private CssFunctionNode createRgbFunctionNode(String r, String g, String b) {
CssFunctionNode function =
new CssFunctionNode(CssFunctionNode.Function.byName("rgb"), null /* sourceCodeLocation */);
List<CssValueNode> values = Lists.newArrayList();
values.add(createNumericNode(r));
values.add(createNumericNode(g));
values.add(createNumericNode(b));
CssFunctionArgumentsNode args = new CssFunctionArgumentsNode(values);
function.setArguments(args);
return function;
}
public void testParseRgbArgumentsBadArgs() {
CssFunctionNode function =
new CssFunctionNode(CssFunctionNode.Function.byName("rgb"), null /* sourceCodeLocation */);
List<CssValueNode> values = Lists.newArrayList();
values.add(createNumericNode("0"));
CssFunctionArgumentsNode args = new CssFunctionArgumentsNode(values);
function.setArguments(args);
try {
ColorValueOptimizer.parseRgbArguments(function);
fail("Too few arguments to rgb function; should have thrown.");
} catch (NumberFormatException expected) {
// Exception is expected.
}
}