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- /* ====================================================================
- 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.*;
-
- /**
- * 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 = invokeT(ae);
- confirmString(ve, "abc");
-
- areaValues[0] = new NumberEval(5.0);
- ve = invokeT(ae);
- confirmString(ve, "");
- }
- }
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