File	Doc	Category	Size	Date	Package
FractionTest.java	API Doc	Android 1.5 API	3929	Wed May 06 22:42:02 BST 2009	com.android.unit_tests.content

FractionTest

• java.lang.Object
  • android.test.AndroidTestCase

Fields Summary
private android.content.res.Resources	mResources
private final android.util.TypedValue	mValue

Constructors Summary

Methods Summary
protected void	setUp() super.setUp(); mResources = mContext.getResources();
public void	testFractions() tryFraction(R.dimen.frac100perc, 1, 1, 1); tryFraction(R.dimen.frac1perc, 1, 1, .01f); tryFraction(R.dimen.fracp1perc, 1, 1, .001f); tryFraction(R.dimen.fracp01perc, 1, 1, .0001f); tryFraction(R.dimen.frac0perc, 1, 1, 0); tryFraction(R.dimen.frac1p1perc, 1, 1, .011f); tryFraction(R.dimen.frac100p1perc, 1, 1, 1.001f); tryFraction(R.dimen.frac25510perc, 1, 1, 255.1f); tryFraction(R.dimen.frac25610perc, 1, 1, 256.1f); tryFraction(R.dimen.frac6553510perc, 1, 1, 65535.1f); tryFraction(R.dimen.frac6553610perc, 1, 1, 65536.1f); tryFraction(R.dimen.frac100perc, 100, 1, 100); tryFraction(R.dimen.frac1perc, 100, 1, .01f * 100); tryFraction(R.dimen.fracp1perc, 100, 1, .001f * 100); tryFraction(R.dimen.fracp01perc, 100, 1, .0001f * 100); tryFraction(R.dimen.frac0perc, 100, 1, 0); tryFraction(R.dimen.frac1p1perc, 100, 1, .011f * 100); tryFraction(R.dimen.frac100p1perc, 100, 1, 1.001f * 100); tryFraction(R.dimen.frac25510perc, 100, 1, 255.1f * 100); tryFraction(R.dimen.frac25610perc, 100, 1, 256.1f * 100); tryFraction(R.dimen.frac6553510perc, 100, 1, 65535.1f * 100); tryFraction(R.dimen.frac6553610perc, 100, 1, 65536.1f * 100); tryFraction(R.dimen.frac100pperc, 100, 2, 2); tryFraction(R.dimen.frac1pperc, 100, 2, .01f * 2); tryFraction(R.dimen.fracp1pperc, 100, 2, .001f * 2); tryFraction(R.dimen.fracp01pperc, 100, 2, .0001f * 2); tryFraction(R.dimen.frac0pperc, 100, 2, 0); tryFraction(R.dimen.frac1p1pperc, 100, 2, .011f * 2); tryFraction(R.dimen.frac100p1pperc, 100, 2, 1.001f * 2); tryFraction(R.dimen.frac25510pperc, 100, 2, 255.1f * 2); tryFraction(R.dimen.frac25610pperc, 100, 2, 256.1f * 2); tryFraction(R.dimen.frac6553510pperc, 100, 2, 65535.1f * 2); tryFraction(R.dimen.frac6553610pperc, 100, 2, 65536.1f * 2);
private void	tryFraction(int resid, float base, float pbase, float expected) mResources.getValue(resid, mValue, true); float res = mValue.getFraction(base, pbase); float diff = Math.abs(expected - res); float prec = expected * 1e-4f; if (prec < 1e-5f) { prec = 1e-5f; } //System.out.println( // "Res 0x" + Integer.toHexString(resid) + ": got=" + res // + ", expected=" + expected + ", diff=" + diff); assertFalse("Expecting value " + expected + " got " + res + ": in resource 0x" + Integer.toHexString(resid) + " " + mValue, diff > prec);