Merge 4a3a33a into 5d5ef9b

hustcc · Mar 7, 2018 · 5356ef8 · 5356ef8
2 parents 5d5ef9b + 4a3a33a
commit 5356ef8
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diff --git a/__tests__/index.js b/__tests__/index.js
@@ -24,6 +24,11 @@ describe('canvas', () => {
     expect(canvas.getContext('webgl')).toEqual({});
   });
 
+  test('canvas.toDataURL returns an empty string', () => {
+    const canvas = document.createElement('canvas');
+    expect(canvas.toDataURL()).toEqual('');
+  });
+
   test('ctx.functions', () => {
     const canvas = document.createElement('canvas');
     const ctx = canvas.getContext('2d');

diff --git a/src/canvas.js b/src/canvas.js
@@ -9,6 +9,7 @@ const createCanvas = () => {
   const div = document.createElement('div'); // use div to mock it's api
 
   div.getContext = param => param === '2d' ? createContext2d('2d', div) : {};
+  div.toDataURL = () => '';
   return div;
 };