1cb93a386Sopenharmony_ci
2cb93a386Sopenharmony_ciout vec4 sk_FragColor;
3cb93a386Sopenharmony_ciuniform float unknownInput;
4cb93a386Sopenharmony_civec4 main() {
5cb93a386Sopenharmony_ci    bool b = bool(unknownInput);
6cb93a386Sopenharmony_ci    bvec4 b4 = bvec4(b);
7cb93a386Sopenharmony_ci    b4 = bvec4(bvec2(b), false, true);
8cb93a386Sopenharmony_ci    b4 = bvec4(false, b, true, false);
9cb93a386Sopenharmony_ci    b4 = bvec4(false, b, false, b);
10cb93a386Sopenharmony_ci    return vec4(b4);
11cb93a386Sopenharmony_ci}
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