1 files changed, 181 insertions, 0 deletions
diff --git a/tests/thematic_break.rs b/tests/thematic_break.rs
new file mode 100644
index 0000000..833fa6f
--- /dev/null
+++ b/tests/thematic_break.rs
@@ -0,0 +1,181 @@
+extern crate micromark;
+use micromark::micromark;
+
+#[test]
+fn thematic_break() {
+    assert_eq!(
+        micromark("***\n---\n___"),
+        "<hr />\n<hr />\n<hr />",
+        "should support thematic breaks w/ asterisks, dashes, and underscores"
+    );
+
+    assert_eq!(
+        micromark("+++"),
+        "<p>+++</p>",
+        "should not support thematic breaks w/ plusses"
+    );
+
+    assert_eq!(
+        micromark("==="),
+        "<p>===</p>",
+        "should not support thematic breaks w/ equals"
+    );
+
+    assert_eq!(
+        micromark("--"),
+        "<p>--</p>",
+        "should not support thematic breaks w/ two dashes"
+    );
+
+    assert_eq!(
+        micromark("**"),
+        "<p>**</p>",
+        "should not support thematic breaks w/ two asterisks"
+    );
+
+    assert_eq!(
+        micromark("__"),
+        "<p>__</p>",
+        "should not support thematic breaks w/ two underscores"
+    );
+
+    assert_eq!(
+        micromark(" ***"),
+        "<hr />",
+        "should support thematic breaks w/ 1 space"
+    );
+
+    assert_eq!(
+        micromark("  ***"),
+        "<hr />",
+        "should support thematic breaks w/ 2 spaces"
+    );
+
+    assert_eq!(
+        micromark("   ***"),
+        "<hr />",
+        "should support thematic breaks w/ 3 spaces"
+    );
+
+    assert_eq!(
+        micromark("    ***"),
+        "<pre><code>***\n</code></pre>",
+        "should not support thematic breaks w/ 4 spaces"
+    );
+
+    // To do: paragraphs.
+    // assert_eq!(
+    //     micromark("Foo\n    ***"),
+    //     "<p>Foo\n***</p>",
+    //     "should not support thematic breaks w/ 4 spaces as paragraph continuation"
+    // );
+
+    assert_eq!(
+        micromark("_____________________________________"),
+        "<hr />",
+        "should support thematic breaks w/ many markers"
+    );
+
+    assert_eq!(
+        micromark(" - - -"),
+        "<hr />",
+        "should support thematic breaks w/ spaces (1)"
+    );
+
+    assert_eq!(
+        micromark(" **  * ** * ** * **"),
+        "<hr />",
+        "should support thematic breaks w/ spaces (2)"
+    );
+
+    assert_eq!(
+        micromark("-     -      -      -"),
+        "<hr />",
+        "should support thematic breaks w/ spaces (3)"
+    );
+
+    assert_eq!(
+        micromark("- - - -    "),
+        "<hr />",
+        "should support thematic breaks w/ trailing spaces"
+    );
+
+    assert_eq!(
+        micromark("_ _ _ _ a"),
+        "<p>_ _ _ _ a</p>",
+        "should not support thematic breaks w/ other characters (1)"
+    );
+
+    assert_eq!(
+        micromark("a------"),
+        "<p>a------</p>",
+        "should not support thematic breaks w/ other characters (2)"
+    );
+
+    assert_eq!(
+        micromark("---a---"),
+        "<p>---a---</p>",
+        "should not support thematic breaks w/ other characters (3)"
+    );
+
+    // To do: phrasing.
+    // assert_eq!(
+    //     micromark(" *-*"),
+    //     "<p><em>-</em></p>",
+    //     "should not support thematic breaks w/ mixed markers"
+    // );
+
+    // To do: lists.
+    // assert_eq!(
+    //     micromark("- foo\n***\n- bar"),
+    //     "<ul>\n<li>foo</li>\n</ul>\n<hr />\n<ul>\n<li>bar</li>\n</ul>",
+    //     "should support thematic breaks mixed w/ lists (1)"
+    // );
+
+    // assert_eq!(
+    //     micromark("* Foo\n* * *\n* Bar"),
+    //     "<ul>\n<li>Foo</li>\n</ul>\n<hr />\n<ul>\n<li>Bar</li>\n</ul>",
+    //     "should support thematic breaks mixed w/ lists (2)"
+    // );
+
+    // To do: paragraph.
+    // assert_eq!(
+    //     micromark("Foo\n***\nbar"),
+    //     "<p>Foo</p>\n<hr />\n<p>bar</p>",
+    //     "should support thematic breaks interrupting paragraphs"
+    // );
+
+    // To do: setext.
+    // assert_eq!(
+    //     micromark("Foo\n---\nbar"),
+    //     "<h2>Foo</h2>\n<p>bar</p>",
+    //     "should not support thematic breaks w/ dashes interrupting paragraphs (setext heading)"
+    // );
+
+    // To do: list.
+    // assert_eq!(
+    //     micromark("- Foo\n- * * *"),
+    //     "<ul>\n<li>Foo</li>\n<li>\n<hr />\n</li>\n</ul>",
+    //     "should support thematic breaks in lists"
+    // );
+
+    // To do: blockquote.
+    // assert_eq!(
+    //     micromark("> ---\na"),
+    //     "<blockquote>\n<hr />\n</blockquote>\n<p>a</p>",
+    //     "should not support lazyness (1)"
+    // );
+
+    // assert_eq!(
+    //     micromark("> a\n---"),
+    //     "<blockquote>\n<p>a</p>\n</blockquote>\n<hr />",
+    //     "should not support lazyness (2)"
+    // );
+
+    // To do: extensions.
+    // assert_eq!(
+    //   micromark("***", {extensions: [{disable: {null: ["thematicBreak"]}}]}),
+    //   "<p>***</p>",
+    //   "should support turning off thematic breaks"
+    // );
+}