forked from OSchip/llvm-project
Add gTest unittests to clang, and write the first one.
This is the Makefile version only; the cmake implementation is coming soon. llvm-svn: 124777
This commit is contained in:
Jeffrey Yasskin
parent
5b55454065
commit
c7da993dee
clang
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@ -14,7 +14,7 @@ ifndef CLANG_LEVEL
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IS_TOP_LEVEL := 1
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CLANG_LEVEL := .
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DIRS := include lib tools runtime docs
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DIRS := include lib tools runtime docs unittests
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PARALLEL_DIRS :=
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@ -64,10 +64,12 @@ ifeq ($(IS_TOP_LEVEL),1)
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ifneq ($(PROJ_SRC_ROOT),$(PROJ_OBJ_ROOT))
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$(RecursiveTargets)::
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$(Verb) if [ ! -f test/Makefile ]; then \
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$(MKDIR) test; \
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$(CP) $(PROJ_SRC_DIR)/test/Makefile test/Makefile; \
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fi
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$(Verb) for dir in test unittests; do \
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if [ ! -f $${dir}/Makefile ]; then \
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$(MKDIR) $${dir}; \
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$(CP) $(PROJ_SRC_DIR)/$${dir}/Makefile $${dir}/Makefile; \
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fi \
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done
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endif
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test::
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@ -29,7 +29,7 @@ ifdef VG
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LIT_ARGS += "--vg"
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endif
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all:: lit.site.cfg
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all:: lit.site.cfg Unit/lit.site.cfg
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@ echo '--- Running clang tests for $(TARGET_TRIPLE) ---'
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@ $(PYTHON) $(LLVM_SRC_ROOT)/utils/lit/lit.py \
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$(LIT_ARGS) $(TESTARGS) $(TESTDIRS)
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@ -47,6 +47,22 @@ lit.site.cfg: FORCE
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-e "s#@TARGET_TRIPLE@#$(TARGET_TRIPLE)#g" \
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$(PROJ_SRC_DIR)/lit.site.cfg.in > $@
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Unit/lit.site.cfg: FORCE
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@echo "Making Clang 'Unit/lit.site.cfg' file..."
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@$(MKDIR) $(dir $@)
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@sed -e "s#@LLVM_SOURCE_DIR@#$(LLVM_SRC_ROOT)#g" \
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-e "s#@LLVM_BINARY_DIR@#$(LLVM_OBJ_ROOT)#g" \
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-e "s#@LLVM_TOOLS_DIR@#$(ToolDir)#g" \
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-e "s#@LLVM_LIBS_DIR@#$(LibDir)#g" \
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-e "s#@CLANG_SOURCE_DIR@#$(PROJ_SRC_DIR)/..#g" \
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-e "s#@CLANG_BINARY_DIR@#$(PROJ_OBJ_DIR)/..#g" \
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-e "s#@TARGET_TRIPLE@#$(TARGET_TRIPLE)#g" \
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-e "s#@LLVM_BUILD_MODE@#$(BuildMode)#g" \
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-e "s#@ENABLE_SHARED@#$(ENABLE_SHARED)#g" \
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-e "s#@SHLIBDIR@#$(SharedLibDir)#g" \
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-e "s#@SHLIBPATH_VAR@#$(SHLIBPATH_VAR)#g" \
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$(PROJ_SRC_DIR)/Unit/lit.site.cfg.in > $@
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clean::
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@ find . -name Output | xargs rm -fr
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@ -0,0 +1,86 @@
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# -*- Python -*-
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# Configuration file for the 'lit' test runner.
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import os
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# name: The name of this test suite.
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config.name = 'Clang-Unit'
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# suffixes: A list of file extensions to treat as test files.
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config.suffixes = []
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# test_source_root: The root path where tests are located.
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# test_exec_root: The root path where tests should be run.
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clang_obj_root = getattr(config, 'clang_obj_root', None)
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if clang_obj_root is not None:
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config.test_exec_root = os.path.join(clang_obj_root, 'unittests')
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config.test_source_root = config.test_exec_root
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# testFormat: The test format to use to interpret tests.
