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Made array arguments readonly. #78

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merged 3 commits into from
Jul 11, 2021
Merged

Made array arguments readonly. #78

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99ffa2a
Made array arguments `readonly`.
Jul 5, 2021
2c0ad19
Added test for ReadonlyArray.
Jul 11, 2021
1899b24
Added test for ReadonlyArray.
Jul 11, 2021
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4 changes: 2 additions & 2 deletions src/lib/assertion/expect.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,7 @@ class Expect {
* @param expected Expected array.
* @param message Custom assertion failure message.
*/
public arraysToBeEqual<T extends unknown[]>(actual: T, expected: T, message?: string) {
public arraysToBeEqual<T extends readonly unknown[]>(actual: T, expected: T, message?: string) {
if (actual.length !== expected.length)
throw new ExpectationError(message || `Expected sequences to be equal, but their lenghts were different.`);

Expand Down Expand Up @@ -219,7 +219,7 @@ class Expect {
* @param array Array in which the given item is expected to be.
* @param message Custom assertion failure message.
*/
public toBeIn<T>(item: T, array: T[], message?: string) {
public toBeIn<T>(item: T, array: readonly T[], message?: string) {
const isIn = array.find((x) => x === item);
if (this.notFlag ? isIn : !isIn) {
throw new ExpectationError(
Expand Down