Add tests for boolean functions and tighten up error handling
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@ -38,12 +38,15 @@ import java.util.Properties;
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import org.json.JSONException;
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import org.json.JSONWriter;
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import com.google.refine.expr.EvalError;
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import com.google.refine.grel.ControlFunctionRegistry;
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import com.google.refine.grel.Function;
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public class And implements Function {
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@Override
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public Object call(Properties bindings, Object[] args) {
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if (args.length == 2 && args[0] instanceof Boolean && args[1] instanceof Boolean) {
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for (Object o : args) {
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if (!Not.objectToBoolean(o)) {
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return false;
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@ -51,6 +54,8 @@ public class And implements Function {
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}
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return true;
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}
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return new EvalError(ControlFunctionRegistry.getFunctionName(this) + " expects two booleans");
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}
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@Override
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public void write(JSONWriter writer, Properties options)
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@ -46,7 +46,7 @@ public class Not implements Function {
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@Override
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public Object call(Properties bindings, Object[] args) {
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if (args.length == 1) {
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if (args.length == 1 && args[0] instanceof Boolean) {
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return !objectToBoolean(args[0]);
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}
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return new EvalError(ControlFunctionRegistry.getFunctionName(this) + " expects a boolean");
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@ -38,12 +38,15 @@ import java.util.Properties;
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import org.json.JSONException;
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import org.json.JSONWriter;
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import com.google.refine.expr.EvalError;
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import com.google.refine.grel.ControlFunctionRegistry;
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import com.google.refine.grel.Function;
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public class Or implements Function {
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@Override
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public Object call(Properties bindings, Object[] args) {
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if (args.length == 2 && args[0] instanceof Boolean && args[1] instanceof Boolean) {
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for (Object o : args) {
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if (Not.objectToBoolean(o)) {
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return true;
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@ -51,6 +54,8 @@ public class Or implements Function {
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}
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return false;
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}
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return new EvalError(ControlFunctionRegistry.getFunctionName(this) + " expects two booleans");
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}
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@Override
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public void write(JSONWriter writer, Properties options)
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@ -0,0 +1,178 @@
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/*
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Copyright 2013, Thomas F. Morris
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following disclaimer
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in the documentation and/or other materials provided with the
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distribution.
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* Neither the name of Google Inc. nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package com.google.refine.tests.expr.functions.booleans;
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import static org.mockito.Mockito.mock;
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import java.io.File;
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import java.io.IOException;
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import java.util.Properties;
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import org.json.JSONObject;
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import org.slf4j.LoggerFactory;
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import org.testng.Assert;
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import org.testng.annotations.AfterMethod;
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import org.testng.annotations.BeforeMethod;
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import org.testng.annotations.BeforeTest;
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import org.testng.annotations.Test;
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import com.google.refine.ProjectManager;
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import com.google.refine.ProjectMetadata;
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import com.google.refine.browsing.Engine;
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import com.google.refine.expr.EvalError;
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import com.google.refine.grel.ControlFunctionRegistry;
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import com.google.refine.grel.Function;
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import com.google.refine.io.FileProjectManager;
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import com.google.refine.model.Cell;
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import com.google.refine.model.Column;
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import com.google.refine.model.ModelException;
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import com.google.refine.model.Project;
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import com.google.refine.model.Row;
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import com.google.refine.tests.RefineTest;
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import com.google.refine.tests.util.TestUtils;
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public class BooleanTests extends RefineTest {
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private static String TRUTH_TABLE[][] = {
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{"and","true","true","true"},
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{"and","false","false","false"},
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{"and","true","false","false"},
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{"and","false","true","false"},
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{"or","true","true","true"},
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{"or","false","false","false"},
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{"or","true","false","true"},
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{"or","false","true","true"},
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{"xor","true","true","false"},
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{"xor","false","false","false"},
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{"xor","true","false","true"},
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{"xor","false","true","true"},
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};
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static Properties bindings;
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Project project;
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Properties options;
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JSONObject engine_config;
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Engine engine;
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@Override
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@BeforeTest
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public void init() {
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logger = LoggerFactory.getLogger(this.getClass());
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}
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@BeforeMethod
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public void SetUp() throws IOException, ModelException {
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bindings = new Properties();
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File dir = TestUtils.createTempDirectory("openrefine-test-workspace-dir");
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FileProjectManager.initialize(dir);
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project = new Project();
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ProjectMetadata pm = new ProjectMetadata();
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pm.setName("TNG Test Project");
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ProjectManager.singleton.registerProject(project, pm);
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int index = project.columnModel.allocateNewCellIndex();
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Column column = new Column(index,"Column A");
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project.columnModel.addColumn(index, column, true);
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options = mock(Properties.class);
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bindings.put("project", project);
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// Five rows of a's and five of 1s
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for (int i = 0; i < 10; i++) {
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Row row = new Row(1);
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row.setCell(0, new Cell(i < 5 ? "a":new Integer(1), null));
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project.rows.add(row);
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}
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}
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@AfterMethod
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public void TearDown() {
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bindings = null;
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}
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/**
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* Lookup a control function by name and invoke it with a variable number of args
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*/
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private static Object invoke(String name,Object... args) {
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// registry uses static initializer, so no need to set it up
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Function function = ControlFunctionRegistry.getFunction(name);
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if (function == null) {
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throw new IllegalArgumentException("Unknown function "+name);
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}
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if (args == null) {
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return function.call(bindings,new Object[0]);
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} else {
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return function.call(bindings,args);
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}
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}
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@Test
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public void testInvalidParams() {
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for (String op : new String[] {"and","or","xor"}) {
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Assert.assertTrue(invoke(op) instanceof EvalError);
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Assert.assertTrue(invoke(op, Boolean.TRUE, Boolean.TRUE, Boolean.TRUE) instanceof EvalError);
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Assert.assertTrue(invoke(op, Boolean.TRUE, Integer.valueOf(1)) instanceof EvalError);
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Assert.assertTrue(invoke(op, Integer.valueOf(1), Boolean.TRUE) instanceof EvalError);
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Assert.assertTrue(invoke(op, Boolean.TRUE,"foo") instanceof EvalError);
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Assert.assertTrue(invoke(op, "foo", Boolean.TRUE) instanceof EvalError);
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Assert.assertTrue(invoke(op, Boolean.TRUE) instanceof EvalError);
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}
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String op = "not";
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Assert.assertTrue(invoke(op) instanceof EvalError);
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Assert.assertTrue(invoke(op, Boolean.TRUE,Boolean.TRUE) instanceof EvalError);
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Assert.assertTrue(invoke(op, Integer.valueOf(1)) instanceof EvalError);
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Assert.assertTrue(invoke(op, "foo") instanceof EvalError);
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}
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@Test
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public void testBinary() {
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for (String[] test : TRUTH_TABLE) {
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String operator = test[0];
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Boolean op1 = Boolean.valueOf(test[1]);
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Boolean op2 = Boolean.valueOf(test[2]);
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Boolean result = Boolean.valueOf(test[3]);
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Assert.assertEquals(invoke(operator, op1, op2),result);
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}
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Assert.assertEquals(invoke("not", Boolean.TRUE),Boolean.FALSE);
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Assert.assertEquals(invoke("not", Boolean.FALSE),Boolean.TRUE);
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}
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}
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