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public class CounterTest { @Test public void value_initializedAtZero() { Counter c = new Counter(); assertTrue(c.value() == 0); }
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assertTrue(c.value() == 0); } @Test public void up_incrementsValue() { Counter c = new Counter(); c.up(); assertTrue(c.value() == 1); }
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assertTrue(c.value() == 1); } @Test public void up_bySpecificValueIncrements() { Counter c = new Counter(); c.up(5); assertTrue(c.value() == 5); }
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assertTrue(c.value() == 5); } @Test public void down_decrementsValue() { Counter c = new Counter(); c.down(); assertTrue(c.value() == -1); }
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assertTrue(c.value() == -1); } @Test public void down_decrementsBySpecificValue() { Counter c = new Counter(); c.down(5); assertTrue(c.value() == -5); }