Add Equal test comparing nil with non-nil

assert/assertions_test.go

@@ -199,6 +199,10 @@ func TestEqual(t *testing.T) {
 	if !Equal(mockT, &struct{}{}, &struct{}{}) {
 		t.Error("Equal should return true (pointer equality is based on equality of underlying value)")
 	}
+	var m map[string]interface{}
+	if Equal(mockT, m["bar"], "something") {
+		t.Error("Equal should return false")
+	}
 }
 
 // bufferT implements TestingT. Its implementation of Errorf writes the output that would be produced by
@@ -250,8 +254,8 @@ func TestEqualFormatting(t *testing.T) {
 		msgAndArgs []interface{}
 		want       string
 	}{
-		{equalWant:"want", equalGot: "got", want: "\tassertions.go:[0-9]+: \r                          \r\tError Trace:\t\n\t\t\r\tError:      \tNot equal: \n\t\t\r\t            \texpected: \"want\"\n\t\t\r\t            \treceived: \"got\"\n"},
-		{equalWant:"want", equalGot: "got", msgAndArgs: []interface{}{"hello, %v!", "world"}, want: "\tassertions.go:[0-9]+: \r                          \r\tError Trace:\t\n\t\t\r\tError:      \tNot equal: \n\t\t\r\t            \texpected: \"want\"\n\t\t\r\t            \treceived: \"got\"\n\t\t\r\tMessages:   \thello, world!\n"},
+		{equalWant: "want", equalGot: "got", want: "\tassertions.go:[0-9]+: \r                          \r\tError Trace:\t\n\t\t\r\tError:      \tNot equal: \n\t\t\r\t            \texpected: \"want\"\n\t\t\r\t            \treceived: \"got\"\n"},
+		{equalWant: "want", equalGot: "got", msgAndArgs: []interface{}{"hello, %v!", "world"}, want: "\tassertions.go:[0-9]+: \r                          \r\tError Trace:\t\n\t\t\r\tError:      \tNot equal: \n\t\t\r\t            \texpected: \"want\"\n\t\t\r\t            \treceived: \"got\"\n\t\t\r\tMessages:   \thello, world!\n"},
 	} {
 		mockT := &bufferT{}
 		Equal(mockT, currCase.equalWant, currCase.equalGot, currCase.msgAndArgs...)