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+<!doctype html>
+<title>compressedTexImage2D</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.compressedTexImage2D(gl.TEXTURE_2D, 0, COMPRESSED_RGB_S3TC_DXT1_EXT, 4, 4, 0, new Uint8Array(8));
+ });
+ shouldGenerateGLError(gl, gl.INVALID_ENUM, function() {
+ gl.compressedTexImage2D(gl.TEXTURE_2D, 0, COMPRESSED_RGB_S3TC_DXT1_EXT, 4, 4, 0, new Uint8Array(8), null);
+ });
+ test(function() {
+ assert_throws_js(TypeError, function() {
+ gl.compressedTexImage2D(gl.TEXTURE_2D, 0, COMPRESSED_RGB_S3TC_DXT1_EXT, 4, 4, 0);
+ });
+ }, "Should throw a TypeError when passing too few arguments.");
+});
+</script>