diff --git a/layout/html/tests/frameset/bugs/0020459_zero_size.html b/layout/html/tests/frameset/bugs/0020459_zero_size.html
new file mode 100644
index 000000000000..178b1cad5632
--- /dev/null
+++ b/layout/html/tests/frameset/bugs/0020459_zero_size.html
@@ -0,0 +1,6 @@
+
+
+
diff --git a/layout/html/tests/frameset/bugs/0021268_zero_percent_size.html b/layout/html/tests/frameset/bugs/0021268_zero_percent_size.html
new file mode 100644
index 000000000000..c666f3b04e65
--- /dev/null
+++ b/layout/html/tests/frameset/bugs/0021268_zero_percent_size.html
@@ -0,0 +1,6 @@
+
+
+
diff --git a/layout/html/tests/frameset/bugs/0031482_extra_comma.html b/layout/html/tests/frameset/bugs/0031482_extra_comma.html
new file mode 100644
index 000000000000..62ee140af1c3
--- /dev/null
+++ b/layout/html/tests/frameset/bugs/0031482_extra_comma.html
@@ -0,0 +1,7 @@
+
+
+
diff --git a/layout/html/tests/frameset/bugs/0033699_whitespace_size.html b/layout/html/tests/frameset/bugs/0033699_whitespace_size.html
new file mode 100644
index 000000000000..93e56dcba40c
--- /dev/null
+++ b/layout/html/tests/frameset/bugs/0033699_whitespace_size.html
@@ -0,0 +1,9 @@
+
+
+
diff --git a/layout/html/tests/frameset/bugs/file_list.txt b/layout/html/tests/frameset/bugs/file_list.txt
index 2245bf72ead7..c3b2ab7f86f3 100644
--- a/layout/html/tests/frameset/bugs/file_list.txt
+++ b/layout/html/tests/frameset/bugs/file_list.txt
@@ -3,3 +3,7 @@ file:///s|/mozilla/layout/html/tests/frameset/bugs/0004849.html
file:///s|/mozilla/layout/html/tests/frameset/bugs/0005437.html
file:///s|/mozilla/layout/html/tests/frameset/bugs/0016346_noscroll.html
file:///s|/mozilla/layout/html/tests/frameset/bugs/0016346_overflow_hidden.html
+file:///s|/mozilla/layout/html/tests/frameset/bugs/0031482_extra_comma.html
+file:///s|/mozilla/layout/html/tests/frameset/bugs/0020459_zero_size.html
+file:///s|/mozilla/layout/html/tests/frameset/bugs/0021268_zero_percent_size.html
+file:///s|/mozilla/layout/html/tests/frameset/bugs/0033699_whitespace_size.html