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<!doctype html>
<title>compressedTexSubImage2D</title>
<link rel=author href=mailto:Ms2ger@gmail.com title=Ms2ger>
<link rel=help href=https://www.khronos.org/registry/webgl/specs/latest/#5.14.8>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=common.js></script>
<div id=log></div>
<script>
test(function() {
var COMPRESSED_RGB_S3TC_DXT1_EXT = 0x83F0;
var gl = getGl();
var tex = gl.createTexture();
gl.bindTexture(gl.TEXTURE_2D, tex);
shouldGenerateGLError(gl, gl.INVALID_ENUM, function() {
gl.compressedTexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, 10, 10, COMPRESSED_RGB_S3TC_DXT1_EXT, new Uint8Array(8));
});
shouldGenerateGLError(gl, gl.INVALID_ENUM, function() {
gl.compressedTexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, 10, 10, COMPRESSED_RGB_S3TC_DXT1_EXT, new Uint8Array(8), null);
});
test(function() {
assert_throws(new TypeError(), function() {
gl.compressedTexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, 10, 10, COMPRESSED_RGB_S3TC_DXT1_EXT);
});
}, "Should throw a TypeError when passing too few arguments.");
});
</script>
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