From 5f574ded814525931c6adc71448437581cdf07b5 Mon Sep 17 00:00:00 2001
From: freek <freek@spatie.be>
Date: Wed, 28 Jul 2021 00:36:43 +0200
Subject: [PATCH 1/3] add toBeIn

---
 src/Expectation.php              | 10 ++++++++++
 tests/Features/Expect/toBeIn.php | 11 +++++++++++
 2 files changed, 21 insertions(+)
 create mode 100644 tests/Features/Expect/toBeIn.php

diff --git a/src/Expectation.php b/src/Expectation.php
index e41f21d0..2e92434e 100644
--- a/src/Expectation.php
+++ b/src/Expectation.php
@@ -371,6 +371,16 @@ final class Expectation
         return $this;
     }
 
+    /**
+     * Asserts that the value is one of the given values.
+     */
+    public function toBeIn(array $possibleValues): Expectation
+    {
+        Assert::assertContains($this->value, $possibleValues);
+
+        return $this;
+    }
+
     /**
      * Asserts that the value is infinite.
      */
diff --git a/tests/Features/Expect/toBeIn.php b/tests/Features/Expect/toBeIn.php
new file mode 100644
index 00000000..3d34f46a
--- /dev/null
+++ b/tests/Features/Expect/toBeIn.php
@@ -0,0 +1,11 @@
+<?php
+
+use PHPUnit\Framework\ExpectationFailedException;
+
+test('passes', function () {
+    expect('a')->toBeIn(['a', 'b', 'c']);
+});
+
+test('failures', function () {
+    expect('d')->toBeIn(['a', 'b', 'c']);
+})->throws(ExpectationFailedException::class);

From 2dd77001b7cc8f2824a5ee2b5d754831212e440b Mon Sep 17 00:00:00 2001
From: freek <freek@spatie.be>
Date: Wed, 28 Jul 2021 00:42:54 +0200
Subject: [PATCH 2/3] static analysis fix

---
 src/Expectation.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Expectation.php b/src/Expectation.php
index 2e92434e..e32a8683 100644
--- a/src/Expectation.php
+++ b/src/Expectation.php
@@ -373,6 +373,8 @@ final class Expectation
 
     /**
      * Asserts that the value is one of the given values.
+     *
+     * @param array<int, int|string> $possibleValues
      */
     public function toBeIn(array $possibleValues): Expectation
     {

From 671f3df115bcf5bcba67c59ed3a635abe0ebf755 Mon Sep 17 00:00:00 2001
From: freek <freek@spatie.be>
Date: Wed, 28 Jul 2021 01:00:19 +0200
Subject: [PATCH 3/3] fix tests

---
 src/Expectation.php              | 6 +++---
 tests/Features/Expect/toBeIn.php | 5 +++++
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/Expectation.php b/src/Expectation.php
index e32a8683..e76a30bd 100644
--- a/src/Expectation.php
+++ b/src/Expectation.php
@@ -374,11 +374,11 @@ final class Expectation
     /**
      * Asserts that the value is one of the given values.
      *
-     * @param array<int, int|string> $possibleValues
+     * @param iterable<int|string, mixed> $values
      */
-    public function toBeIn(array $possibleValues): Expectation
+    public function toBeIn(iterable $values): Expectation
     {
-        Assert::assertContains($this->value, $possibleValues);
+        Assert::assertContains($this->value, $values);
 
         return $this;
     }
diff --git a/tests/Features/Expect/toBeIn.php b/tests/Features/Expect/toBeIn.php
index 3d34f46a..6636a51b 100644
--- a/tests/Features/Expect/toBeIn.php
+++ b/tests/Features/Expect/toBeIn.php
@@ -4,8 +4,13 @@ use PHPUnit\Framework\ExpectationFailedException;
 
 test('passes', function () {
     expect('a')->toBeIn(['a', 'b', 'c']);
+    expect('d')->not->toBeIn(['a', 'b', 'c']);
 });
 
 test('failures', function () {
     expect('d')->toBeIn(['a', 'b', 'c']);
 })->throws(ExpectationFailedException::class);
+
+test('not failures', function () {
+    expect('a')->not->toBeIn(['a', 'b', 'c']);
+})->throws(ExpectationFailedException::class);