TestFormulaParserIf.java
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package org.apache.poi.hssf.model;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
import org.apache.poi.ss.formula.ptg.AddPtg;
import org.apache.poi.ss.formula.ptg.AttrPtg;
import org.apache.poi.ss.formula.ptg.BoolPtg;
import org.apache.poi.ss.formula.ptg.FuncPtg;
import org.apache.poi.ss.formula.ptg.FuncVarPtg;
import org.apache.poi.ss.formula.ptg.IntPtg;
import org.apache.poi.ss.formula.ptg.LessEqualPtg;
import org.apache.poi.ss.formula.ptg.LessThanPtg;
import org.apache.poi.ss.formula.ptg.MultiplyPtg;
import org.apache.poi.ss.formula.ptg.NotEqualPtg;
import org.apache.poi.ss.formula.ptg.Ptg;
import org.apache.poi.ss.formula.ptg.RefPtg;
import org.apache.poi.ss.formula.ptg.StringPtg;
import org.junit.jupiter.api.Test;
/**
* Tests {@code FormulaParser} specifically with respect to IF() functions
*/
final class TestFormulaParserIf {
private static Ptg[] parseFormula(String formula) {
return TestFormulaParser.parseFormula(formula);
}
private static Ptg[] confirmTokenClasses(String formula, Class<?>[] expectedClasses) {
return TestFormulaParser.confirmTokenClasses(formula, expectedClasses);
}
private static void confirmAttrData(Ptg[] ptgs, int i, int expectedData) {
Ptg ptg = ptgs[i];
assertTrue(ptg instanceof AttrPtg, "Token[" + i + "] was not AttrPtg as expected");
AttrPtg attrPtg = (AttrPtg) ptg;
assertEquals(expectedData, attrPtg.getData());
}
@Test
void testSimpleIf() {
Class<?>[] expClss = {
RefPtg.class,
AttrPtg.class, // tAttrIf
IntPtg.class,
AttrPtg.class, // tAttrSkip
IntPtg.class,
AttrPtg.class, // tAttrSkip
FuncVarPtg.class,
};
Ptg[] ptgs = confirmTokenClasses("if(A1,1,2)", expClss);
confirmAttrData(ptgs, 1, 7);
confirmAttrData(ptgs, 3, 10);
confirmAttrData(ptgs, 5, 3);
}
@Test
void testSimpleIfNoFalseParam() {
Class<?>[] expClss = {
RefPtg.class,
AttrPtg.class, // tAttrIf
RefPtg.class,
AttrPtg.class, // tAttrSkip
FuncVarPtg.class,
};
Ptg[] ptgs = confirmTokenClasses("if(A1,B1)", expClss);
confirmAttrData(ptgs, 1, 9);
confirmAttrData(ptgs, 3, 3);
}
@Test
void testIfWithLargeParams() {
Class<?>[] expClss = {
RefPtg.class,
AttrPtg.class, // tAttrIf
RefPtg.class,
IntPtg.class,
MultiplyPtg.class,
RefPtg.class,
IntPtg.class,
AddPtg.class,
FuncPtg.class,
AttrPtg.class, // tAttrSkip
RefPtg.class,
RefPtg.class,
FuncPtg.class,
AttrPtg.class, // tAttrSkip
FuncVarPtg.class,
};
Ptg[] ptgs = confirmTokenClasses("if(A1,round(B1*100,C1+2),round(B1,C1))", expClss);
confirmAttrData(ptgs, 1, 25);
confirmAttrData(ptgs, 9, 20);
confirmAttrData(ptgs, 13, 3);
}
@Test
void testNestedIf() {
Class<?>[] expClss = {
RefPtg.class,
AttrPtg.class, // A tAttrIf
RefPtg.class,
AttrPtg.class, // B tAttrIf
IntPtg.class,
AttrPtg.class, // B tAttrSkip
IntPtg.class,
AttrPtg.class, // B tAttrSkip
FuncVarPtg.class,
AttrPtg.class, // A tAttrSkip
RefPtg.class,
AttrPtg.class, // C tAttrIf
IntPtg.class,
