diff --git a/src/test/java/com/google/gwtexpui/safehtml/client/SafeHtml_LinkifyTest.java b/src/test/java/com/google/gwtexpui/safehtml/client/SafeHtml_LinkifyTest.java
new file mode 100644
index 0000000..365db0b
--- /dev/null
+++ b/src/test/java/com/google/gwtexpui/safehtml/client/SafeHtml_LinkifyTest.java
@@ -0,0 +1,58 @@
+// Copyright (C) 2009 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.gwtexpui.safehtml.client;
+
+import junit.framework.TestCase;
+
+public class SafeHtml_LinkifyTest extends TestCase {
+  public void testLinkify_SimpleHttp1() {
+    final SafeHtml o = html("A http://go.here/ B");
+    final SafeHtml n = o.linkify();
+    assertNotSame(o, n);
+    assertEquals("A <a href=\"http://go.here/\">http://go.here/</a> B", n.asString());
+  }
+
+  public void testLinkify_SimpleHttps2() {
+    final SafeHtml o = html("A https://go.here/ B");
+    final SafeHtml n = o.linkify();
+    assertNotSame(o, n);
+    assertEquals("A <a href=\"https://go.here/\">https://go.here/</a> B", n.asString());
+  }
+
+  public void testLinkify_Parens1() {
+    final SafeHtml o = html("A (http://go.here/) B");
+    final SafeHtml n = o.linkify();
+    assertNotSame(o, n);
+    assertEquals("A (<a href=\"http://go.here/\">http://go.here/</a>) B", n.asString());
+  }
+
+  public void testLinkify_Parens() {
+    final SafeHtml o = html("A http://go.here/#m() B");
+    final SafeHtml n = o.linkify();
+    assertNotSame(o, n);
+    assertEquals("A <a href=\"http://go.here/#m()\">http://go.here/#m()</a> B", n.asString());
+  }
+
+  public void testLinkify_AngleBrackets1() {
+    final SafeHtml o = html("A <http://go.here/> B");
+    final SafeHtml n = o.linkify();
+    assertNotSame(o, n);
+    assertEquals("A &lt;<a href=\"http://go.here/\">http://go.here/</a>&gt; B", n.asString());
+  }
+
+  private static SafeHtml html(String text) {
+    return new SafeHtmlBuilder().append(text).toSafeHtml();
+  }
+}
diff --git a/src/test/java/com/google/gwtexpui/safehtml/client/SafeHtml_WikifyListTest.java b/src/test/java/com/google/gwtexpui/safehtml/client/SafeHtml_WikifyListTest.java
new file mode 100644
index 0000000..c3a0871
--- /dev/null
+++ b/src/test/java/com/google/gwtexpui/safehtml/client/SafeHtml_WikifyListTest.java
@@ -0,0 +1,104 @@
+// Copyright (C) 2009 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "<p>AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.gwtexpui.safehtml.client;
+
+import junit.framework.TestCase;
+
+public class SafeHtml_WikifyListTest extends TestCase {
+  private static final String BEGIN_LIST = "<ul class=\"gwtexpui-SafeHtml-WikiList\">";
+  private static final String END_LIST = "</ul>";
+
+  private static String item(String raw) {
+    return "<li>" + raw + "</li>";
+  }
+
+  public void testBulletList1() {
+    final SafeHtml o = html("A\n\n* line 1\n* 2nd line");
+    final SafeHtml n = o.wikify();
+    assertNotSame(o, n);
+    assertEquals("<p>A</p>"//
+        + BEGIN_LIST //
+        + item("line 1") //
+        + item("2nd line") //
+        + END_LIST //
+    , n.asString());
+  }
+
+  public void testBulletList2() {
+    final SafeHtml o = html("A\n\n* line 1\n* 2nd line\n\nB");
+    final SafeHtml n = o.wikify();
+    assertNotSame(o, n);
+    assertEquals("<p>A</p>"//
+        + BEGIN_LIST //
+        + item("line 1") //
+        + item("2nd line") //
+        + END_LIST //
+        + "<p>B</p>" //
+    , n.asString());
