@Test
public void testAddition() {
assertEquals(3, Parser.parse("1+2"), 0.0001);
assertEquals(2, Parser.parse("0+2"), 0.0001);
assertEquals(0, Parser.parse("0+0"), 0.0001);
assertEquals(27.34, Parser.parse("16.88+10.46"), 0.00001);
}
@Test
public void testPower() {
assertEquals(1, Parser.parse("3^0"), 0.0001);
assertEquals(3, Parser.parse("3^1"), 0.0001);
assertEquals(9, Parser.parse("3^2"), 0.0001);
assertEquals(27, Parser.parse("3^3"), 0.0001);
}
@Test
public void testMultiplication() {
assertEquals(2, Parser.parse("2*1"), 0.0001);
assertEquals(0, Parser.parse("2*0"), 0.0001);
assertEquals(3, Parser.parse("1*3"), 0.0001);
assertEquals(176.5648, Parser.parse("16.88*10.46"), 0.0001);
}
@Test
public void testSubstraction() {
assertEquals(1, Parser.parse("2-1"), 0.0);
assertEquals(2, Parser.parse("2-0"), 0.0);
assertEquals(-2, Parser.parse("1-3"), 0.0);
assertEquals(6.42, Parser.parse("16.88-10.46"), 0.0001);
}
@Test
public void testWarnings() throws ParseException, TokeniserException {
ArrayList<Warning> warnings = new ArrayList<>();
Policy p1 = Parser.parse("frame-src aaa", "https://origin", warnings);
assertEquals("frame-src aaa", p1.show());
assertEquals(1, warnings.size());
assertEquals(
"The frame-src directive is deprecated as of CSP version 1.1. Authors who wish to govern nested browsing contexts SHOULD use the child-src directive instead.",
warnings.iterator().next().message);
}
@Test
public void testParseTag() {
Element elemento = new Element("p");
Attr atributo = new Attr("name", "parrafo");
Text texto = new Text("texto");
elemento.setAttributeNode(atributo);
elemento.appendChild(texto);
Element elementoAComparar = parser.parse("<p name:\"parrafo\">texto</p>");
assertEquals(elemento, elementoAComparar);
}
@Test
public void testParseMulti() throws ParseException, TokeniserException {
List<Policy> pl;
ArrayList<Warning> warnings;
pl =
Parser.parseMulti(
"script-src a; script-src b, , script-src c; script-src d", "https://origin.com");
assertEquals(2, pl.size());
assertEquals("script-src a", pl.get(0).show());
assertEquals("script-src c", pl.get(1).show());
pl = Parser.parseMulti("script-src a,", URI.parse("https://origin.com"));
assertEquals(2, pl.size());
assertEquals("script-src a", pl.get(0).show());
assertEquals("", pl.get(1).show());
warnings = new ArrayList<>();
pl = Parser.parseMulti("script-src a,", URI.parse("https://origin.com"), warnings);
assertEquals(2, pl.size());
assertEquals("script-src a", pl.get(0).show());
assertEquals("", pl.get(1).show());
assertEquals(0, warnings.size());
warnings = new ArrayList<>();
pl = Parser.parseMulti("script-src a, sandbox", "https://origin.com", warnings);
assertEquals(2, pl.size());
assertEquals("script-src a", pl.get(0).show());
assertEquals("sandbox", pl.get(1).show());
assertEquals(0, warnings.size());
warnings = new ArrayList<>();
pl =
ParserWithLocation.parseMulti(
" plugin-types a/b , script-src 'unsafe-redirect'", "https://origin.com", warnings);
assertEquals(2, pl.size());
assertEquals("plugin-types a/b", pl.get(0).show());
assertEquals("script-src 'unsafe-redirect'", pl.get(1).show());
assertEquals(1, warnings.size());
assertEquals(
"1:36: 'unsafe-redirect' has been removed from CSP as of version 2.0",
warnings.get(0).show());
warnings = new ArrayList<>();
pl =
ParserWithLocation.parseMulti(
