| /* ==================================================================== |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You under the Apache License, Version 2.0 |
| (the "License"); you may not use this file except in compliance with |
| the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| ==================================================================== */ |
| |
| package org.apache.poi.ss.formula.functions; |
| |
| import junit.framework.TestCase; |
| |
| import org.apache.poi.ss.formula.eval.AreaEval; |
| import org.apache.poi.ss.formula.eval.BlankEval; |
| import org.apache.poi.ss.formula.eval.BoolEval; |
| import org.apache.poi.ss.formula.eval.ErrorEval; |
| import org.apache.poi.ss.formula.eval.NumberEval; |
| import org.apache.poi.ss.formula.eval.StringEval; |
| import org.apache.poi.ss.formula.eval.ValueEval; |
| |
| /** |
| * Test cases for Excel function T() |
| * |
| * @author Josh Micich |
| */ |
| public final class TestTFunc extends TestCase { |
| |
| /** |
| * @return the result of calling function T() with the specified argument |
| */ |
| private static ValueEval invokeT(ValueEval arg) { |
| ValueEval[] args = { arg, }; |
| ValueEval result = new T().evaluate(args, -1, (short)-1); |
| assertNotNull("result may never be null", result); |
| return result; |
| } |
| /** |
| * Simulates call: T(A1) |
| * where cell A1 has the specified innerValue |
| */ |
| private ValueEval invokeTWithReference(ValueEval innerValue) { |
| ValueEval arg = EvalFactory.createRefEval("$B$2", innerValue); |
| return invokeT(arg); |
| } |
| |
| private static void confirmText(String text) { |
| ValueEval arg = new StringEval(text); |
| ValueEval eval = invokeT(arg); |
| StringEval se = (StringEval) eval; |
| assertEquals(text, se.getStringValue()); |
| } |
| |
| public void testTextValues() { |
| |
| confirmText("abc"); |
| confirmText(""); |
| confirmText(" "); |
| confirmText("~"); |
| confirmText("123"); |
| confirmText("TRUE"); |
| } |
| |
| private static void confirmError(ValueEval arg) { |
| ValueEval eval = invokeT(arg); |
| assertTrue(arg == eval); |
| } |
| |
| public void testErrorValues() { |
| |
| confirmError(ErrorEval.VALUE_INVALID); |
| confirmError(ErrorEval.NA); |
| confirmError(ErrorEval.REF_INVALID); |
| } |
| |
| private static void confirmString(ValueEval eval, String expected) { |
| assertTrue(eval instanceof StringEval); |
| assertEquals(expected, ((StringEval)eval).getStringValue()); |
| } |
| |
| private static void confirmOther(ValueEval arg) { |
| ValueEval eval = invokeT(arg); |
| confirmString(eval, ""); |
| } |
| |
| public void testOtherValues() { |
| confirmOther(new NumberEval(2)); |
| confirmOther(BoolEval.FALSE); |
| confirmOther(BlankEval.instance); // can this particular case be verified? |
| } |
| |
| public void testRefValues() { |
| ValueEval eval; |
| |
| eval = invokeTWithReference(new StringEval("def")); |
| confirmString(eval, "def"); |
| eval = invokeTWithReference(new StringEval(" ")); |
| confirmString(eval, " "); |
| |
| eval = invokeTWithReference(new NumberEval(2)); |
| confirmString(eval, ""); |
| eval = invokeTWithReference(BoolEval.TRUE); |
| confirmString(eval, ""); |
| |
| eval = invokeTWithReference(ErrorEval.NAME_INVALID); |
| assertTrue(eval == ErrorEval.NAME_INVALID); |
| } |
| |
| public void testAreaArg() { |
| ValueEval[] areaValues = new ValueEval[] { |
| new StringEval("abc"), new StringEval("def"), |
| new StringEval("ghi"), new StringEval("jkl"), |
| }; |
| AreaEval ae = EvalFactory.createAreaEval("C10:D11", areaValues); |
| |
| ValueEval ve; |
| ve = invokeT(ae); |
| confirmString(ve, "abc"); |
| |
| areaValues[0] = new NumberEval(5.0); |
| ve = invokeT(ae); |
| confirmString(ve, ""); |
| } |
| } |