+  }
+
+  public void testBulletList3() {
+    final SafeHtml o = html("* line 1\n* 2nd line\n\nB");
+    final SafeHtml n = o.wikify();
+    assertNotSame(o, n);
+    assertEquals(BEGIN_LIST //
+        + item("line 1") //
+        + item("2nd line") //
+        + END_LIST //
+        + "<p>B</p>" //
+    , n.asString());
+  }
+
+  public void testDashList1() {
+    final SafeHtml o = html("A\n\n- line 1\n- 2nd line");
+    final SafeHtml n = o.wikify();
+    assertNotSame(o, n);
+    assertEquals("<p>A</p>"//
+        + BEGIN_LIST //
+        + item("line 1") //
+        + item("2nd line") //
+        + END_LIST //
+    , n.asString());
+  }
+
+  public void testDashList2() {
+    final SafeHtml o = html("A\n\n- line 1\n- 2nd line\n\nB");
+    final SafeHtml n = o.wikify();
+    assertNotSame(o, n);
+    assertEquals("<p>A</p>"//
+        + BEGIN_LIST //
+        + item("line 1") //
+        + item("2nd line") //
+        + END_LIST //
+        + "<p>B</p>" //
+    , n.asString());
+  }
+
+  public void testDashList3() {
+    final SafeHtml o = html("- line 1\n- 2nd line\n\nB");
+    final SafeHtml n = o.wikify();
+    assertNotSame(o, n);
+    assertEquals(BEGIN_LIST //
+        + item("line 1") //
+        + item("2nd line") //
+        + END_LIST //
+        + "<p>B</p>" //
+    , n.asString());
+  }
+
+  private static SafeHtml html(String text) {
+    return new SafeHtmlBuilder().append(text).toSafeHtml();
+  }
+}
diff --git a/src/test/java/com/google/gwtexpui/safehtml/client/SafeHtml_WikifyPreformatTest.java b/src/test/java/com/google/gwtexpui/safehtml/client/SafeHtml_WikifyPreformatTest.java
new file mode 100644
index 0000000..27e7565
--- /dev/null
+++ b/src/test/java/com/google/gwtexpui/safehtml/client/SafeHtml_WikifyPreformatTest.java
@@ -0,0 +1,82 @@
+// Copyright (C) 2009 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "<p>AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.gwtexpui.safehtml.client;
+
+import junit.framework.TestCase;
+
+public class SafeHtml_WikifyPreformatTest extends TestCase {
+  private static final String B = "<span class=\"gwtexpui-SafeHtml-WikiPreFormat\">";
+  private static final String E = "</span><br />";
+
+  private static String pre(String raw) {
+    return B + raw + E;
+  }
+
+  public void testPreformat1() {
+    final SafeHtml o = html("A\n\n  This is pre\n  formatted");
+    final SafeHtml n = o.wikify();
+    assertNotSame(o, n);
+    assertEquals("<p>A</p>"//
+        + "<p>" //
+        + pre("  This is pre") //
+        + pre("  formatted") //
+        + "</p>" //
+    , n.asString());
+  }
+
+  public void testPreformat2() {
+    final SafeHtml o = html("A\n\n  This is pre\n  formatted\n\nbut this is not");
+    final SafeHtml n = o.wikify();
+    assertNotSame(o, n);
+    assertEquals("<p>A</p>" //
+        + "<p>" //
+        + pre("  This is pre") //
+        + pre("  formatted") //
+        + "</p>" //
+        + "<p>but this is not</p>" //
+    , n.asString());
+  }
+
+  public void testPreformat3() {
+    final SafeHtml o = html("A\n\n  Q\n    <R>\n  S\n\nB");
+    final SafeHtml n = o.wikify();
+    assertNotSame(o, n);
+    assertEquals("<p>A</p>" //
+        + "<p>" //
+        + pre("  Q") //
+        + pre("    &lt;R&gt;") //
+        + pre("  S") //
+        + "</p>" //
+        + "<p>B</p>" //
+    , n.asString());
+  }
+
+  public void testPreformat4() {
