test: add test for higher coverage

Author: chenesan

packages/expect/src/__tests__/__snapshots__/toThrowMatchers.test.ts.snap

@@ -95,6 +95,15 @@ Received function did not throw
 Returned: undefined
 `;
 
+exports[`toThrow error class did not throw at all with a promise 1`] = `
+<d>expect(</><r>received</><d>).</>toThrow<d>(</><g>expected</><d>)</>
+
+<b>Matcher error</>: <r>received</> value must be a function
+
+Received has type:  object
+Received has value: <r>{}</>
+`;
+
 exports[`toThrow error class threw, but class did not match (error) 1`] = `
 <d>expect(</><r>received</><d>).</>toThrow<d>(</><g>expected</><d>)</>
 
@@ -234,6 +243,15 @@ Received function did not throw
 Returned: undefined
 `;
 
+exports[`toThrow regexp did not throw at all with a promise 1`] = `
+<d>expect(</><r>received</><d>).</>toThrow<d>(</><g>expected</><d>)</>
+
+<b>Matcher error</>: <r>received</> value must be a function
+
+Received has type:  object
+Received has value: <r>{}</>
+`;
+
 exports[`toThrow regexp threw, but message did not match (error) 1`] = `
 <d>expect(</><r>received</><d>).</>toThrow<d>(</><g>expected</><d>)</>
 
@@ -277,6 +295,15 @@ Received function did not throw
 Returned: undefined
 `;
 
+exports[`toThrow substring did not throw with a promise 1`] = `
+<d>expect(</><r>received</><d>).</>toThrow<d>(</><g>expected</><d>)</>
+
+<b>Matcher error</>: <r>received</> value must be a function
+
+Received has type:  object
+Received has value: <r>{}</>
+`;
+
 exports[`toThrow substring threw, but message did not match (error) 1`] = `
 <d>expect(</><r>received</><d>).</>toThrow<d>(</><g>expected</><d>)</>
 

packages/expect/src/__tests__/toThrowMatchers.test.ts

@@ -50,6 +50,12 @@ describe('toThrow', () => {
       ).toThrowErrorMatchingSnapshot();
     });
 
+    test('did not throw with a promise', () => {
+      expect(() =>
+        jestExpect(Promise.resolve('banana')).toThrow('apple'),
+      ).toThrowErrorMatchingSnapshot();
+    });
+
     test('threw, but message did not match (error)', () => {
       expect(() => {
         jestExpect(() => {
@@ -108,6 +114,12 @@ describe('toThrow', () => {
       ).toThrowErrorMatchingSnapshot();
     });
 
+    test('did not throw at all with a promise', () => {
+      expect(() =>
+        jestExpect(Promise.resolve('banana')).toThrow(/apple/),
+      ).toThrowErrorMatchingSnapshot();
+    });
+
     test('threw, but message did not match (error)', () => {
       expect(() => {
         jestExpect(() => {
@@ -187,6 +199,12 @@ describe('toThrow', () => {
       ).toThrowErrorMatchingSnapshot();
     });
 
+    test('did not throw at all with a promise', () => {
+      expect(() =>
+        jestExpect(Promise.resolve()).toThrow(Err),
+      ).toThrowErrorMatchingSnapshot();
+    });
+
     test('threw, but class did not match (error)', () => {
       expect(() => {
         jestExpect(() => {