[Lldb-commits] [lldb] r267726 - Decorate TSan tests with "@skipUnlessThreadSanitizer" which skips the tests if the selected compiler can't compile with "-fsanitize=thread".

[Kuba Brecka via lldb-commits]

Author: kuba.brecka
Date: Wed Apr 27 10:26:27 2016
New Revision: 267726

URL: http://llvm.org/viewvc/llvm-project?rev=267726&view=rev
Log:
Decorate TSan tests with "@skipUnlessThreadSanitizer" which skips the tests if the selected compiler can't compile with "-fsanitize=thread".


Modified:
    lldb/trunk/packages/Python/lldbsuite/test/decorators.py
    lldb/trunk/packages/Python/lldbsuite/test/functionalities/tsan/basic/TestTsanBasic.py
    lldb/trunk/packages/Python/lldbsuite/test/functionalities/tsan/multiple/TestTsanMultiple.py
    lldb/trunk/packages/Python/lldbsuite/test/functionalities/tsan/thread_leak/TestTsanThreadLeak.py
    lldb/trunk/packages/Python/lldbsuite/test/functionalities/tsan/thread_numbers/TestTsanThreadNumbers.py

Modified: lldb/trunk/packages/Python/lldbsuite/test/decorators.py
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/packages/Python/lldbsuite/test/decorators.py?rev=267726&r1=267725&r2=267726&view=diff
==============================================================================
--- lldb/trunk/packages/Python/lldbsuite/test/decorators.py (original)
+++ lldb/trunk/packages/Python/lldbsuite/test/decorators.py Wed Apr 27 10:26:27 2016
@@ -7,6 +7,7 @@ from functools import wraps
 import os
 import re
 import sys
+import tempfile
 
 # Third-party modules
 import six
@@ -505,6 +506,23 @@ def skipUnlessCompilerRt(func):
         return "compiler-rt not found" if not os.path.exists(compilerRtPath) else None
     return skipTestIfFn(is_compiler_rt_missing)(func)
 
+def skipUnlessThreadSanitizer(func):
+    """Decorate the item to skip test unless Clang -fsanitize=thread is supported."""
+    def is_compiler_clang_with_thread_sanitizer(self):
+        compiler_path = self.getCompiler()
+        compiler = os.path.basename(compiler_path)
+        if not compiler.startswith("clang"):
+            return "Test requires clang as compiler"
+        f = tempfile.NamedTemporaryFile()
+        cmd = "echo 'int main() {}' | %s -x c -o %s -" % (compiler_path, f.name)
+        if os.popen(cmd).close() != None:
+            return None  # The compiler cannot compile at all, let's *not* skip the test
+        cmd = "echo 'int main() {}' | %s -fsanitize=thread -x c -o %s -" % (compiler_path, f.name)
+        if os.popen(cmd).close() != None:
+            return "Compiler cannot compile with -fsanitize=thread"
+        return None
+    return skipTestIfFn(is_compiler_clang_with_thread_sanitizer)(func)
+
 def skipUnlessClangModules():
     """Decorate the item to skip test unless Clang -gmodules flag is supported."""
     def is_compiler_clang_with_gmodules(self):

Modified: lldb/trunk/packages/Python/lldbsuite/test/functionalities/tsan/basic/TestTsanBasic.py
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/packages/Python/lldbsuite/test/functionalities/tsan/basic/TestTsanBasic.py?rev=267726&r1=267725&r2=267726&view=diff
==============================================================================
--- lldb/trunk/packages/Python/lldbsuite/test/functionalities/tsan/basic/TestTsanBasic.py (original)
+++ lldb/trunk/packages/Python/lldbsuite/test/functionalities/tsan/basic/TestTsanBasic.py Wed Apr 27 10:26:27 2016
@@ -17,6 +17,7 @@ class TsanBasicTestCase(TestBase):
     @skipIfFreeBSD # llvm.org/pr21136 runtimes not yet available by default
     @skipIfRemote
     @skipUnlessCompilerRt
+    @skipUnlessThreadSanitizer
     def test (self):
         self.build ()
         self.tsan_tests ()

Modified: lldb/trunk/packages/Python/lldbsuite/test/functionalities/tsan/multiple/TestTsanMultiple.py
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/packages/Python/lldbsuite/test/functionalities/tsan/multiple/TestTsanMultiple.py?rev=267726&r1=267725&r2=267726&view=diff
==============================================================================
--- lldb/trunk/packages/Python/lldbsuite/test/functionalities/tsan/multiple/TestTsanMultiple.py (original)
+++ lldb/trunk/packages/Python/lldbsuite/test/functionalities/tsan/multiple/TestTsanMultiple.py Wed Apr 27 10:26:27 2016
@@ -17,6 +17,7 @@ class TsanMultipleTestCase(TestBase):
     @skipIfFreeBSD # llvm.org/pr21136 runtimes not yet available by default
     @skipIfRemote
     @skipUnlessCompilerRt
+    @skipUnlessThreadSanitizer
     def test (self):
         self.build ()
         self.tsan_tests ()

Modified: lldb/trunk/packages/Python/lldbsuite/test/functionalities/tsan/thread_leak/TestTsanThreadLeak.py
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/packages/Python/lldbsuite/test/functionalities/tsan/thread_leak/TestTsanThreadLeak.py?rev=267726&r1=267725&r2=267726&view=diff
==============================================================================
--- lldb/trunk/packages/Python/lldbsuite/test/functionalities/tsan/thread_leak/TestTsanThreadLeak.py (original)
+++ lldb/trunk/packages/Python/lldbsuite/test/functionalities/tsan/thread_leak/TestTsanThreadLeak.py Wed Apr 27 10:26:27 2016
@@ -17,6 +17,7 @@ class TsanThreadLeakTestCase(TestBase):
     @skipIfFreeBSD # llvm.org/pr21136 runtimes not yet available by default
     @skipIfRemote
     @skipUnlessCompilerRt
+    @skipUnlessThreadSanitizer
     def test (self):
         self.build ()
         self.tsan_tests ()

Modified: lldb/trunk/packages/Python/lldbsuite/test/functionalities/tsan/thread_numbers/TestTsanThreadNumbers.py
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/packages/Python/lldbsuite/test/functionalities/tsan/thread_numbers/TestTsanThreadNumbers.py?rev=267726&r1=267725&r2=267726&view=diff
==============================================================================
--- lldb/trunk/packages/Python/lldbsuite/test/functionalities/tsan/thread_numbers/TestTsanThreadNumbers.py (original)
+++ lldb/trunk/packages/Python/lldbsuite/test/functionalities/tsan/thread_numbers/TestTsanThreadNumbers.py Wed Apr 27 10:26:27 2016
@@ -17,6 +17,7 @@ class TsanThreadNumbersTestCase(TestBase
     @skipIfFreeBSD # llvm.org/pr21136 runtimes not yet available by default
     @skipIfRemote
     @skipUnlessCompilerRt
+    @skipUnlessThreadSanitizer
     def test (self):
         self.build ()
         self.tsan_tests ()