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PercolationTest.java
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PercolationTest.java
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import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
class PercolationTest {
@Test
public void init() {
Percolation perc = new Percolation(1);
assertNotNull(perc);
}
@Test
public void initWithZeroThrowsException() {
Exception exception = assertThrows(IllegalArgumentException.class, () -> {
Percolation perc = new Percolation(0);
});
}
@Test
public void initWithNegativeThrowsException() {
Exception exception = assertThrows(IllegalArgumentException.class, () -> {
Percolation perc = new Percolation(-1);
});
}
@Test
public void afterInitSiteIsClosedn1() {
Percolation perc = new Percolation(1);
assertEquals(false, perc.isOpen(1, 1));
}
@Test
public void switchSiteFromOpenToCloseVerifyOpen() {
Percolation perc = new Percolation(1);
assertEquals(false, perc.isOpen(1, 1));
perc.open(1, 1);
assertEquals(true, perc.isOpen(1, 1));
}
@Test
public void switchSiteFromOpenToCloseVerifyOpenN2() {
Percolation perc = new Percolation(2);
assertEquals(false, perc.isOpen(1, 1));
assertEquals(false, perc.isOpen(2, 2));
perc.open(1, 1);
assertEquals(true, perc.isOpen(1, 1));
assertEquals(false, perc.isOpen(2, 2));
perc.open(2, 2);
assertEquals(true, perc.isOpen(1, 1));
assertEquals(true, perc.isOpen(2, 2));
}
@Test
public void switchSiteFromOpenToCloseVerifyOpenNonEqualRowCol() {
Percolation perc = new Percolation(3);
assertEquals(false, perc.isOpen(1, 2));
assertEquals(false, perc.isOpen(2, 1));
perc.open(2, 1);
assertEquals(false, perc.isOpen(1, 2));
assertEquals(true, perc.isOpen(2, 1));
}
@Test
public void numberOfOpenSitesAfterInitIs0() {
Percolation perc = new Percolation(3);
assertEquals(0, perc.numberOfOpenSites());
}
@Test
public void checkOpenSitesAfterSwitch() {
Percolation perc = new Percolation(3);
assertEquals(0, perc.numberOfOpenSites());
perc.open(1, 2);
assertEquals(1, perc.numberOfOpenSites());
}
@Test
public void checkOpenSitesAfterTwoSwitch() {
Percolation perc = new Percolation(3);
assertEquals(0, perc.numberOfOpenSites());
perc.open(1, 2);
assertEquals(1, perc.numberOfOpenSites());
perc.open(2, 1);
assertEquals(2, perc.numberOfOpenSites());
}
@Test
public void closedSiteNotFull() {
Percolation perc = new Percolation(3);
assertEquals(false, perc.isFull(1, 1));
}
@Test
public void closedSiteAtTopNotFull() {
Percolation perc = new Percolation(3);
assertEquals(false, perc.isFull(2, 2));
}
@Test
public void openSiteAtTopIsFull() {
Percolation perc = new Percolation(3);
assertEquals(false, perc.isFull(1, 2));
perc.open(1, 2);
assertEquals(true, perc.isFull(1, 2));
}
@Test
public void openSiteWithStraightLineToTopIsFull2212() {
Percolation perc = new Percolation(3);
assertEquals(false, perc.isFull(2, 2));
perc.open(2, 2);
assertEquals(false, perc.isFull(2, 2));
perc.open(1, 2);
assertEquals(true, perc.isFull(2, 2));
}
@Test
public void windyWayToTopIsFull() {
Percolation perc = new Percolation(3);
assertEquals(false, perc.isFull(3, 3));
perc.open(3, 3);
perc.open(3, 2);
perc.open(2, 2);
perc.open(2, 1);
perc.open(1, 1);
assertEquals(true, perc.isFull(3, 3));
}
@Test
public void oneCellInitDoesNotPerc() {
Percolation perc = new Percolation(1);
assertEquals(false, perc.percolates());
}
@Test
public void oneOpenCellPerc() {
Percolation perc = new Percolation(1);
perc.open(1, 1);
assertEquals(true, perc.percolates());
}
@Test
public void threeCellInitDoesNotPerc() {
Percolation perc = new Percolation(3);
assertEquals(false, perc.percolates());
}
@Test
public void threeCellWithPathPerc() {
Percolation perc = new Percolation(3);