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llvm_build_mode = getattr(config, 'llvm_build_mode', "Debug")
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config.test_format = lit.formats.GoogleTest(llvm_build_mode, 'Tests')
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# Propagate the temp directory. Windows requires this because it uses \Windows\
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# if none of these are present.
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if 'TMP' in os.environ:
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config.environment['TMP'] = os.environ['TMP']
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if 'TEMP' in os.environ:
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config.environment['TEMP'] = os.environ['TEMP']
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###
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# If necessary, point the dynamic loader at libLLVM.so.
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if config.enable_shared:
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shlibpath = config.environment.get(config.shlibpath_var,'')
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if shlibpath:
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shlibpath = os.pathsep + shlibpath
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shlibpath = config.shlibdir + shlibpath
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config.environment[config.shlibpath_var] = shlibpath
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# Check that the object root is known.
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if config.test_exec_root is None:
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# Otherwise, we haven't loaded the site specific configuration (the user is
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# probably trying to run on a test file directly, and either the site
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# configuration hasn't been created by the build system, or we are in an
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# out-of-tree build situation).
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# Check for 'clang_site_config' user parameter, and use that if available.
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site_cfg = lit.params.get('clang_site_config', None)
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if site_cfg and os.path.exists(site_cfg):
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lit.load_config(config, site_cfg)
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raise SystemExit
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# Try to detect the situation where we are using an out-of-tree build by
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# looking for 'llvm-config'.
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#
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# FIXME: I debated (i.e., wrote and threw away) adding logic to
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# automagically generate the lit.site.cfg if we are in some kind of fresh
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# build situation. This means knowing how to invoke the build system
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# though, and I decided it was too much magic.
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llvm_config = lit.util.which('llvm-config', config.environment['PATH'])
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if not llvm_config:
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lit.fatal('No site specific configuration available!')
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# Get the source and object roots.
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llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip()
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llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip()
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clang_src_root = os.path.join(llvm_src_root, "tools", "clang")
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clang_obj_root = os.path.join(llvm_obj_root, "tools", "clang")
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# Validate that we got a tree which points to here, using the standard
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# tools/clang layout.
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this_src_root = os.path.dirname(config.test_source_root)
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if os.path.realpath(clang_src_root) != os.path.realpath(this_src_root):
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lit.fatal('No site specific configuration available!')
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# Check that the site specific configuration exists.
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site_cfg = os.path.join(clang_obj_root, 'test', 'Unit', 'lit.site.cfg')
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if not os.path.exists(site_cfg):
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lit.fatal('No site specific configuration available!')
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# Okay, that worked. Notify the user of the automagic, and reconfigure.
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lit.note('using out-of-tree build at %r' % clang_obj_root)
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lit.load_config(config, site_cfg)
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raise SystemExit
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@ -0,0 +1,24 @@
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## Autogenerated by LLVM/Clang configuration.
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# Do not edit!
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config.llvm_src_root = "@LLVM_SOURCE_DIR@"
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config.llvm_obj_root = "@LLVM_BINARY_DIR@"
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config.llvm_tools_dir = "@LLVM_TOOLS_DIR@"
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config.llvm_libs_dir = "@LLVM_LIBS_DIR@"
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config.llvm_build_mode = "@LLVM_BUILD_MODE@"
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config.clang_obj_root = "@CLANG_BINARY_DIR@"
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config.enable_shared = @ENABLE_SHARED@
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config.shlibdir = "@SHLIBDIR@"
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config.shlibpath_var = "@SHLIBPATH_VAR@"
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config.target_triple = "@TARGET_TRIPLE@"
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# Support substitution of the tools and libs dirs with user parameters. This is
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# used when we can't determine the tool dir at configuration time.
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try:
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config.llvm_tools_dir = config.llvm_tools_dir % lit.params
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config.llvm_libs_dir = config.llvm_libs_dir % lit.params
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except KeyError,e:
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key, = e.args
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lit.fatal("unable to find %r parameter, use '--param=%s=VALUE'" % (key,key))
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# Let the main config do the real work.
