public void testParseRgbArgumentsOutOfRange() {
// Surprisingly, these are valid according to W3C and should be clamped
// to valid values.
CssFunctionNode function = createRgbFunctionNode("1", "1", "300");
assertEquals("#0101ff", ColorValueOptimizer.parseRgbArguments(function));
function = createRgbFunctionNode("-10", "1", "1");
assertEquals("#000101", ColorValueOptimizer.parseRgbArguments(function));
}
public void testRunPass() {
MutatingVisitController visitController = createMock(MutatingVisitController.class);
ColorValueOptimizer pass = new ColorValueOptimizer(visitController);
visitController.startVisit(pass);
replay(visitController);
pass.runPass();
verify(visitController);
}
public void testEnterValueNode2() {
CssPropertyNode prop = new CssPropertyNode("color", null);
CssPropertyValueNode value = new CssPropertyValueNode();
BackDoorNodeMutation.addChildToBack(value, new CssHexColorNode("#123344", null));
CssDeclarationNode decl = new CssDeclarationNode(prop);
decl.setPropertyValue(value);
CssRulesetNode ruleset = new CssRulesetNode();
CssSelectorNode sel = new CssSelectorNode("foo", null);
ruleset.addSelector(sel);
ruleset.addDeclaration(decl);
CssBlockNode body = new CssBlockNode(false);
BackDoorNodeMutation.addChildToBack(body, ruleset);
CssRootNode root = new CssRootNode(body);
CssTree tree = new CssTree(null, root);
ColorValueOptimizer pass = new ColorValueOptimizer(tree.getMutatingVisitController());
pass.runPass();
assertEquals(tree.getRoot().getBody().toString(), "[[foo]{[color:[#123344]]}]");
}
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.
}
}
public void testParseRgbArguments() {
CssFunctionNode function = createRgbFunctionNode("0", "15", "255");
assertEquals("#000fff", ColorValueOptimizer.parseRgbArguments(function));
function = createRgbFunctionNode("0%", "50%", "100%");
assertEquals("#0080ff", ColorValueOptimizer.parseRgbArguments(function));
}
public void testShortenHex() {
assertEquals("#000", ColorValueOptimizer.shortenHexString("#000000"));
assertEquals("#0a2", ColorValueOptimizer.shortenHexString("#00aa22"));
}
public void testCanShortenHex() {
assertTrue(ColorValueOptimizer.canShortenHexString("#000000"));
assertTrue(ColorValueOptimizer.canShortenHexString("#00aa22"));
assertFalse(ColorValueOptimizer.canShortenHexString("#000001"));
assertFalse(ColorValueOptimizer.canShortenHexString("#000"));
}
