SkOnce: let f be any functor, update comments
BUG=
R=bungeman@google.com
Author: mtklein@google.com
Review URL: https://codereview.chromium.org/104433005
git-svn-id: http://skia.googlecode.com/svn/trunk@12518 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/OnceTest.cpp b/tests/OnceTest.cpp
index 31c6a85..d3a0a00 100644
--- a/tests/OnceTest.cpp
+++ b/tests/OnceTest.cpp
@@ -28,6 +28,20 @@
REPORTER_ASSERT(r, 5 == x);
}
+struct AddFour { void operator()(int* x) { *x += 4; } };
+
+DEF_TEST(SkOnce_MiscFeatures, r) {
+ // Tests that we support functors and explicit SkOnceFlags.
+ int x = 0;
+
+ SkOnceFlag once = SK_ONCE_INIT;
+ SkOnce(&once, AddFour(), &x);
+ SkOnce(&once, AddFour(), &x);
+ SkOnce(&once, AddFour(), &x);
+
+ REPORTER_ASSERT(r, 4 == x);
+}
+
static void add_six(int* x) {
*x += 6;
}