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lit.load_config(config, "@CLANG_SOURCE_DIR@/test/Unit/lit.cfg")
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@ -0,0 +1,76 @@
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//===- unittests/Frontend/FrontendActionTest.cpp - FrontendAction tests ---===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/AST/RecursiveASTVisitor.h"
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#include "clang/AST/ASTConsumer.h"
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#include "clang/Frontend/CompilerInstance.h"
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#include "clang/Frontend/CompilerInvocation.h"
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#include "clang/Frontend/FrontendAction.h"
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#include "llvm/ADT/Triple.h"
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#include "llvm/LLVMContext.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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using namespace clang;
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namespace {
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class TestASTFrontendAction : public ASTFrontendAction {
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public:
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std::vector<std::string> decl_names;
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virtual ASTConsumer *CreateASTConsumer(CompilerInstance &CI,
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StringRef InFile) {
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return new Visitor(decl_names);
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}
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private:
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class Visitor : public ASTConsumer, public RecursiveASTVisitor<Visitor> {
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public:
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Visitor(std::vector<std::string> &decl_names) : decl_names_(decl_names) {}
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virtual void HandleTranslationUnit(ASTContext &context) {
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TraverseDecl(context.getTranslationUnitDecl());
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}
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virtual bool VisitNamedDecl(NamedDecl *Decl) {
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decl_names_.push_back(Decl->getQualifiedNameAsString());
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return true;
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}
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private:
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std::vector<std::string> &decl_names_;
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};
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};
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TEST(ASTFrontendAction, Sanity) {
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CompilerInvocation *invocation = new CompilerInvocation;
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invocation->getPreprocessorOpts().addRemappedFile(
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"test.cc", MemoryBuffer::getMemBuffer("int main() { float x; }"));
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invocation->getFrontendOpts().Inputs.push_back(
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std::make_pair(IK_CXX, "test.cc"));
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invocation->getFrontendOpts().ProgramAction = frontend::ParseSyntaxOnly;
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invocation->getTargetOpts().Triple = "i386-unknown-linux-gnu";
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CompilerInstance compiler;
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compiler.setLLVMContext(new LLVMContext);
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compiler.setInvocation(invocation);
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compiler.createDiagnostics(0, NULL);
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TestASTFrontendAction test_action;
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ASSERT_TRUE(compiler.ExecuteAction(test_action));
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ASSERT_EQ(3U, test_action.decl_names.size());
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EXPECT_EQ("__builtin_va_list", test_action.decl_names[0]);
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EXPECT_EQ("main", test_action.decl_names[1]);
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EXPECT_EQ("x", test_action.decl_names[2]);
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}
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} // anonymous namespace
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@ -0,0 +1,19 @@
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##===- unittests/ADT/Makefile ------------------------------*- Makefile -*-===##
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#
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# The LLVM Compiler Infrastructure
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#
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# This file is distributed under the University of Illinois Open Source
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# License. See LICENSE.TXT for details.
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#
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##===----------------------------------------------------------------------===##
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CLANG_LEVEL = ../..
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TESTNAME = Frontend
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LINK_COMPONENTS := core support mc
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USEDLIBS = clangFrontendTool.a clangFrontend.a clangDriver.a \
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clangSerialization.a clangCodeGen.a clangParse.a clangSema.a \
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clangStaticAnalyzerCheckers.a clangStaticAnalyzerCore.a \
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clangAnalysis.a clangIndex.a clangRewrite.a \
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clangAST.a clangLex.a clangBasic.a
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include $(CLANG_LEVEL)/unittests/Makefile
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@ -0,0 +1,27 @@
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##===- unittests/Makefile ----------------------------------*- Makefile -*-===##
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#
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# The LLVM Compiler Infrastructure
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#
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# This file is distributed under the University of Illinois Open Source
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# License. See LICENSE.TXT for details.
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#
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##===----------------------------------------------------------------------===##
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# If CLANG_LEVEL is not set, then we are the top-level Makefile. Otherwise, we
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# are being included from a subdirectory makefile.
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ifndef CLANG_LEVEL
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IS_UNITTEST_LEVEL := 1
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CLANG_LEVEL := ..
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PARALLEL_DIRS = Frontend
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endif # CLANG_LEVEL
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include $(CLANG_LEVEL)/Makefile
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ifndef IS_UNITTEST_LEVEL
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include $(LLVM_SRC_ROOT)/unittests/Makefile.unittest
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endif # IS_UNITTEST_LEVEL
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