with_options("foo <a->", &danger),
+        micromark_with_options("foo <a->", &danger)?,
         "<p>foo <a-></p>",
         "should support dashes in opening tags"
     );
 
     assert_eq!(
-        micromark_with_options("foo <a   >", &danger),
+        micromark_with_options("foo <a   >", &danger)?,
         "<p>foo <a   ></p>",
         "should support whitespace after opening tag names"
     );
 
     assert_eq!(
-        micromark_with_options("foo <a!>", &danger),
+        micromark_with_options("foo <a!>", &danger)?,
         "<p>foo &lt;a!&gt;</p>",
         "should not support other characters after opening tag names"
     );
 
     assert_eq!(
-        micromark_with_options("foo <a !>", &danger),
+        micromark_with_options("foo <a !>", &danger)?,
         "<p>foo &lt;a !&gt;</p>",
         "should not support other characters in opening tags (1)"
     );
 
     assert_eq!(
-        micromark_with_options("foo <a b!>", &danger),
+        micromark_with_options("foo <a b!>", &danger)?,
         "<p>foo &lt;a b!&gt;</p>",
         "should not support other characters in opening tags (2)"
     );
 
     assert_eq!(
-        micromark_with_options("foo <a b/>", &danger),
+        micromark_with_options("foo <a b/>", &danger)?,
         "<p>foo <a b/></p>",
         "should support a self-closing slash after an attribute name"
     );
 
     assert_eq!(
-        micromark_with_options("foo <a b>", &danger),
+        micromark_with_options("foo <a b>", &danger)?,
         "<p>foo <a b></p>",
         "should support a greater than after an attribute name"
     );
 
     assert_eq!(
-        micromark_with_options("foo <a b=<>", &danger),
+        micromark_with_options("foo <a b=<>", &danger)?,
         "<p>foo &lt;a b=&lt;&gt;</p>",
         "should not support less than to start an unquoted attribute value"
     );
 
     assert_eq!(
-        micromark_with_options("foo <a b=>>", &danger),
+        micromark_with_options("foo <a b=>>", &danger)?,
         "<p>foo &lt;a b=&gt;&gt;</p>",
         "should not support greater than to start an unquoted attribute value"
     );
 
     assert_eq!(
-        micromark_with_options("foo <a b==>", &danger),
+        micromark_with_options("foo <a b==>", &danger)?,
         "<p>foo &lt;a b==&gt;</p>",
         "should not support equals to to start an unquoted attribute value"
     );
 
     assert_eq!(
-        micromark_with_options("foo <a b=`>", &danger),
+        micromark_with_options("foo <a b=`>", &danger)?,
         "<p>foo &lt;a b=`&gt;</p>",
         "should not support grave accent to start an unquoted attribute value"
     );
 
     assert_eq!(
-        micromark_with_options("foo <a b=\"asd", &danger),
+        micromark_with_options("foo <a b=\"asd", &danger)?,
         "<p>foo &lt;a b=&quot;asd</p>",
         "should not support eof in double quoted attribute value"
     );
 
     assert_eq!(
-        micromark_with_options("foo <a b='asd", &danger),
+        micromark_with_options("foo <a b='asd", &danger)?,
         "<p>foo &lt;a b='asd</p>",
         "should not support eof in single quoted attribute value"
     );
 
     assert_eq!(
-        micromark_with_options("foo <a b=asd", &danger),
+        micromark_with_options("foo <a b=asd", &danger)?,
         "<p>foo &lt;a b=asd</p>",
         "should not support eof in unquoted attribute value"
     );
 
     assert_eq!(
-        micromark_with_options("foo <a b=\nasd>", &danger),
+        micromark_with_options("foo <a b=\nasd>", &danger)?,
         "<p>foo <a b=\nasd></p>",
         "should support an eol before an attribute value"
     );
 
     assert_eq!(
-micromark_with_options("<x> a", &danger),
+micromark_with_options("<x> a", &danger)?,
 "<p><x> a</p>",
 "should support starting a line w/ a tag if followed by anything other than an eol (after optional space/tabs)"
 );
 
     assert_eq!(
-        micromark_with_options("<span foo=", &danger),
+        micromark_with_options("<span foo=", &danger)?,
         "<p>&lt;span foo=</p>",
         "should support an EOF before an attribute value"
     );
 
     assert_eq!(
-        micromark_with_options("a <!b\nc>", &danger),
+        micromark_with_options("a <!b\nc>", &danger)?,
         "<p>a <!b\nc></p>",
         "should support an EOL in a declaration"
     );
     assert_eq!(
-        micromark_with_options("a <![CDATA[\n]]>", &danger),
+        micromark_with_options("a <![CDATA[\n]]>", &danger)?,
         "<p>a <![CDATA[\n]]></p>",
         "should support an EOL in cdata"
     );
@@ -413,7 +413,7 @@ micromark_with_options("<x> a", &danger),
     // Note: cmjs parses this differently.
     // See: <https://github.com/commonmark/commonmark.js/issues/196>
     assert_eq!(
-        micromark_with_options("a <?\n?>", &danger),
+        micromark_with_options("a <?\n?>", &danger)?,
         "<p>a <?\n?></p>",
         "should support an EOL in an instruction"
     );
@@ -428,8 +428,10 @@ micromark_with_options("<x> a", &danger),
                 },
                 ..Options::default()
             }
-        ),
+        )?,
         "<p>a &lt;x&gt;</p>",
         "should support turning off html (text)"
     );
+
+    Ok(())
 }