diff --git a/amend/tests/003-lex-command/expected.txt b/amend/tests/003-lex-command/expected.txt
new file mode 100644
index 0000000..e40db0c
--- /dev/null
+++ b/amend/tests/003-lex-command/expected.txt
@@ -0,0 +1,13 @@
+ IDENTIFIER<this_identifier_is_not_assert> EOL
+ IDENTIFIER<NEITHER_IS_THIS_123> EOL
+ IDENTIFIER<but_the_next_one_is> EOL
+ IDENTIFIER<assert> EOL
+ IDENTIFIER<next_one_is_not_an_identifier> EOL
+line 6: unexpected character at '1'
+ EOF
+line 1: unexpected character at '"'
+ EOF
+line 1: unexpected character at '='
+ EOF
+line 1: unexpected character at '9'
+ EOF
diff --git a/amend/tests/003-lex-command/info.txt b/amend/tests/003-lex-command/info.txt
new file mode 100644
index 0000000..9296648
--- /dev/null
+++ b/amend/tests/003-lex-command/info.txt
@@ -0,0 +1 @@
+Test to make sure that simple command names are tokenized properly.
diff --git a/amend/tests/003-lex-command/input b/amend/tests/003-lex-command/input
new file mode 100644
index 0000000..b9ef231
--- /dev/null
+++ b/amend/tests/003-lex-command/input
@@ -0,0 +1,6 @@
+this_identifier_is_not_assert
+NEITHER_IS_THIS_123
+but_the_next_one_is
+assert
+next_one_is_not_an_identifier
+12not_an_identifier
diff --git a/amend/tests/003-lex-command/input2 b/amend/tests/003-lex-command/input2
new file mode 100644
index 0000000..eb5daf7
--- /dev/null
+++ b/amend/tests/003-lex-command/input2
@@ -0,0 +1 @@
+"quoted"
diff --git a/amend/tests/003-lex-command/input3 b/amend/tests/003-lex-command/input3
new file mode 100644
index 0000000..f1c8738
--- /dev/null
+++ b/amend/tests/003-lex-command/input3
@@ -0,0 +1 @@
+==
diff --git a/amend/tests/003-lex-command/input4 b/amend/tests/003-lex-command/input4
new file mode 100644
index 0000000..3ad5abd
--- /dev/null
+++ b/amend/tests/003-lex-command/input4
@@ -0,0 +1 @@
+99
diff --git a/amend/tests/003-lex-command/run b/amend/tests/003-lex-command/run
new file mode 100644
index 0000000..2e21fab
--- /dev/null
+++ b/amend/tests/003-lex-command/run
@@ -0,0 +1,20 @@
+#!/bin/bash
+#
+# Copyright (C) 2007 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.
+
+amend --debug-lex input
+amend --debug-lex input2
+amend --debug-lex input3
+amend --debug-lex input4