Add unit tests related to issues/7941

jestjs · Feb 22, 2019 · 405decc · 405decc
1 parent c16b71e
commit 405decc
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Showing 2 changed files with 16 additions and 0 deletions.
diff --git a/packages/expect/src/__tests__/__snapshots__/matchers.test.js.snap b/packages/expect/src/__tests__/__snapshots__/matchers.test.js.snap
@@ -2013,6 +2013,13 @@ Expected: <green>-0</>
 Received: <red>0</>"
 `;
 
+exports[`.toEqual() {pass: false} expect(0).toEqual(5e-324) 1`] = `
+"<dim>expect(</><red>received</><dim>).toEqual(</><green>expected</><dim>)</>
+
+Expected: <green>5e-324</>
+Received: <red>0</>"
+`;
+
 exports[`.toEqual() {pass: false} expect(1).not.toEqual(1) 1`] = `
 "<dim>expect(</><red>received</><dim>).</>not<dim>.toEqual(</><green>expected</><dim>)</>
 
@@ -2034,6 +2041,13 @@ Expected: <green>ArrayContaining [1, 2]</>
 Received: <red>1</>"
 `;
 
+exports[`.toEqual() {pass: false} expect(5e-324).toEqual(0) 1`] = `
+"<dim>expect(</><red>received</><dim>).toEqual(</><green>expected</><dim>)</>
+
+Expected: <green>0</>
+Received: <red>5e-324</>"
+`;
+
 exports[`.toEqual() {pass: false} expect(Immutable.List [1, 2]).not.toEqual(Immutable.List [1, 2]) 1`] = `
 "<dim>expect(</><red>received</><dim>).</>not<dim>.toEqual(</><green>expected</><dim>)</>
 

diff --git a/packages/expect/src/__tests__/matchers.test.js b/packages/expect/src/__tests__/matchers.test.js
@@ -344,6 +344,8 @@ describe('.toEqual()', () => {
     [true, false],
     [1, 2],
     [0, -0],
+    [0, Number.MIN_VALUE], // issues/7941
+    [Number.MIN_VALUE, 0],
     [{a: 5}, {b: 6}],
     ['banana', 'apple'],
     [null, undefined],