swc/crates/swc_css_minifier/tests/fixture/compress-animation/input.css

.foo {
    animation-name: "none", "unset", "foo bar";
}
.foo {
    animation-name: "none", foo;
}
.foo {
    animation-name: none, none;
}

/* Test CSS-wide keywords */
.foo {
    animation-name: "inherit";
}
.foo {
    animation-name: "initial";
}
.foo {
    animation-name: "unset";
}
.foo {
    animation-name: "revert";
}
.foo {
    animation-name: "revert-layer";
}
.foo {
    animation-name: "default";
}
.foo {
    animation-name: foo, "revert";
}
.foo {
    animation-name: "string", "revert";
}
.foo {
    animation-name: "string", foo, "revert";
}

/* Test animation shorthand */
.foo {
    animation: none;
}

.foo {
    animation: "none";
}

.foo {
    animation: "None";
}

.foo {
    animation: "none", none;
}

.foo {
    animation: none, none;
}

.foo {
    animation: "none" none;
}

.foo {
    animation: none none;
}

.foo {
    animation: ease ease 2s;
}

/* Test animation-name + animation-fill-mode */
.foo {
    animation: "none" 2s both;
}

.foo {
    animation: both "none" 2s;
}

.foo {
    animation: "none" 2s none;
}

.foo {
    animation: none "none" 2s;
}

.foo {
    animation: none, "none" 2s forwards;
}

.foo {
    animation: "unset";
}

.foo {
    animation: "string" .5s;
}

.foo {
    animation: "unset" .5s;
}

.foo {
    animation: none, "unset" .5s;
}

.foo {
    animation: "unset" 0s 3s infinite, none;
}

.foo {
    animation: 2s ease ease;
}

.foo {
    animation: 3s alternate reverse;
}