Merge pull request #9989 from ePirat/epirat-fix-uscore-prefix-detection

Fix underscore detection

1 files changed, 27 insertions, 1 deletions

diff --git a/unittests/allplatformstests.py b/unittests/allplatformstests.py
index 8a7fcd7..67c50e7 100644
--- a/unittests/allplatformstests.py
+++ b/unittests/allplatformstests.py
@@ -60,7 +60,7 @@ from mesonbuild.scripts import destdir_join
 from mesonbuild.wrap.wrap import PackageDefinition, WrapException
 
 from run_tests import (
-    Backend, exe_suffix, get_fake_env
+    Backend, exe_suffix, get_fake_env, get_convincing_fake_env_and_cc
 )
 
 from .baseplatformtests import BasePlatformTests
@@ -1546,6 +1546,32 @@ class AllPlatformTests(BasePlatformTests):
             self.build()
             self.run_tests()
 
+    def test_underscore_prefix_detection_list(self) -> None:
+        '''
+        Test the underscore detection hardcoded lookup list
+        against what was detected in the binary.
+        '''
+        env, cc = get_convincing_fake_env_and_cc(self.builddir, self.prefix)
+        expected_uscore = cc._symbols_have_underscore_prefix_searchbin(env)
+        list_uscore = cc._symbols_have_underscore_prefix_list(env)
+        if list_uscore is not None:
+            self.assertEqual(list_uscore, expected_uscore)
+        else:
+            raise SkipTest('No match in underscore prefix list for this platform.')
+
+    def test_underscore_prefix_detection_define(self) -> None:
+        '''
+        Test the underscore detection based on compiler-defined preprocessor macro
+        against what was detected in the binary.
+        '''
+        env, cc = get_convincing_fake_env_and_cc(self.builddir, self.prefix)
+        expected_uscore = cc._symbols_have_underscore_prefix_searchbin(env)
+        define_uscore = cc._symbols_have_underscore_prefix_define(env)
+        if define_uscore is not None:
+            self.assertEqual(define_uscore, expected_uscore)
+        else:
+            raise SkipTest('Did not find the underscore prefix define __USER_LABEL_PREFIX__')
+
     @skipIfNoPkgconfig
     def test_pkgconfig_static(self):
         '''