"script-src a, frame-src b", URI.parse("https://origin.com"), warnings);
assertEquals(2, pl.size());
assertEquals("script-src a", pl.get(0).show());
assertEquals("frame-src b", pl.get(1).show());
assertEquals(1, warnings.size());
assertEquals(
"1:15: The frame-src directive is deprecated as of CSP version 1.1. Authors who wish to govern nested browsing contexts SHOULD use the child-src directive instead.",
warnings.get(0).show());
try {
pl.clear();
pl = Parser.parseMulti("script-src a,b", "https://origin.com");
fail();
} catch (IllegalArgumentException e1) {
assertEquals(0, pl.size());
assertEquals("Unrecognised directive name: b", e1.getMessage());
}
try {
ParserWithLocation.parse(
"script-src a, script-src b", "https://origin.com", new ArrayList<>());
fail();
} catch (ParseException e1) {
assertEquals(0, pl.size());
assertEquals("1:13: expecting end of policy but found ,", e1.getMessage());
}
try {
Parser.parse("script-src a, script-src b", "https://origin.com");
fail();
} catch (ParseException e1) {
assertEquals(0, pl.size());
assertEquals("expecting end of policy but found ,", e1.getMessage());
}
try {
pl.clear();
pl = ParserWithLocation.parseMulti("allow 'none', options", "https://origin.com");
fail();
} catch (ParseException e1) {
assertEquals(0, pl.size());
assertEquals(
"1:1: The allow directive has been replaced with default-src and is not in the CSP specification.",
e1.getMessage());
}
try {
pl.clear();
pl = ParserWithLocation.parseMulti("allow 'none', referrer", URI.parse("https://origin.com"));
fail();
} catch (ParseException e1) {
assertEquals(0, pl.size());
assertEquals(
"1:1: The allow directive has been replaced with default-src and is not in the CSP specification.",
e1.getMessage());
}
failsToParse("script-src *, ");
}
@Test
public void testNegatives() {
assertEquals(-3, Parser.parse("-3"), 0.0001);
assertEquals(12, Parser.parse("-3*-4"), 0.0001);
assertEquals(-13, Parser.parse("-5+-8"), 0.0001);
}
@Test
public void testOperatorPriority() {
assertEquals(22, Parser.parse("4+3*6"), 0.0001);
assertEquals(9, Parser.parse("4+10/2"), 0.0001);
}
@Test
public void testBracketParsing() {
assertEquals(13, Parser.parse("((2+1)*3)+4"), 0.0001);
assertEquals(-1, Parser.parse("(2-5)/3"), 0.0001);
}
@Test
public void testSpaceStripping() {
assertEquals(3, Parser.parse(" ( 3 ) "), 0.0001);
assertEquals(3, Parser.parse(" ( 2 + 1 ) "), 0.0001);
assertEquals(-3, Parser.parse(" ( 2 - 5 ) "), 0.0001);
}
@Test(expected = IllegalArgumentException.class)
public void testInvalidOpeningBracket() {
Parser.parse("((2+1))");
}
@Test
public void testBracketStripping() {
assertEquals(3, Parser.parse("(2+1)"), 0.0001);
assertEquals(-3, Parser.parse("(2-5)"), 0.0001);
assertEquals(4, Parser.parse("(2*5) - (3*2)"), 0.0001);
}
@Test(expected = IllegalArgumentException.class)
public void testDivisionByZeroAfterManyOperation() {
String zeroFormula = "((((3*4)/2)/2)/3)*(17/3)/(3/17))-1";
assertEquals(0, Parser.parse(zeroFormula), 0.000000001);
Parser.parse("2/" + zeroFormula);
}
@Test(expected = IllegalArgumentException.class)
public void testDivisionByZero() {
Parser.parse("2/0");
}
@Test
public void testDivision() {
assertEquals(2, Parser.parse("2/1"), 0.0001);
assertEquals(0.333333, Parser.parse("1/3"), 0.0001);
assertEquals(1.6137, Parser.parse("16.88/10.46"), 0.0001);
}