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node_modules/dettle/test/index.js

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+
+/* IMPORT */
+
+import {describe} from 'fava';
+import {debounce, throttle} from '../dist/index.js';
+
+/* MAIN */
+
+describe ( 'Dettle', () => {
+
+  describe ( 'debounce', it => {
+
+    it ( 'debounces function execution', async t => {
+
+      let count = 0;
+      let fn = () => count++;
+      let dfn = debounce ( fn, 100 );
+
+      for ( let i = 0; i < 1000; i++ ) {
+
+        dfn ();
+
+        await t.wait ( 1 );
+
+      }
+
+      await t.wait ( 500 );
+
+      t.is ( count, 1 );
+
+    });
+
+    it ( 'works with a 0 delay', async t => {
+
+      let count = 0;
+      let fn = () => count++;
+      let dfn = debounce ( fn, 0 );
+
+      dfn ();
+
+      await t.wait ( 5 );
+
+      t.is ( count, 1 );
+
+    });
+
+  });
+
+  describe ( 'throttle', it => {
+
+    it ( 'throttles function execution', async t => {
+
+      let count = 0;
+      let fn = () => count++;
+      let tfn = throttle ( fn, 100 );
+
+      for ( let i = 0; i < 1000; i++ ) {
+
+        tfn ();
+
+        await t.wait ( 1 );
+
+      }
+
+      await t.wait ( 500 );
+
+      t.true ( count > 10 );
+
+    });
+
+    it ( 'works with a 0 delay', async t => {
+
+      let count = 0;
+      let fn = () => count++;
+      let tfn = throttle ( fn, 0 );
+
+      tfn ();
+
+      await t.wait ( 5 );
+
+      t.is ( count, 1 );
+
+    });
+
+  });
+
+});