fix: should handle each args with 1D array case

example/src/app/app.component.spec.ts

@@ -94,6 +94,15 @@ describe('AppComponent', () => {
     expect(arg2).toBe(2);
   });
 
+  it.each([2])('it.each with 1D array', arg1 => {
+    expect(arg1).toBe(2);
+  });
+
+  (it.each([2]) as any)('it.each with 1D array and done', (arg1, done) => {
+    expect(arg1).toBe(2);
+    done();
+  });
+
   (it.each([[1, 2]]) as any)('it.each with done', (arg1, arg2, done) => {
     expect(arg1).toBe(1);
     expect(arg2).toBe(2);

src/zone-patch/index.js

@@ -109,6 +109,18 @@ const bindTest = originalJestFn =>
   function(...eachArgs) {
     return function(...args) {
       const testBody = args[1];
+      if (
+        testBody.length > 0 &&
+        Array.isArray(eachArgs) &&
+        eachArgs.length > 0 &&
+        eachArgs[0].length > 0
+      ) {
+        // check whether eachArgs is a 1D array
+        if (!Array.isArray(eachArgs[0][0])) {
+          // transfer eachArgs from 1D to 2D array
+          eachArgs = eachArgs.map(row => row.map(a => [a]));
+        }
+      }
       args[1] = wrapTestInZone(args[1], ...eachArgs);
       if (testBody.length > 0 || (eachArgs.length > 0 && eachArgs[0].length > 0)) {
         eachArgs.forEach(row => {