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126 lines
3.0 KiB
JavaScript
126 lines
3.0 KiB
JavaScript
import { Texture } from "../../Source/Cesium.js";
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import { TextureCache } from "../../Source/Cesium.js";
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import createContext from "../createContext.js";
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describe(
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"Renderer/TextureCache",
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function () {
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var context;
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beforeAll(function () {
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context = createContext();
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});
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afterAll(function () {
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context.destroyForSpecs();
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});
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it("adds and removes", function () {
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var cache = new TextureCache();
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var keyword = "texture";
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var texture = new Texture({
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context: context,
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width: 1.0,
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height: 1.0,
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});
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cache.addTexture(keyword, texture);
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expect(cache._textures[keyword].count).toEqual(1);
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expect(cache.numberOfTextures).toEqual(1);
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texture.destroy();
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expect(texture.isDestroyed()).toEqual(false);
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expect(cache.numberOfTextures).toEqual(1);
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cache.destroyReleasedTextures();
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expect(texture.isDestroyed()).toEqual(true);
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expect(cache.numberOfTextures).toEqual(0);
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cache.destroy();
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});
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it("has a cache hit", function () {
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var cache = new TextureCache(context);
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var keyword = "texture";
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var texture = new Texture({
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context: context,
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width: 1.0,
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height: 1.0,
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});
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cache.addTexture(keyword, texture);
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var texture2 = cache.getTexture(keyword);
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expect(texture2).toBeDefined();
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expect(texture).toBe(texture2);
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expect(cache._textures[keyword].count).toEqual(2);
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expect(cache.numberOfTextures).toEqual(1);
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texture.destroy();
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texture2.destroy();
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cache.destroyReleasedTextures();
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expect(texture.isDestroyed()).toEqual(true);
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expect(cache.numberOfTextures).toEqual(0);
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cache.destroy();
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});
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it("avoids thrashing", function () {
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var cache = new TextureCache();
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var keyword = "texture";
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var texture = new Texture({
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context: context,
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width: 1.0,
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height: 1.0,
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});
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cache.addTexture(keyword, texture);
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texture.destroy();
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var texture2 = cache.getTexture(keyword); // still a cache hit
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cache.destroyReleasedTextures(); // does not destroy
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expect(texture.isDestroyed()).toEqual(false);
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expect(texture2.isDestroyed()).toEqual(false);
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texture2.destroy();
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cache.destroyReleasedTextures(); // destroys
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expect(texture.isDestroyed()).toEqual(true);
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expect(texture2.isDestroyed()).toEqual(true);
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cache.destroy();
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});
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it("is destroyed", function () {
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var cache = new TextureCache();
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var keyword = "texture";
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var texture = new Texture({
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context: context,
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width: 1.0,
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height: 1.0,
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});
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cache.addTexture(keyword, texture);
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cache.destroy();
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expect(texture.isDestroyed()).toEqual(true);
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expect(cache.isDestroyed()).toEqual(true);
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});
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it("is not destroyed", function () {
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var cache = new TextureCache();
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expect(cache.isDestroyed()).toEqual(false);
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});
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},
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"WebGL"
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);
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