public void testToExpressionString() throws Exception {
// Build sum(4-2)
ExprMathNode arithNodeChild = new ExprMathNode(MathArithTypeEnum.SUBTRACT, false, false);
arithNodeChild.addChildNode(new SupportExprNode(4));
arithNodeChild.addChildNode(new SupportExprNode(2));
sumNode = new ExprSumNode(false, false);
sumNode.addChildNode(arithNodeChild);
assertEquals("sum((4-2))", sumNode.toExpressionString());
}
public void testValidate() {
// Must have exactly 1 subnodes
try {
sumNode.validate(ExprValidationContextFactory.makeEmpty());
fail();
} catch (ExprValidationException ex) {
// Expected
}
// Must have only number-type subnodes
sumNode.addChildNode(new SupportExprNode(String.class));
sumNode.addChildNode(new SupportExprNode(Integer.class));
try {
sumNode.validate(ExprValidationContextFactory.makeEmpty());
fail();
} catch (ExprValidationException ex) {
// Expected
}
}
public void testGetType() throws Exception {
sumNode.addChildNode(new SupportExprNode(Integer.class));
SupportExprNodeFactory.validate3Stream(sumNode);
assertEquals(Integer.class, sumNode.getType());
sumNode = new ExprSumNode(false, false);
sumNode.addChildNode(new SupportExprNode(Float.class));
SupportExprNodeFactory.validate3Stream(sumNode);
assertEquals(Float.class, sumNode.getType());
sumNode = new ExprSumNode(false, false);
sumNode.addChildNode(new SupportExprNode(Short.class));
SupportExprNodeFactory.validate3Stream(sumNode);
assertEquals(Integer.class, sumNode.getType());
}
private ExprSumNode makeNode(Object value, Class type) throws Exception {
ExprSumNode sumNode = new ExprSumNode(false, false);
sumNode.addChildNode(new SupportExprNode(value, type));
SupportExprNodeFactory.validate3Stream(sumNode);
return sumNode;
}
public void testEqualsNode() throws Exception {
assertTrue(sumNode.equalsNode(sumNode));
assertFalse(sumNode.equalsNode(new ExprOrNode()));
}
