From 40722cc9ffce9089d2380b2571e66365dcd250c8 Mon Sep 17 00:00:00 2001
From: Daniel Dunbar <daniel@zuster.org>
Date: Thu, 31 Jan 2013 00:21:39 +0000
Subject: [PATCH] [lit] Add a test suite for lit itself.

llvm-svn: 173999
---
 llvm/utils/lit/tests/lit.cfg  | 35 +++++++++++++++++++++++++++++++++++
 llvm/utils/lit/tests/usage.py |  6 ++++++
 2 files changed, 41 insertions(+)
 create mode 100644 llvm/utils/lit/tests/lit.cfg
 create mode 100644 llvm/utils/lit/tests/usage.py

diff --git a/llvm/utils/lit/tests/lit.cfg b/llvm/utils/lit/tests/lit.cfg
new file mode 100644
index 0000000..b32c354f
--- /dev/null
+++ b/llvm/utils/lit/tests/lit.cfg
@@ -0,0 +1,35 @@
+# -*- Python -*-
+
+import os
+
+# Configuration file for the 'lit' test runner.
+
+# name: The name of this test suite.
+config.name = 'lit'
+
+# testFormat: The test format to use to interpret tests.
+config.test_format = lit.formats.ShTest(execute_external=False)
+
+# suffixes: A list of file extensions to treat as test files.
+config.suffixes = ['.py']
+
+# excludes: A list of individual files to exclude.
+config.excludes = ['Inputs']
+
+# test_source_root: The root path where tests are located.
+config.test_source_root = os.path.dirname(__file__)
+config.test_exec_root = config.test_source_root
+
+config.target_triple = None
+
+src_root = os.path.join(config.test_source_root, '..')
+config.substitutions.append(('%{src_root}', src_root))
+config.substitutions.append(('%{inputs}', os.path.join(
+            src_root, 'tests', 'Inputs')))
+config.substitutions.append(('%{lit}', os.path.join(src_root, 'lit.py')))
+
+# Enable coverage.py reporting, assuming the coverage module has been installed
+# and sitecustomize.py in the virtualenv has been modified appropriately.
+if lit.params.get('check-coverage', None):
+    config.environment['COVERAGE_PROCESS_START'] = os.path.join(
+        os.path.dirname(__file__), ".coveragerc")
diff --git a/llvm/utils/lit/tests/usage.py b/llvm/utils/lit/tests/usage.py
new file mode 100644
index 0000000..e10d613
--- /dev/null
+++ b/llvm/utils/lit/tests/usage.py
@@ -0,0 +1,6 @@
+# Basic sanity check that usage works.
+#
+# RUN: %{lit} --help > %t.out
+# RUN: FileCheck < %t.out %s
+#
+# CHECK: Usage: lit.py [options] {file-or-path}
-- 
2.7.4