Add gTest unittests to clang, and write the first one.
This is the Makefile version only; the cmake implementation is coming soon.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124777 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Makefile b/test/Makefile
index 5bb50c6..b0c829c 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -29,7 +29,7 @@
LIT_ARGS += "--vg"
endif
-all:: lit.site.cfg
+all:: lit.site.cfg Unit/lit.site.cfg
@ echo '--- Running clang tests for $(TARGET_TRIPLE) ---'
@ $(PYTHON) $(LLVM_SRC_ROOT)/utils/lit/lit.py \
$(LIT_ARGS) $(TESTARGS) $(TESTDIRS)
@@ -47,6 +47,22 @@
-e "s#@TARGET_TRIPLE@#$(TARGET_TRIPLE)#g" \
$(PROJ_SRC_DIR)/lit.site.cfg.in > $@
+Unit/lit.site.cfg: FORCE
+ @echo "Making Clang 'Unit/lit.site.cfg' file..."
+ @$(MKDIR) $(dir $@)
+ @sed -e "s#@LLVM_SOURCE_DIR@#$(LLVM_SRC_ROOT)#g" \
+ -e "s#@LLVM_BINARY_DIR@#$(LLVM_OBJ_ROOT)#g" \
+ -e "s#@LLVM_TOOLS_DIR@#$(ToolDir)#g" \
+ -e "s#@LLVM_LIBS_DIR@#$(LibDir)#g" \
+ -e "s#@CLANG_SOURCE_DIR@#$(PROJ_SRC_DIR)/..#g" \
+ -e "s#@CLANG_BINARY_DIR@#$(PROJ_OBJ_DIR)/..#g" \
+ -e "s#@TARGET_TRIPLE@#$(TARGET_TRIPLE)#g" \
+ -e "s#@LLVM_BUILD_MODE@#$(BuildMode)#g" \
+ -e "s#@ENABLE_SHARED@#$(ENABLE_SHARED)#g" \
+ -e "s#@SHLIBDIR@#$(SharedLibDir)#g" \
+ -e "s#@SHLIBPATH_VAR@#$(SHLIBPATH_VAR)#g" \
+ $(PROJ_SRC_DIR)/Unit/lit.site.cfg.in > $@
+
clean::
@ find . -name Output | xargs rm -fr
diff --git a/test/Unit/lit.cfg b/test/Unit/lit.cfg
new file mode 100644
index 0000000..dfa3bf2
--- /dev/null
+++ b/test/Unit/lit.cfg
@@ -0,0 +1,86 @@
+# -*- Python -*-
+
+# Configuration file for the 'lit' test runner.
+
+import os
+
+# name: The name of this test suite.
+config.name = 'Clang-Unit'
+
+# suffixes: A list of file extensions to treat as test files.
+config.suffixes = []
+
+# test_source_root: The root path where tests are located.
+# test_exec_root: The root path where tests should be run.
+clang_obj_root = getattr(config, 'clang_obj_root', None)
+if clang_obj_root is not None:
+ config.test_exec_root = os.path.join(clang_obj_root, 'unittests')
+ config.test_source_root = config.test_exec_root
+
+# testFormat: The test format to use to interpret tests.
+llvm_build_mode = getattr(config, 'llvm_build_mode', "Debug")
+config.test_format = lit.formats.GoogleTest(llvm_build_mode, 'Tests')
+
+# Propagate the temp directory. Windows requires this because it uses \Windows\
+# if none of these are present.
+if 'TMP' in os.environ:
+ config.environment['TMP'] = os.environ['TMP']
+if 'TEMP' in os.environ:
+ config.environment['TEMP'] = os.environ['TEMP']
+
+###
+
+# If necessary, point the dynamic loader at libLLVM.so.
+if config.enable_shared:
+ shlibpath = config.environment.get(config.shlibpath_var,'')
+ if shlibpath:
+ shlibpath = os.pathsep + shlibpath
+ shlibpath = config.shlibdir + shlibpath
+ config.environment[config.shlibpath_var] = shlibpath
+
+# Check that the object root is known.
+if config.test_exec_root is None:
+ # Otherwise, we haven't loaded the site specific configuration (the user is
+ # probably trying to run on a test file directly, and either the site
+ # configuration hasn't been created by the build system, or we are in an
+ # out-of-tree build situation).
+
+ # Check for 'clang_site_config' user parameter, and use that if available.
+ site_cfg = lit.params.get('clang_site_config', None)
+ if site_cfg and os.path.exists(site_cfg):
+ lit.load_config(config, site_cfg)
+ raise SystemExit
+
+ # Try to detect the situation where we are using an out-of-tree build by
+ # looking for 'llvm-config'.
+ #
+ # FIXME: I debated (i.e., wrote and threw away) adding logic to
+ # automagically generate the lit.site.cfg if we are in some kind of fresh
+ # build situation. This means knowing how to invoke the build system
+ # though, and I decided it was too much magic.
+
+ llvm_config = lit.util.which('llvm-config', config.environment['PATH'])
+ if not llvm_config:
+ lit.fatal('No site specific configuration available!')
+
+ # Get the source and object roots.
+ llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip()
+ llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip()
+ clang_src_root = os.path.join(llvm_src_root, "tools", "clang")
+ clang_obj_root = os.path.join(llvm_obj_root, "tools", "clang")
+
+ # Validate that we got a tree which points to here, using the standard
+ # tools/clang layout.
+ this_src_root = os.path.dirname(config.test_source_root)
+ if os.path.realpath(clang_src_root) != os.path.realpath(this_src_root):
+ lit.fatal('No site specific configuration available!')
+
+ # Check that the site specific configuration exists.
+ site_cfg = os.path.join(clang_obj_root, 'test', 'Unit', 'lit.site.cfg')
+ if not os.path.exists(site_cfg):
+ lit.fatal('No site specific configuration available!')
+
+ # Okay, that worked. Notify the user of the automagic, and reconfigure.
+ lit.note('using out-of-tree build at %r' % clang_obj_root)
+ lit.load_config(config, site_cfg)
+ raise SystemExit
diff --git a/test/Unit/lit.site.cfg.in b/test/Unit/lit.site.cfg.in
new file mode 100644
index 0000000..162d26e
--- /dev/null
+++ b/test/Unit/lit.site.cfg.in
@@ -0,0 +1,24 @@
+## Autogenerated by LLVM/Clang configuration.
+# Do not edit!
+config.llvm_src_root = "@LLVM_SOURCE_DIR@"
+config.llvm_obj_root = "@LLVM_BINARY_DIR@"
+config.llvm_tools_dir = "@LLVM_TOOLS_DIR@"
+config.llvm_libs_dir = "@LLVM_LIBS_DIR@"
+config.llvm_build_mode = "@LLVM_BUILD_MODE@"
+config.clang_obj_root = "@CLANG_BINARY_DIR@"
+config.enable_shared = @ENABLE_SHARED@
+config.shlibdir = "@SHLIBDIR@"
+config.shlibpath_var = "@SHLIBPATH_VAR@"
+config.target_triple = "@TARGET_TRIPLE@"
+
+# Support substitution of the tools and libs dirs with user parameters. This is
+# used when we can't determine the tool dir at configuration time.
+try:
+ config.llvm_tools_dir = config.llvm_tools_dir % lit.params
+ config.llvm_libs_dir = config.llvm_libs_dir % lit.params
+except KeyError,e:
+ key, = e.args
+ lit.fatal("unable to find %r parameter, use '--param=%s=VALUE'" % (key,key))
+
+# Let the main config do the real work.
+lit.load_config(config, "@CLANG_SOURCE_DIR@/test/Unit/lit.cfg")