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package com.vaadin.tests.server.component.slider;
import static org.hamcrest.CoreMatchers.containsString;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.core.Is.is;
import static org.junit.Assert.fail;
import org.junit.Test;
import com.vaadin.ui.Slider;
public class SliderTest {
@Test
public void minCannotBeLargerThanMax() {
Slider slider = new Slider();
slider.setMax(100);
slider.setMin(101);
assertThat(slider.getMin(), is(101.0));
assertThat(slider.getMax(), is(101.0));
}
@Test
public void maxCannotBeSmallerThanMin() {
Slider slider = new Slider();
slider.setMin(50);
slider.setMax(10);
assertThat(slider.getMax(), is(10.0));
assertThat(slider.getMin(), is(10.0));
}
@Test
public void valueOutOfBoundsExceptionMessageContainsBounds() {
Slider slider = new Slider();
try {
slider.setValue(-1.0);
} catch (Slider.ValueOutOfBoundsException e) {
assertThat(e.getMessage(), containsString(
"Value -1.0 is out of bounds: [0.0, 100.0]"));
}
}
@Test
public void valueIsSet() {
Slider slider = new Slider();
slider.setValue(5.0);
assertThat(slider.getValue(), is(5.0));
}
@Test
public void valueCannotBeOutOfBounds() {
Slider s = new Slider(0, 10);
try {
s.setValue(20.0);
fail("Should throw out of bounds exception");
} catch (Slider.ValueOutOfBoundsException e) {
// TODO: handle exception
}
}
@Test
public void valueCanHaveLargePrecision() {
Slider slider = new Slider();
slider.setResolution(20);
slider.setValue(99.01234567891234567890123456789);
assertThat(slider.getValue(), is(99.01234567891234567890123456789));
}
@Test
public void doublesCanBeUsedAsLimits() {
Slider slider = new Slider(1.5, 2.5, 1);
assertThat(slider.getMin(), is(1.5));
assertThat(slider.getValue(), is(1.5));
assertThat(slider.getMax(), is(2.5));
}
@Test
public void valuesGreaterThanIntMaxValueCanBeUsed() {
double minValue = (double) Integer.MAX_VALUE + 1;
Slider s = new Slider(minValue, minValue + 1, 0);
assertThat(s.getValue(), is(minValue));
}
@Test
public void negativeValuesCanBeUsed() {
Slider slider = new Slider(-0.7, 1.0, 0);
slider.setValue(-0.4);
assertThat(slider.getValue(), is(-0.0));
}
@Test
public void boundariesAreRounded() {
Slider slider = new Slider(1.5, 2.5, 0);
slider.setValue(1.0);
assertThat(slider.getValue(), is(1.0));
assertThat(slider.getMin(), is(1.0));
assertThat(slider.getMax(), is(2.0));
}
@Test
public void valueWithSmallerPrecisionCanBeUsed() {
Slider slider = new Slider(0, 100, 10);
slider.setValue(1.2);
assertThat(slider.getValue(), is(1.2));
}
@Test
public void valueWithLargerPrecisionCanBeUsed() {
Slider slider = new Slider(0, 100, 2);
slider.setValue(1.2345);
assertThat(slider.getValue(), is(1.23));
}
}
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