Back to project page TipCalculator.
The source code is released under:
Apache License
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package camp.androidboot.tipcalculator; /* w w w .j a va 2s.c o m*/ import android.test.ActivityInstrumentationTestCase2; import android.test.TouchUtils; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; public class TipCalculatorActivityInstrumentationTest extends ActivityInstrumentationTestCase2<TipCalculatorActivity> { private static final double TIP1 = 0.15; private static final double TIP2 = 0.20; private static final double TIP3 = 0.25; private TipCalculatorActivity activity; private EditText billAmountField; private Button tip1Button; private Button tip2Button; private Button tip3Button; private TextView tipAmountUi; private TextView totalAmountUi; public TipCalculatorActivityInstrumentationTest() { super(TipCalculatorActivity.class); } @Override public void setUp() throws Exception { super.setUp(); activity = getActivity(); billAmountField = (EditText) activity.findViewById(R.id.bill_amount); tip1Button = (Button) activity.findViewById(R.id.tip1_button); tip2Button = (Button) activity.findViewById(R.id.tip2_button); tip3Button = (Button) activity.findViewById(R.id.tip3_button); tipAmountUi = (TextView) activity.findViewById(R.id.tip_amount); totalAmountUi = (TextView) activity.findViewById(R.id.total_amount); } public void testTipAndTotalCalculation() throws Exception { double[] billAmounts = new double[] { 0, 0.99, 5.33, 10.75, 50, 98.99, 125, 1059.33 }; for (final double billAmount : billAmounts) { String expectedTip1 = activity.getString(R.string.amount_format, billAmount * TIP1); String expectedTip2 = activity.getString(R.string.amount_format, billAmount * TIP2); String expectedTip3 = activity.getString(R.string.amount_format, billAmount * TIP3); String expectedTotal1 = activity.getString(R.string.amount_format, billAmount * TIP1 + billAmount); String expectedTotal2 = activity.getString(R.string.amount_format, billAmount * TIP2 + billAmount); String expectedTotal3 = activity.getString(R.string.amount_format, billAmount * TIP3 + billAmount); activity.runOnUiThread(new Runnable() { @Override public void run() { billAmountField.setText(String.valueOf(billAmount)); } }); TouchUtils.clickView(this, tip1Button); assertEquals(expectedTip1, tipAmountUi.getText().toString()); assertEquals(expectedTotal1, totalAmountUi.getText().toString()); TouchUtils.clickView(this, tip2Button); assertEquals(expectedTip2, tipAmountUi.getText().toString()); assertEquals(expectedTotal2, totalAmountUi.getText().toString()); TouchUtils.clickView(this, tip3Button); assertEquals(expectedTip3, tipAmountUi.getText().toString()); assertEquals(expectedTotal3, totalAmountUi.getText().toString()); } } }