assertEquals(false, perc.percolates());
perc.open(1, 1);
assertEquals(false, perc.percolates());
perc.open(3, 3);
assertEquals(false, perc.percolates());
perc.open(2, 2);
assertEquals(false, perc.percolates());
perc.open(2, 1);
assertEquals(false, perc.percolates());
perc.open(3, 2);
assertEquals(true, perc.percolates());
}
@Test
public void invalidOpenCellTooFarLeft() {
Percolation perc = new Percolation(3);
Exception exception = assertThrows(IllegalArgumentException.class, () -> {
perc.open(1, -1);
});
}
@Test
public void invalidOpenCellTooFarLeft0() {
Percolation perc = new Percolation(3);
Exception exception = assertThrows(IllegalArgumentException.class, () -> {
perc.open(1, 0);
});
}
@Test
public void invalidOpenCellTooFarRight() {
Percolation perc = new Percolation(3);
Exception exception = assertThrows(IllegalArgumentException.class, () -> {
perc.open(1, 4);
});
}
@Test
public void invalidOpenCellTooFarUp() {
Percolation perc = new Percolation(3);
Exception exception = assertThrows(IllegalArgumentException.class, () -> {
perc.open(-1, 1);
});
}
@Test
public void invalidOpenCellTooFarUp0() {
Percolation perc = new Percolation(3);
Exception exception = assertThrows(IllegalArgumentException.class, () -> {
perc.open(0, 1);
});
}
@Test
public void invalidOpenCellTooFarDown() {
Percolation perc = new Percolation(3);
Exception exception = assertThrows(IllegalArgumentException.class, () -> {
perc.open(4, 1);
});
}
@Test
public void invalidFullCellTooFarLeft() {
Percolation perc = new Percolation(3);
Exception exception = assertThrows(IllegalArgumentException.class, () -> {
perc.isFull(1, -1);
});
}
@Test
public void invalidFullCellTooFarLeft0() {
Percolation perc = new Percolation(3);
Exception exception = assertThrows(IllegalArgumentException.class, () -> {
perc.isFull(1, 0);
});
}
@Test
public void invalidFullCellTooFarRight() {
Percolation perc = new Percolation(3);
Exception exception = assertThrows(IllegalArgumentException.class, () -> {
perc.isFull(1, 4);
});
}
@Test
public void invalidFullCellTooFarUp() {
Percolation perc = new Percolation(3);
Exception exception = assertThrows(IllegalArgumentException.class, () -> {
perc.isFull(-1, 1);
});
}
@Test
public void invalidFullCellTooFarUp0() {
Percolation perc = new Percolation(3);
Exception exception = assertThrows(IllegalArgumentException.class, () -> {
perc.isFull(0, 1);
});
}
@Test
public void invalidFullCellTooFarDown() {
Percolation perc = new Percolation(3);
Exception exception = assertThrows(IllegalArgumentException.class, () -> {
perc.isFull(4, 1);
});
}
@Test
public void invalidIsOpenCellTooFarLeft() {
Percolation perc = new Percolation(3);
Exception exception = assertThrows(IllegalArgumentException.class, () -> {
perc.isOpen(1, -1);
});
}
@Test
public void invalidIsOpenCellTooFarLeft0() {
Percolation perc = new Percolation(3);
Exception exception = assertThrows(IllegalArgumentException.class, () -> {
perc.isOpen(1, 0);
});
}
@Test
public void invalidIsOpenCellTooFarRight() {
Percolation perc = new Percolation(3);
Exception exception = assertThrows(IllegalArgumentException.class, () -> {
perc.isOpen(1, 4);
});
}
@Test
public void invalidIsOpenCellTooFarUp() {
Percolation perc = new Percolation(3);
Exception exception = assertThrows(IllegalArgumentException.class, () -> {
perc.isOpen(-1, 1);
});
}
@Test
public void invalidIsOpenCellTooFarUp0() {
Percolation perc = new Percolation(3);
Exception exception = assertThrows(IllegalArgumentException.class, () -> {
perc.isOpen(0, 1);
});
}
@Test
public void invalidIsOpenCellTooFarDown() {
Percolation perc = new Percolation(3);
Exception exception = assertThrows(IllegalArgumentException.class, () -> {
perc.isOpen(4, 1);
});
}
}