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<link rel="stylesheet" href="../../../resources/glsl-feature-tests.css" />
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<script id="fragmentShader" type="text/something-not-javascript">
precision mediump float;
struct S { $(type) t; };
void main() {
    S a;
    a.t = $(initializer);
    S b = $(operator)a;   // Unary operators not allowed
    gl_FragColor = $(fragColor);
}
</script>
<script>
"use strict";
description("This test verifies that unary operators +, ++, -, --, !, and ~ do not work on structures. Per the spec, field selectors, equality and assignment are the only operators allowed on structures.");
var tests = [];
var wtu = WebGLTestUtils;
var operators = ['+', '++', '-', '--', '!', '~']
var typeInfos = [
    { type: 'float',    initializer: '1.0',                         fragColor: 'vec4(0.0, b.t, 0.0, 1.0)' },
    { type: 'vec2',     initializer: 'vec2(0.0, 1.0)',              fragColor: 'vec4(b.t, 0.0, 1.0)' },
    { type: 'vec3',     initializer: 'vec3(0.0, 1.0, 0.0)',         fragColor: 'vec4(b.t, 1.0)' },
    { type: 'vec4',     initializer: 'vec4(0.0, 1.0, 0.0, 1.0)',    fragColor: 'b.t' },
    { type: 'int',      initializer: '1',                           fragColor: 'vec4(0.0, b.t, 0.0, 1.0)' },
    { type: 'ivec2',    initializer: 'ivec2(0, 1)',                 fragColor: 'vec4(b.t, 0.0, 1.0)' },
    { type: 'ivec3',    initializer: 'ivec3(0, 1, 0)',              fragColor: 'vec4(b.t, 1.0)' },
    { type: 'ivec4',    initializer: 'ivec4(0, 1, 0, 1)',           fragColor: 'vec4(b.t)' },
    { type: 'bool',     initializer: 'true',                        fragColor: 'vec4(0.0, b.t, 0.0, 1.0)' },
    { type: 'bvec2',    initializer: 'bvec2(false, true)',          fragColor: 'vec4(b.t, 0.0, 1.0)' },
    { type: 'bvec3',    initializer: 'bvec3(false, true, false)',   fragColor: 'vec4(b.t, 1.0)' },
    { type: 'bvec4',    initializer: 'bvec4(false,true,false,true)',fragColor: 'vec4(b.t)' },
];
operators.forEach(function (operator) {
    typeInfos.forEach(function (typeInfo) {
        var replaceParams = {
            initializer: typeInfo.initializer,
            type: typeInfo.type,
            fragColor: typeInfo.fragColor,
            operator: operator,
        };
        tests.push({
            fShaderSource: wtu.replaceParams(wtu.getScript('fragmentShader'), replaceParams),
            passMsg: 'Unary operator ' + operator + ' cannot be used on a struct with a ' + typeInfo.type,
            fShaderSuccess: false,
            linkSuccess: false
        });
    });
});
GLSLConformanceTester.runTests(tests);
var successfullyParsed = true;
</script>
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