Add 'lit' testing tool.

- make install && man $(llvm-config --prefix)/share/man/man1/lit.1 for more
   information.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81190 91177308-0d34-0410-b5e6-96231b3b80d8

utils/lit/Test.py

@@ -0,0 +1,71 @@
+import os
+
+# Test results.
+
+class TestResult:
+    def __init__(self, name, isFailure):
+        self.name = name
+        self.isFailure = isFailure
+
+PASS        = TestResult('PASS', False)
+XFAIL       = TestResult('XFAIL', False)
+FAIL        = TestResult('FAIL', True)
+XPASS       = TestResult('XPASS', True)
+UNRESOLVED  = TestResult('UNRESOLVED', True)
+UNSUPPORTED = TestResult('UNSUPPORTED', False)
+
+# Test classes.
+
+class TestFormat:
+    """TestFormat - Test information provider."""
+
+    def __init__(self, name):
+        self.name = name
+
+class TestSuite:
+    """TestSuite - Information on a group of tests.
+
+    A test suite groups together a set of logically related tests.
+    """
+
+    def __init__(self, name, source_root, exec_root, config):
+        self.name = name
+        self.source_root = source_root
+        self.exec_root = exec_root
+        # The test suite configuration.
+        self.config = config
+
+    def getSourcePath(self, components):
+        return os.path.join(self.source_root, *components)
+
+    def getExecPath(self, components):
+        return os.path.join(self.exec_root, *components)
+
+class Test:
+    """Test - Information on a single test instance."""
+
+    def __init__(self, suite, path_in_suite, config):
+        self.suite = suite
+        self.path_in_suite = path_in_suite
+        self.config = config
+        # The test result code, once complete.
+        self.result = None
+        # Any additional output from the test, once complete.
+        self.output = None
+        # The wall time to execute this test, if timing and once complete.
+        self.elapsed = None
+
+    def setResult(self, result, output, elapsed):
+        assert self.result is None, "Test result already set!"
+        self.result = result
+        self.output = output
+        self.elapsed = elapsed
+
+    def getFullName(self):
+        return self.suite.config.name + '::' + '/'.join(self.path_in_suite)
+
+    def getSourcePath(self):
+        return self.suite.getSourcePath(self.path_in_suite)
+
+    def getExecPath(self):
+        return self.suite.getExecPath(self.path_in_suite)