test(Issue285Test.kt): test parse multiline html comment

processor-commonmark/src/test/kotlin/org/bsc/makdown/commonmark/Issue285Test.kt

@@ -0,0 +1,37 @@
+package org.bsc.makdown.commonmark
+
+import org.bsc.confluence.model.Site
+import org.bsc.markdown.commonmark.CommonmarkConfluenceWikiVisitor.parseHTMLComment
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertTrue
+import org.junit.jupiter.api.Test
+import java.nio.file.Paths
+
+class Issue285Test {
+
+    var site = Site().apply {
+        basedir = Paths.get(System.getProperty("user.dir"))
+    }
+
+    @Test
+    fun `parse excerpt macros`() {
+
+        val excerptMacro = """
+            <!-- {excerpt:title=MyExcerpt}
+            This is the content that I want to use as my excerpt.
+            {excerpt} -->
+        """.trimIndent()
+
+        val multiLineMatcher = parseHTMLComment(excerptMacro)
+
+        assertTrue( multiLineMatcher.matches() )
+        assertEquals( 2, multiLineMatcher.groupCount() )
+        assertEquals( """
+            {excerpt:title=MyExcerpt}
+            This is the content that I want to use as my excerpt.
+            {excerpt}
+            """.trimIndent(), multiLineMatcher.group(2).trimEnd() )
+
+    }
+
+}