brouter/brouter-expressions/src/test/java/btools/expressions/ConstantOptimizerTest.java

50 lines
1.9 KiB
Java

package btools.expressions;
import org.junit.Assert;
import org.junit.Test;
import java.io.File;
import java.util.Random;
import java.util.Map;
import java.util.HashMap;
public class ConstantOptimizerTest {
@Test
public void compareOptimizerModesTest() {
File lookupFile = new File(getClass().getResource("/lookups_test.dat").getPath());
File profileFile = new File(getClass().getResource("/profile_test.brf").getPath());
BExpressionMetaData meta1 = new BExpressionMetaData();
BExpressionMetaData meta2 = new BExpressionMetaData();
BExpressionContext expctx1 = new BExpressionContextWay(meta1);
BExpressionContext expctx2 = new BExpressionContextWay(meta2);
expctx2.skipConstantExpressionOptimizations = true;
Map<String, String> keyValue = new HashMap<>();
keyValue.put("global_inject1", "5");
keyValue.put("global_inject2", "6");
keyValue.put("global_inject3", "7");
meta1.readMetaData(lookupFile);
meta2.readMetaData(lookupFile);
expctx1.parseFile(profileFile, "global", keyValue);
expctx2.parseFile(profileFile, "global", keyValue);
float d = 0.0001f;
Assert.assertEquals(5f, expctx1.getVariableValue("global_inject1", 0f), d);
Assert.assertEquals(9f, expctx1.getVariableValue("global_inject2", 0f), d); // should be modified in 2. assign!
Assert.assertEquals(7f, expctx1.getVariableValue("global_inject3", 0f), d);
Assert.assertEquals(3f, expctx1.getVariableValue("global_inject4", 3f), d); // un-assigned
Assert.assertTrue("expected far less exporessions nodes if optimized", expctx2.expressionNodeCount - expctx1.expressionNodeCount >= 311-144);
Random rnd = new Random(17464); // fixed seed for unit test...
for (int i = 0; i < 10000; i++) {
int[] data = expctx1.generateRandomValues(rnd);
expctx1.evaluate(data);
expctx2.evaluate(data);
expctx1.assertAllVariablesEqual(expctx2);
}
}
}