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peteroupcpeteroupc
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add unit tests
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‎tests/tests.html‎

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<meta charset=utf-8>
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<div id=log></div>
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<script src="../glutil_min.js"></script>
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<script src="tests.js"></script>
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<script>
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test();
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if(FailedTests==0){
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clog("All tests passed");
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}
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</script>

‎tests/tests.js‎

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// Adapted from public domain Mozilla unit tests
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var EPSILON = 0.00001
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var FailedTests = 0;
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function clog(x){
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if(document){
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var div=document.getElementById("log")
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if(div){
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div.innerHTML+=x+"<br>"
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} else {
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console.log(x)
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}
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} else {
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console.log(x)
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}
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}
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function info(x){
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clog(x)
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}
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function ok(a,b){
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if(!a){
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FailedTests++;
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clog(b)
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}
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}
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function is(a,b,c){
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if(a==b){
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info("expected "+b+", got "+a)
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clog(b)
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}
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}
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function isApprox(num1, num2, delta) {
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if (Math.abs(num1 - num2) > (delta || EPSILON)) {
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info("isApprox expected " + num1 + ", got " + num2 + " instead.");
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return false;
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}
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return true;
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}
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function isApproxVec(vec1, vec2, delta) {
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vec1 = Array.prototype.slice.call(vec1);
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vec2 = Array.prototype.slice.call(vec2);
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if (vec1.length !== vec2.length) {
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return false;
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}
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for (var i = 0, len = vec1.length; i < len; i++) {
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if (!isApprox(vec1[i], vec2[i], delta)) {
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info("isApproxVec expected [" + vec1 + "], got [" + vec2 + "] instead.");
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return false;
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}
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}
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return true;
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}
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function isEqualVec(vec1, vec2) {
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vec1 = Array.prototype.slice.call(vec1);
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vec2 = Array.prototype.slice.call(vec2);
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if (vec1.length !== vec2.length) {
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return false;
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}
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for (var i = 0, len = vec1.length; i < len; i++) {
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if (vec1[i] !== vec2[i]) {
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info("isEqualVec expected [" + vec1 + "], got [" + vec2 + "] instead.");
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return false;
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}
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}
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return true;
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}
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function test(){
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ok(isApproxVec(GLUtil.toGLColor("#f00"), [1, 0, 0, 1]),
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"The hex2rgba() function didn't calculate the 1st rgba values correctly.");
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ok(isApproxVec(GLUtil.toGLColor("#ff0000"), [1, 0, 0, 1]),
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"The hex2rgba() function didn't calculate the 3rd rgba values correctly.");
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ok(isApproxVec(GLUtil.toGLColor("rgba(255, 0, 0, 0.5)"), [1, 0, 0, 0.5]),
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"The hex2rgba() function didn't calculate the 5th rgba values correctly.");
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ok(isApproxVec(GLUtil.toGLColor("rgb(255, 0, 0)"), [1, 0, 0, 1]),
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"The hex2rgba() function didn't calculate the 6th rgba values correctly.");
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var m1 = ([
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1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]);
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var m2 = ([
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0, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15, 4, 8, 12, 16]);
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m1=GLMath.mat4multiply(m1, m2);
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ok(isApproxVec(m1, [
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275, 302, 329, 356, 304, 336, 368, 400,
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332, 368, 404, 440, 360, 400, 440, 480
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]), "The mat4.multiply() function didn't set the values correctly.");
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m1=GLMath.mat4translate(m1, [1, 2, 3]);
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ok(isApproxVec(m1, [
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275, 302, 329, 356, 304, 336, 368, 400,
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332, 368, 404, 440, 2239, 2478, 2717, 2956
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]), "The mat4.translate() function didn't set the values correctly.");
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m1=GLMath.mat4scale(m1, [1, 2, 3]);
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ok(isApproxVec(m1, [
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275, 302, 329, 356, 608, 672, 736, 800,
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996, 1104, 1212, 1320, 2239, 2478, 2717, 2956
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]), "The mat4.scale() function didn't set the values correctly.");
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m1=GLMath.mat4rotate(0.5, [1, 1, 1]);
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ok(isApproxVec(m1, [
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210.6123046875, 230.2483367919922, 249.88438415527344, 269.5204162597656,
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809.8145751953125, 896.520751953125, 983.2268676757812,
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1069.9329833984375, 858.5731201171875, 951.23095703125,
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1043.8887939453125, 1136.5465087890625, 2239, 2478, 2717, 2956
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]), "The mat4.rotate() function didn't set the values correctly.");
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m1=GLMath.mat4rotate(0.5,1,0,0);
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ok(isApproxVec(m1, [
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210.6123046875, 230.2483367919922, 249.88438415527344, 269.5204162597656,
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1122.301025390625, 1242.8154296875, 1363.3297119140625,
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1483.843994140625, 365.2230224609375, 404.96875, 444.71453857421875,
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484.460205078125, 2239, 2478, 2717, 2956
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]), "The mat4.rotateX() function didn't set the values correctly.");
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m1=GLMath.mat4rotate( 0.5,0,1,0);
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ok(isApproxVec(m1, [
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9.732441902160645, 7.909564018249512, 6.086670875549316,
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4.263822555541992, 1122.301025390625, 1242.8154296875, 1363.3297119140625,
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1483.843994140625, 421.48626708984375, 465.78045654296875,
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510.0746765136719, 554.3687744140625, 2239, 2478, 2717, 2956
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]), "The mat4.rotateY() function didn't set the values correctly.");
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m1=GLMath.mat4rotate(0.5,0,0,1);
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ok(isApproxVec(m1, [
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546.6007690429688, 602.7787475585938, 658.9566650390625, 715.1345825195312,
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980.245849609375, 1086.881103515625, 1193.5162353515625,
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1300.1514892578125, 421.48626708984375, 465.78045654296875,
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510.0746765136719, 554.3687744140625, 2239, 2478, 2717, 2956
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]), "The mat4.rotateZ() function didn't set the values correctly.");
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var m3 = GLMath.mat4frustum(0, 100, 200, 0, 0.1, 100);
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ok(isApproxVec(m3, [
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0.0020000000949949026, 0, 0, 0, 0, -0.0010000000474974513, 0, 0, 1, -1,
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-1.0020020008087158, -1, 0, 0, -0.20020020008087158, 0
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]), "The mat4.frustum() function didn't compute the values correctly.");
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var m4 = GLMath.mat4perspective(45, 1.6, 0.1, 100);
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ok(isApproxVec(m4, [1.5088834762573242, 0, 0, 0, 0, 2.4142136573791504, 0,
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0, 0, 0, -1.0020020008087158, -1, 0, 0, -0.20020020008087158, 0
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]), "The mat4.frustum() function didn't compute the values correctly.");
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var m5 = GLMath.mat4ortho(0, 100, 200, 0, -1, 1);
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ok(isApproxVec(m5, [
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0.019999999552965164, 0, 0, 0, 0, -0.009999999776482582, 0, 0,
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0, 0, -1, 0, -1, 1, 0, 1
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]), "The mat4.ortho() function didn't compute the values correctly.");
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var m6 = GLMath.mat4lookat([1, 2, 3], [4, 5, 6], [0, 1, 0]);
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ok(isApproxVec(m6, [
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-0.7071067690849304, -0.40824830532073975, -0.5773502588272095, 0, 0,
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0.8164966106414795, -0.5773502588272095, 0, 0.7071067690849304,
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-0.40824830532073975, -0.5773502588272095, 0, -1.4142135381698608, 0,
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3.464101552963257, 1
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]), "The mat4.lookAt() function didn't compute the values correctly.");
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}

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