From ba1f7a43c24eee23c5c38d9b582954f996fcefa0 Mon Sep 17 00:00:00 2001
From: AlexandruGG <alex.gidei@goodlord.co>
Date: Sat, 3 Jul 2021 19:08:19 +0100
Subject: [PATCH 1/3] Add SpreadRemoval Mutator

---
 resources/schema.json                         |   1 +
 src/Mutator/Operator/SpreadRemoval.php        |  99 +++++++++++++
 src/Mutator/ProfileList.php                   |   2 +
 .../Mutator/Operator/SpreadRemovalTest.php    | 139 ++++++++++++++++++
 4 files changed, 241 insertions(+)
 create mode 100644 src/Mutator/Operator/SpreadRemoval.php
 create mode 100644 tests/phpunit/Mutator/Operator/SpreadRemovalTest.php

diff --git a/resources/schema.json b/resources/schema.json
index bc3067d1c..08f670140 100644
--- a/resources/schema.json
+++ b/resources/schema.json
@@ -324,6 +324,7 @@
                 "This": { "$ref": "#/definitions/default-mutator-config" },
                 "Spaceship": { "$ref": "#/definitions/default-mutator-config" },
                 "Spread": { "$ref": "#/definitions/default-mutator-config" },
+                "SpreadRemoval": { "$ref": "#/definitions/default-mutator-config" },
                 "Foreach_": { "$ref": "#/definitions/default-mutator-config" },
                 "For_": { "$ref": "#/definitions/default-mutator-config" },
                 "DoWhile": { "$ref": "#/definitions/default-mutator-config" },
diff --git a/src/Mutator/Operator/SpreadRemoval.php b/src/Mutator/Operator/SpreadRemoval.php
new file mode 100644
index 000000000..7a92a8347
--- /dev/null
+++ b/src/Mutator/Operator/SpreadRemoval.php
@@ -0,0 +1,99 @@
+<?php
+/**
+ * This code is licensed under the BSD 3-Clause License.
+ *
+ * Copyright (c) 2017, Maks Rafalko
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ *
+ * * Neither the name of the copyright holder nor the names of its
+ *   contributors may be used to endorse or promote products derived from
+ *   this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+declare(strict_types=1);
+
+namespace Infection\Mutator\Operator;
+
+use Infection\Mutator\Definition;
+use Infection\Mutator\GetMutatorName;
+use Infection\Mutator\Mutator;
+use Infection\Mutator\MutatorCategory;
+use PhpParser\Node;
+
+/**
+ * @internal
+ *
+ * @implements Mutator<Node\Expr\ArrayItem>
+ */
+final class SpreadRemoval implements Mutator
+{
+    use GetMutatorName;
+
+    public static function getDefinition(): ?Definition
+    {
+        return new Definition(
+            <<<'TXT'
+Removes a spread operator in an array expression. For example:
+
+```php
+$x = [...$collection, 4, 5];
+```
+
+Will be mutated to:
+
+```php
+$x = [$collection, 4, 5];
+```
+TXT
+            ,
+            MutatorCategory::SEMANTIC_REDUCTION,
+            null,
+            <<<'DIFF'
+- $x = [...$collection, 4, 5];
++ $x = [$collection, 4, 5];
+DIFF
+        );
+    }
+
+    /**
+     * @psalm-mutation-free
+     *
+     * @return iterable<Node\Expr\ArrayItem>
+     */
+    public function mutate(Node $node): iterable
+    {
+        yield new Node\Expr\ArrayItem(
+            $node->value,
+            null,
+            false,
+            $node->getAttributes(),
+            false
+        );
+    }
+
+    public function canMutate(Node $node): bool
+    {
+        return $node instanceof Node\Expr\ArrayItem && $node->unpack;
+    }
+}
diff --git a/src/Mutator/ProfileList.php b/src/Mutator/ProfileList.php
index 553d9f278..5245019fc 100644
--- a/src/Mutator/ProfileList.php
+++ b/src/Mutator/ProfileList.php
@@ -159,6 +159,7 @@ final class ProfileList
         Mutator\Operator\NullSafeMethodCall::class,
         Mutator\Operator\NullSafePropertyCall::class,
         Mutator\Operator\Spread::class,
+        Mutator\Operator\SpreadRemoval::class,
         Mutator\Operator\Ternary::class,
         Mutator\Operator\Throw_::class,
     ];
@@ -362,6 +363,7 @@ final class ProfileList
         'NullSafeMethodCall' => Mutator\Operator\NullSafeMethodCall::class,
         'NullSafePropertyCall' => Mutator\Operator\NullSafePropertyCall::class,
         'Spread' => Mutator\Operator\Spread::class,
+        'SpreadRemoval' => Mutator\Operator\SpreadRemoval::class,
         'Ternary' => Mutator\Operator\Ternary::class,
         'Throw_' => Mutator\Operator\Throw_::class,
 
