Add node tests

test/node/ol/geom/flat/deflate.test.js

@@ -0,0 +1,55 @@
+import expect from '../../../expect.js';
+import {
+  deflateCoordinates,
+  deflateCoordinatesArray,
+} from '../../../../../src/ol/geom/flat/deflate.js';
+
+describe('ol/geom/flat/deflate.js', function () {
+  describe('deflateCoordinates', function () {
+    let flatCoordinates;
+    beforeEach(function () {
+      flatCoordinates = [];
+    });
+
+    it('flattens coordinates', function () {
+      const offset = deflateCoordinates(
+        flatCoordinates,
+        0,
+        [
+          [1, 2],
+          [3, 4],
+        ],
+        2
+      );
+      expect(offset).to.be(4);
+      expect(flatCoordinates).to.eql([1, 2, 3, 4]);
+    });
+  });
+
+  describe('deflateCoordinatesArray', function () {
+    let flatCoordinates;
+    beforeEach(function () {
+      flatCoordinates = [];
+    });
+
+    it('flattens arrays of coordinates', function () {
+      const ends = deflateCoordinatesArray(
+        flatCoordinates,
+        0,
+        [
+          [
+            [1, 2],
+            [3, 4],
+          ],
+          [
+            [5, 6],
+            [7, 8],
+          ],
+        ],
+        2
+      );
+      expect(ends).to.eql([4, 8]);
+      expect(flatCoordinates).to.eql([1, 2, 3, 4, 5, 6, 7, 8]);
+    });
+  });
+});