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<title>WebGL GLSL Conformance Tests - sampler operands</title>
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<script>
// ESSL(1.00, 3.00, 3.10) section 4.1.7
// Except for array indexing, structure field selection, and
// parentheses, samplers are not allowed to be operands in expressions.
</script>

<script id="samplerAdding" type="x-shader/x-fragment">
// This covers an ANGLE bug.
// See https://bugs.chromium.org/p/angleproject/issues/detail?id=2028.
uniform sampler2D s1;
uniform sampler2D s2;
void main() {
    s1 + s2;
}
</script>

<script>
"use strict";
GLSLConformanceTester.runTests([
    { fShaderId: 'samplerAdding',
      fShaderSuccess: false,
      linkSuccess: false,
      passMsg: 'Adding on samplers should fail'
    },
]);

var successfullyParsed = true;
</script>
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