diff --git a/tests/phpunit/Mutator/Operator/SpreadRemovalTest.php b/tests/phpunit/Mutator/Operator/SpreadRemovalTest.php
new file mode 100644
index 000000000..4ea73f010
--- /dev/null
+++ b/tests/phpunit/Mutator/Operator/SpreadRemovalTest.php
@@ -0,0 +1,139 @@
+<?php
+/**
+ * This code is licensed under the BSD 3-Clause License.
+ *
+ * Copyright (c) 2017, Maks Rafalko
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ *
+ * * Neither the name of the copyright holder nor the names of its
+ *   contributors may be used to endorse or promote products derived from
+ *   this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+declare(strict_types=1);
+
+namespace Infection\Tests\Mutator\Operator;
+
+use Infection\Tests\Mutator\BaseMutatorTestCase;
+
+final class SpreadRemovalTest extends BaseMutatorTestCase
+{
+    /**
+     * @requires PHP >= 7.4
+     * @dataProvider mutationsProvider
+     *
+     * @param string|string[] $expected
+     */
+    public function test_it_can_mutate(string $input, $expected = []): void
+    {
+        $this->doTest($input, $expected);
+    }
+
+    public function mutationsProvider(): iterable
+    {
+        yield 'Spread removal for a raw array' => [
+            <<<'PHP'
+<?php
+
+$a = [...[1, 2, 3], 4];
+PHP
+            ,
+            <<<'PHP'
+<?php
+
+$a = [[1, 2, 3], 4];
+PHP
+            ,
+        ];
+
+        yield 'Spread removal for a variable' => [
+            <<<'PHP'
+<?php
+
+$a = [...$collection, 4];
+PHP
+            ,
+            <<<'PHP'
+<?php
+
+$a = [$collection, 4];
+PHP
+            ,
+        ];
+
+        yield 'Spread removal for a function call' => [
+            <<<'PHP'
+<?php
+
+$a = [...getCollection(), 4];
+PHP
+            ,
+            <<<'PHP'
+<?php
+
+$a = [getCollection(), 4];
+PHP
+            ,
+        ];
+
+        yield 'Spread removal for a method call' => [
+            <<<'PHP'
+<?php
+
+$a = [...$object->getCollection(), 4];
+PHP
+            ,
+            <<<'PHP'
+<?php
+
+$a = [$object->getCollection(), 4];
+PHP
+            ,
+        ];
+
+        yield 'Spread removal for a new iterator object' => [
+            <<<'PHP'
+<?php
+
+$a = [...new ArrayIterator(['a', 'b', 'c'])];
+PHP
+            ,
+            <<<'PHP'
+<?php
+
+$a = [new ArrayIterator(['a', 'b', 'c'])];
+PHP
+            ,
+        ];
+
+        yield 'It does not mutate argument unpacking' => [
+            <<<'PHP'
+<?php
+
+function foo(...$array) {}
+PHP
+            ,
+        ];
+    }
+}

