get-active-test.html

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"use strict";

description("Test of getActiveAttrib and getActiveUniform");

var wtu = WebGLTestUtils;

var context = wtu.create3DContext();

var context2 = wtu.create3DContext();

var program = wtu.loadStandardProgram(context);

var program2 = wtu.loadProgramFromFile(context2,

                           "../../resources/intArrayUniformShader.vert",

                           "../../resources/noopUniformShader.frag");

wtu.glErrorShouldBe(context, context.NO_ERROR);

shouldBe("context.getActiveUniform(program, 0).name", "'u_modelViewProjMatrix'");

shouldBe("context.getActiveUniform(program, 0).type", "context.FLOAT_MAT4");

shouldBe("context.getActiveUniform(program, 0).size", "1");

shouldBeNull("context.getActiveUniform(program, 1)");

wtu.glErrorShouldBe(context, context.INVALID_VALUE);

shouldBeNull("context.getActiveUniform(program, -1)");

wtu.glErrorShouldBe(context, context.INVALID_VALUE);

shouldThrow("context.getActiveUniform(null, 0)");

wtu.glErrorShouldBe(context, context.NO_ERROR);

// we don't know the order the attribs will appear.

var info = [

  context.getActiveAttrib(program, 0),

  context.getActiveAttrib(program, 1)

];

for (var ii = 0; ii < info.length; ++ii)

    shouldBeNonNull("info[ii]");

var expected = [

  { name: 'a_normal', type: context.FLOAT_VEC3, size: 1 },

  { name: 'a_vertex', type: context.FLOAT_VEC4, size: 1 }

];

if (info[0].name != expected[0].name) {

  var t = info[0];

  info[0] = info[1];

  info[1] = t;

for (var ii = 0; ii < info.length; ++ii) {

  shouldBe("info[ii].name", "expected[ii].name");

  shouldBe("info[ii].type", "expected[ii].type");

  shouldBe("info[ii].size", "expected[ii].size");

// we don't know the order the uniforms will appear.

var info2 = [

    context2.getActiveUniform(program2, 0),

    context2.getActiveUniform(program2, 1)

];

for (var ii = 0; ii < info2.length; ++ii)

    shouldBeNonNull("info2[ii]");

var expected2 = [

    { name: 'ival', type: context2.INT, size: 1 },

    { name: 'ival2[0]', type: context2.INT, size: 2 }

];

if (info2[0].name != expected2[0].name) {

    t = info2[0];

    info2[0] = info2[1];

    info2[1] = t;

for (var ii = 0; ii < info2.length; ++ii) {

    shouldBe("info2[ii].name", "expected2[ii].name");

    shouldBe("info2[ii].type", "expected2[ii].type");

    shouldBe("info2[ii].size", "expected2[ii].size");

shouldBeNull("context.getActiveAttrib(program, 2)");

wtu.glErrorShouldBe(context, context.INVALID_VALUE);

shouldBeNull("context.getActiveAttrib(program, -1)");

wtu.glErrorShouldBe(context, context.INVALID_VALUE);

shouldThrow("context.getActiveAttrib(null, 0)");

wtu.glErrorShouldBe(context, context.NO_ERROR);

wtu.glErrorShouldBe(context2, context.NO_ERROR);

debug("Check trying to get attribs from different context");

shouldBeNull("context2.getActiveAttrib(program, 0)");

wtu.glErrorShouldBe(context2, context2.INVALID_OPERATION);

shouldBeNull("context2.getActiveUniform(program, 0)");

wtu.glErrorShouldBe(context2, context2.INVALID_OPERATION);

debug("Check trying to get attribs from deleted program");

context.deleteProgram(program);

shouldBeNull("context.getActiveUniform(program, 0)");

wtu.glErrorShouldBe(context, context.INVALID_VALUE);

shouldBeNull("context.getActiveAttrib(program, 0)");

wtu.glErrorShouldBe(context, context.INVALID_VALUE);

var successfullyParsed = true;

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