null-object-behaviour-2.html

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"use strict";

var wtu = WebGLTestUtils;

description("Tests calling WebGL 2 APIs without providing the necessary objects");

var gl = wtu.create3DContext(undefined, undefined, 2);

var shouldGenerateGLError = wtu.shouldGenerateGLError;

for (let nullOrUndefined of [null, undefined]) {

    shouldGenerateGLError(gl, gl.NO_ERROR, `gl.deleteQuery(${nullOrUndefined})`);

    shouldGenerateGLError(gl, gl.NO_ERROR, `gl.isQuery(${nullOrUndefined})`);

    shouldGenerateGLError(gl, gl.NO_ERROR, `gl.deleteSync(${nullOrUndefined})`);

    shouldGenerateGLError(gl, gl.NO_ERROR, `gl.isSync(${nullOrUndefined})`);

    shouldGenerateGLError(gl, gl.NO_ERROR, `gl.deleteTransformFeedback(${nullOrUndefined})`);

    shouldGenerateGLError(gl, gl.NO_ERROR, `gl.isTransformFeedback(${nullOrUndefined})`);

    shouldGenerateGLError(gl, gl.NO_ERROR, `gl.deleteSampler(${nullOrUndefined})`);

    shouldGenerateGLError(gl, gl.NO_ERROR, `gl.isSampler(${nullOrUndefined})`);

    shouldGenerateGLError(gl, gl.NO_ERROR, `gl.deleteVertexArray(${nullOrUndefined})`);

    shouldGenerateGLError(gl, gl.NO_ERROR, `gl.isVertexArray(${nullOrUndefined})`);

    shouldGenerateGLError(gl, gl.NO_ERROR, `gl.bindSampler(0, ${nullOrUndefined})`);

    shouldThrow(`gl.samplerParameteri(${nullOrUndefined}, gl.TEXTURE_MAG_FILTER, gl.NEAREST)`);

    shouldThrow(`gl.samplerParameterf(${nullOrUndefined}, gl.TEXTURE_MAX_LOD, 1)`);

    shouldThrow(`gl.getSamplerParameter(${nullOrUndefined}, gl.TEXTURE_MAX_LOD)`);

    shouldThrow(`gl.waitSync(${nullOrUndefined}, 0, 0)`);

    shouldThrow(`gl.clientWaitSync(${nullOrUndefined}, 0, 0)`);

    shouldThrow(`gl.getSyncParameter(${nullOrUndefined}, gl.OBJECT_TYPE)`);

    shouldGenerateGLError(gl, gl.NO_ERROR, `gl.bindTransformFeedback(gl.TRANSFORM_FEEDBACK, ${nullOrUndefined})`);

    shouldThrow(`gl.transformFeedbackVaryings(${nullOrUndefined}, [], gl.SEPARATE_ATTRIBS)`);

    shouldGenerateGLError(gl, gl.NO_ERROR, `gl.bindVertexArray(${nullOrUndefined})`);

var successfullyParsed = true;

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