52 lines
1.6 KiB
Java
52 lines
1.6 KiB
Java
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package ch.usi.inf.sp.dom;
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import ch.usi.inf.sp.cfg.BasicBlock;
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import java.util.List;
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import static org.junit.jupiter.api.Assertions.*;
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/**
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* These are static methods used in unit tests to assert properties on DominatorTrees.
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*/
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public class DominatorTreeAssertions {
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public static void assertAllNodesMapToTheirBlocks(DominatorTree t) {
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for (DominatorTreeNode n : t.getNodes()) {
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assertSame(n, t.getNodeForBlock(n.getBlock()));
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}
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}
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public static void assertNodesHaveCorrectNumberOfParents(DominatorTree t) {
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for (DominatorTreeNode node : t.getNodes()) {
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if (node==t.getRoot()) {
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assertEquals(0, node.getInEdges().size());
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} else {
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assertEquals(1, node.getInEdges().size());
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}
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}
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}
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public static void assertChildrenPointToParent(DominatorTree t) {
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for (DominatorTreeNode parent : t.getNodes()) {
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for (DominanceEdge e : parent.getOutEdges()) {
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DominatorTreeNode child = e.getTo();
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assertSame(parent, child.getInEdges().get(0).getFrom());
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}
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}
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}
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public static void assertPathToRoot(DominatorTree t, List<BasicBlock> pathToRoot) {
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DominatorTreeNode child = null;
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for (BasicBlock b: pathToRoot) {
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DominatorTreeNode node = t.getNodeForBlock(b);
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assertSame(b, node.getBlock());
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if (child!=null) {
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assertEquals(b, child.getInEdges().get(0).getFrom().getBlock());
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}
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child = node;
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}
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}
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}
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