+    final SafeHtml o = html("  Q\n    <R>\n  S\n\nB");
+    final SafeHtml n = o.wikify();
+    assertNotSame(o, n);
+    assertEquals("<p>" //
+        + pre("  Q") //
+        + pre("    &lt;R&gt;") //
+        + pre("  S") //
+        + "</p>" //
+        + "<p>B</p>" //
+    , n.asString());
+  }
+
+  private static SafeHtml html(String text) {
+    return new SafeHtmlBuilder().append(text).toSafeHtml();
+  }
+}
diff --git a/src/test/java/com/google/gwtexpui/safehtml/client/SafeHtml_WikifyTest.java b/src/test/java/com/google/gwtexpui/safehtml/client/SafeHtml_WikifyTest.java
new file mode 100644
index 0000000..9b39b77
--- /dev/null
+++ b/src/test/java/com/google/gwtexpui/safehtml/client/SafeHtml_WikifyTest.java
@@ -0,0 +1,93 @@
+// Copyright (C) 2009 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "<p>AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.gwtexpui.safehtml.client;
+
+import junit.framework.TestCase;
+
+public class SafeHtml_WikifyTest extends TestCase {
+  public void testWikify_OneLine1() {
+    final SafeHtml o = html("A  B");
+    final SafeHtml n = o.wikify();
+    assertNotSame(o, n);
+    assertEquals("<p>A  B</p>", n.asString());
+  }
+
+  public void testWikify_OneLine2() {
+    final SafeHtml o = html("A  B\n");
+    final SafeHtml n = o.wikify();
+    assertNotSame(o, n);
+    assertEquals("<p>A  B\n</p>", n.asString());
+  }
+
+  public void testWikify_OneParagraph1() {
+    final SafeHtml o = html("A\nB");
+    final SafeHtml n = o.wikify();
+    assertNotSame(o, n);
+    assertEquals("<p>A\nB</p>", n.asString());
+  }
+
+  public void testWikify_OneParagraph2() {
+    final SafeHtml o = html("A\nB\n");
+    final SafeHtml n = o.wikify();
+    assertNotSame(o, n);
+    assertEquals("<p>A\nB\n</p>", n.asString());
+  }
+
+  public void testWikify_TwoParagraphs() {
+    final SafeHtml o = html("A\nB\n\nC\nD");
+    final SafeHtml n = o.wikify();
+    assertNotSame(o, n);
+    assertEquals("<p>A\nB</p><p>C\nD</p>", n.asString());
+  }
+
+  public void testLinkify_SimpleHttp1() {
+    final SafeHtml o = html("A http://go.here/ B");
+    final SafeHtml n = o.wikify();
+    assertNotSame(o, n);
+    assertEquals("<p>A <a href=\"http://go.here/\">http://go.here/</a> B</p>", n.asString());
+  }
+
+  public void testLinkify_SimpleHttps2() {
+    final SafeHtml o = html("A https://go.here/ B");
+    final SafeHtml n = o.wikify();
+    assertNotSame(o, n);
+    assertEquals("<p>A <a href=\"https://go.here/\">https://go.here/</a> B</p>", n.asString());
+  }
+
+  public void testLinkify_Parens1() {
+    final SafeHtml o = html("A (http://go.here/) B");
+    final SafeHtml n = o.wikify();
+    assertNotSame(o, n);
+    assertEquals("<p>A (<a href=\"http://go.here/\">http://go.here/</a>) B</p>", n.asString());
+  }
+
+  public void testLinkify_Parens() {
+    final SafeHtml o = html("A http://go.here/#m() B");
+    final SafeHtml n = o.wikify();
+    assertNotSame(o, n);
+    assertEquals("<p>A <a href=\"http://go.here/#m()\">http://go.here/#m()</a> B</p>", n.asString());
+  }
+
+  public void testLinkify_AngleBrackets1() {
+    final SafeHtml o = html("A <http://go.here/> B");
+    final SafeHtml n = o.wikify();
+    assertNotSame(o, n);
+    assertEquals("<p>A &lt;<a href=\"http://go.here/\">http://go.here/</a>&gt; B</p>", n.asString());
+  }
+
+  private static SafeHtml html(String text) {
+    return new SafeHtmlBuilder().append(text).toSafeHtml();
+  }
+}