objc4-756.2.tar.gz

[apple/objc4.git] / test / cacheflush.m

diff --git a/test/cacheflush.m b/test/cacheflush.m
new file mode 100644 (file)
index 0000000..2bc21ae
--- /dev/null
+++ b/test/cacheflush.m
@@ -0,0 +1,61 @@
+/*
+TEST_BUILD
+    $C{COMPILE} $DIR/cacheflush0.m -o cacheflush0.dylib -dynamiclib
+    $C{COMPILE} $DIR/cacheflush2.m -x none cacheflush0.dylib -o cacheflush2.dylib -dynamiclib
+    $C{COMPILE} $DIR/cacheflush3.m -x none cacheflush0.dylib -o cacheflush3.dylib -dynamiclib
+    $C{COMPILE} $DIR/cacheflush.m  -x none cacheflush0.dylib -o cacheflush.exe
+END
+*/
+
+#include "test.h"
+#include <objc/runtime.h>
+#include <dlfcn.h>
+
+#include "cacheflush.h"
+
+@interface Sub : TestRoot @end
+@implementation Sub @end
+
+
+int main()
+{
+    TestRoot *sup = [TestRoot new];
+    Sub *sub = [Sub new];
+
+    // Fill method cache
+    testassert(1 == [TestRoot classMethod]);
+    testassert(1 == [sup instanceMethod]);
+    testassert(1 == [TestRoot classMethod]);
+    testassert(1 == [sup instanceMethod]);
+
+    testassert(1 == [Sub classMethod]);
+    testassert(1 == [sub instanceMethod]);
+    testassert(1 == [Sub classMethod]);
+    testassert(1 == [sub instanceMethod]);
+
+    // Dynamically load a category
+    dlopen("cacheflush2.dylib", 0);
+
+    // Make sure old cache results are gone
+    testassert(2 == [TestRoot classMethod]);
+    testassert(2 == [sup instanceMethod]);
+
+    testassert(2 == [Sub classMethod]);
+    testassert(2 == [sub instanceMethod]);
+
+    // Dynamically load another category
+    dlopen("cacheflush3.dylib", 0);
+
+    // Make sure old cache results are gone
+    testassert(3 == [TestRoot classMethod]);
+    testassert(3 == [sup instanceMethod]);
+
+    testassert(3 == [Sub classMethod]);
+    testassert(3 == [sub instanceMethod]);
+
+    // fixme test subclasses
+
+    // fixme test objc_flush_caches(), class_addMethod(), class_addMethods()
+
+    succeed(__FILE__);
+}