From 35ae65d5d04dc3fc75a635c90c5aa9bb1eda3812 Mon Sep 17 00:00:00 2001
From: Herb Derby <herb@google.com>
Date: Fri, 11 Aug 2017 14:00:50 -0400
Subject: SkSafeMath for tracking size_t overflow

Do multiply (mul) and add while tracking that the
calculation does not overflow, which can be checked with
ok().

The new unit test shows a couple examples.

Author:  Herb Derby <herb@google.com>
Change-Id: I7e67671d2488d67f21d47d9618736a6bae8f23c3
Reviewed-on: https://skia-review.googlesource.com/33721
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Herb Derby <herb@google.com>
---
 gn/tests.gni | 1 +
 1 file changed, 1 insertion(+)

(limited to 'gn')

diff --git a/gn/tests.gni b/gn/tests.gni
index 26bdc94745..c2f3759cd2 100644
--- a/gn/tests.gni
+++ b/gn/tests.gni
@@ -191,6 +191,7 @@ tests_sources = [
   "$_tests/RoundRectTest.cpp",
   "$_tests/RRectInPathTest.cpp",
   "$_tests/RTreeTest.cpp",
+  "$_tests/SafeMathTest.cpp",
   "$_tests/ScalarTest.cpp",
   "$_tests/ScaleToSidesTest.cpp",
   "$_tests/SerializationTest.cpp",
-- 
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