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      1 // Copyright 2005, Google Inc.
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     30 // Author: wan (at) google.com (Zhanyong Wan)
     31 
     32 #include "gtest/gtest.h"
     33 #include "sample4.h"
     34 
     35 // Tests the Increment() method.
     36 TEST(Counter, Increment) {
     37   Counter c;
     38 
     39   // EXPECT_EQ() evaluates its arguments exactly once, so they
     40   // can have side effects.
     41 
     42   EXPECT_EQ(0, c.Increment());
     43   EXPECT_EQ(1, c.Increment());
     44   EXPECT_EQ(2, c.Increment());
     45 }
     46