Check offset argument to gpu::gles2::BufferManager::BufferInfo::SetRange is n...

gpu/command_buffer/service/buffer_manager_unittest.cc

Index: gpu/command_buffer/service/buffer_manager_unittest.cc
===================================================================
--- gpu/command_buffer/service/buffer_manager_unittest.cc	(revision 67888)
+++ gpu/command_buffer/service/buffer_manager_unittest.cc	(working copy)
@@ -99,6 +99,8 @@
   EXPECT_TRUE(info->SetRange(sizeof(data), 0, data));
   EXPECT_FALSE(info->SetRange(sizeof(data), 1, data));
   EXPECT_FALSE(info->SetRange(0, sizeof(data) + 1, data));
+  EXPECT_FALSE(info->SetRange(-1, sizeof(data), data));
+  EXPECT_FALSE(info->SetRange(0, -1, data));
 }
 
 TEST_F(BufferManagerTest, GetRange) {
@@ -117,6 +119,8 @@
   EXPECT_EQ(buf + 1, buf1);
   EXPECT_TRUE(info->GetRange(sizeof(data), 1) == NULL);
   EXPECT_TRUE(info->GetRange(0, sizeof(data) + 1) == NULL);
+  EXPECT_TRUE(info->GetRange(-1, sizeof(data)) == NULL);
+  EXPECT_TRUE(info->GetRange(-0, -1) == NULL);
 }
 
 TEST_F(BufferManagerTest, GetMaxValueForRangeUint8) {