AttrPtg.class, // C tAttrSkip
IntPtg.class,
AttrPtg.class, // C tAttrSkip
FuncVarPtg.class,
AttrPtg.class, // A tAttrSkip
FuncVarPtg.class,
};
Ptg[] ptgs = confirmTokenClasses("if(A1,if(B1,1,2),if(C1,3,4))", expClss);
confirmAttrData(ptgs, 1, 31);
confirmAttrData(ptgs, 3, 7);
confirmAttrData(ptgs, 5, 10);
confirmAttrData(ptgs, 7, 3);
confirmAttrData(ptgs, 9, 34);
confirmAttrData(ptgs, 11, 7);
confirmAttrData(ptgs, 13, 10);
confirmAttrData(ptgs, 15, 3);
confirmAttrData(ptgs, 17, 3);
}
@Test
void testEmbeddedIf() {
Ptg[] ptgs = parseFormula("IF(3>=1,\"*\",IF(4<>1,\"first\",\"second\"))");
assertEquals(17, ptgs.length);
assertEquals(AttrPtg.class, ptgs[5].getClass(), "6th Ptg is not a goto (Attr) ptg");
assertEquals(NotEqualPtg.class, ptgs[8].getClass(), "9th Ptg is not a not equal ptg");
assertEquals(FuncVarPtg.class, ptgs[14].getClass(), "15th Ptg is not the inner IF variable function ptg");
}
@Test
void testSimpleLogical() {
Ptg[] ptgs = parseFormula("IF(A1<A2,B1,B2)");
assertEquals(9, ptgs.length);
assertEquals(LessThanPtg.class, ptgs[2].getClass(), "3rd Ptg is less than");
}
@Test
void testParenIf() {
Ptg[] ptgs = parseFormula("IF((A1+A2)<=3,\"yes\",\"no\")");
assertEquals(12, ptgs.length);
assertEquals(LessEqualPtg.class, ptgs[5].getClass(), "6th Ptg is less than equal");
assertEquals(AttrPtg.class, ptgs[10].getClass(), "11th Ptg is not a goto (Attr) ptg");
}
@Test
void testYN() {
Ptg[] ptgs = parseFormula("IF(TRUE,\"Y\",\"N\")");
assertEquals(7, ptgs.length);
BoolPtg flag = (BoolPtg) ptgs[0];
AttrPtg funif = (AttrPtg) ptgs[1];
StringPtg y = (StringPtg) ptgs[2];
AttrPtg goto1 = (AttrPtg) ptgs[3];
StringPtg n = (StringPtg) ptgs[4];
assertTrue(flag.getValue());
assertEquals("Y", y.getValue());
assertEquals("N", n.getValue());
assertEquals("IF", funif.toFormulaString());
assertTrue(goto1.isSkip(), "tAttrSkip ptg exists");
}
/**
* Make sure the ptgs are generated properly with two functions embedded
*/
@Test
void testNestedFunctionIf() {
Ptg[] ptgs = parseFormula("IF(A1=B1,AVERAGE(A1:B1),AVERAGE(A2:B2))");
assertEquals(11, ptgs.length);
assertTrue((ptgs[3] instanceof AttrPtg), "IF Attr set correctly");
AttrPtg ifFunc = (AttrPtg)ptgs[3];
assertTrue(ifFunc.isOptimizedIf(), "It is not an if");
assertTrue((ptgs[5] instanceof FuncVarPtg), "Average Function set correctly");
}
@Test
void testIfSingleCondition(){
Ptg[] ptgs = parseFormula("IF(1=1,10)");
assertEquals(7, ptgs.length);
assertTrue((ptgs[3] instanceof AttrPtg), "IF Attr set correctly");
AttrPtg ifFunc = (AttrPtg)ptgs[3];
assertTrue(ifFunc.isOptimizedIf(), "It is not an if");
assertTrue((ptgs[4] instanceof IntPtg), "Single Value is not an IntPtg");
IntPtg intPtg = (IntPtg)ptgs[4];
assertEquals((short)10, intPtg.getValue(), "Result");
assertTrue((ptgs[6] instanceof FuncVarPtg), "Ptg is not a Variable Function");
FuncVarPtg funcPtg = (FuncVarPtg)ptgs[6];
assertEquals(2, funcPtg.getNumberOfOperands(), "Arguments");
}
}