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Copyright (c) 2019 The Khronos Group Inc.
Use of this source code is governed by an MIT-style license that can be
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<script type="application/javascript" src="../unit.js"></script>
<script type="application/javascript" src="../util.js"></script>
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Tests.startUnit = function () {
  var canvas = document.getElementById('gl');
  var gl = wrapGLContext(getGLContext(canvas));
  return [gl];
}

Tests.testIs = function(gl) {
    var tex = loadTexture(gl, document.getElementById('2d'));
    gl.bindTexture(gl.TEXTURE_2D, tex);
    var fbo = new FBO(gl, 1, 1);
    fbo.use();
    var prog = gl.createProgram();
    var sh1 = gl.createShader(gl.VERTEX_SHADER);
    var sh2 = gl.createShader(gl.FRAGMENT_SHADER);
    var buf = gl.createBuffer();
    gl.bindBuffer(gl.ARRAY_BUFFER, buf);
    assert("tex", gl.isTexture(tex));
    assert("fbo", gl.isFramebuffer(fbo.fbo));
    assert("rbo", gl.isRenderbuffer(fbo.rbo));
    assert("prog", gl.isProgram(prog));
    assert("sh1", gl.isShader(sh1));
    assert("sh2", gl.isShader(sh2));
    assert("buf", gl.isBuffer(buf));
    gl.deleteTexture(tex);
    gl.deleteFramebuffer(fbo.fbo);
    gl.deleteRenderbuffer(fbo.rbo);
    gl.deleteProgram(prog);
    gl.deleteShader(sh1);
    gl.deleteShader(sh2);
    gl.deleteBuffer(buf);
    // NOTE: we purposely do not unbind things.
    assert("tex", !gl.isTexture(tex));
    assert("fbo", !gl.isFramebuffer(fbo.fbo));
    assert("rbo", !gl.isRenderbuffer(fbo.rbo));
    assert("prog", !gl.isProgram(prog));
    assert("sh1", !gl.isShader(sh1));
    assert("sh2", !gl.isShader(sh2));
    assert("buf", !gl.isBuffer(buf));
}

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</head><body>
  <canvas id="gl" width="1" height="1"></canvas>
  <canvas id="2d" width="16" height="16"></canvas>
</body></html>