From a8e9cf44be39b37bbc5d083d17d8346757cdb54c Mon Sep 17 00:00:00 2001
From: AlexandruGG <alex.gidei@goodlord.co>
Date: Sat, 3 Jul 2021 20:18:45 +0100
Subject: [PATCH 2/3] Add SpreadAssignment Mutator

---
 resources/schema.json                         |   1 +
 src/Mutator/Operator/SpreadAssignment.php     | 107 +++++++++++
 src/Mutator/ProfileList.php                   |   2 +
 .../Mutator/Operator/SpreadAssignmentTest.php | 172 ++++++++++++++++++
 4 files changed, 282 insertions(+)
 create mode 100644 src/Mutator/Operator/SpreadAssignment.php
 create mode 100644 tests/phpunit/Mutator/Operator/SpreadAssignmentTest.php

diff --git a/resources/schema.json b/resources/schema.json
index 08f670140..a25e8a773 100644
--- a/resources/schema.json
+++ b/resources/schema.json
@@ -324,6 +324,7 @@
                 "This": { "$ref": "#/definitions/default-mutator-config" },
                 "Spaceship": { "$ref": "#/definitions/default-mutator-config" },
                 "Spread": { "$ref": "#/definitions/default-mutator-config" },
+                "SpreadAssignment": { "$ref": "#/definitions/default-mutator-config" },
                 "SpreadRemoval": { "$ref": "#/definitions/default-mutator-config" },
                 "Foreach_": { "$ref": "#/definitions/default-mutator-config" },
                 "For_": { "$ref": "#/definitions/default-mutator-config" },
diff --git a/src/Mutator/Operator/SpreadAssignment.php b/src/Mutator/Operator/SpreadAssignment.php
new file mode 100644
index 000000000..05c2b47a3
--- /dev/null
+++ b/src/Mutator/Operator/SpreadAssignment.php
@@ -0,0 +1,107 @@
+<?php
+/**
+ * This code is licensed under the BSD 3-Clause License.
+ *
+ * Copyright (c) 2017, Maks Rafalko
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ *
+ * * Neither the name of the copyright holder nor the names of its
+ *   contributors may be used to endorse or promote products derived from
+ *   this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+declare(strict_types=1);
+
+namespace Infection\Mutator\Operator;
+
+use function count;
+use Infection\Mutator\Definition;
+use Infection\Mutator\GetMutatorName;
+use Infection\Mutator\Mutator;
+use Infection\Mutator\MutatorCategory;
+use PhpParser\Node;
+use Webmozart\Assert\Assert;
+
+/**
+ * @internal
+ *
+ * @implements Mutator<Node\Expr\Array_>
+ */
+final class SpreadAssignment implements Mutator
+{
+    use GetMutatorName;
+
+    public static function getDefinition(): ?Definition
+    {
+        return new Definition(
+            <<<'TXT'
+Removes a spread operator in an array expression and turns it into an assignment. For example:
+
+```php
+$x = [...$collection];
+```
+
+Will be mutated to:
+
+```php
+$x = $collection;
+```
+TXT
+            ,
+            MutatorCategory::SEMANTIC_REDUCTION,
+            null,
+            <<<'DIFF'
+- $x = [...$collection];
++ $x = $collection;
+DIFF
+        );
+    }
+
+    /**
+     * @psalm-mutation-free
+     *
+     * @return iterable<Node\Expr>
+     */
+    public function mutate(Node $node): iterable
+    {
+        Assert::allNotNull($node->items);
+
+        yield $node->items[0]->value;
+    }
+
+    public function canMutate(Node $node): bool
+    {
+        if (!$node instanceof Node\Expr\Array_) {
+            return false;
+        }
+
+        if (count($node->items) !== 1) {
+            return false;
+        }
+
+        Assert::allNotNull($node->items);
+
+        return $node->items[0]->unpack;
+    }
+}
diff --git a/src/Mutator/ProfileList.php b/src/Mutator/ProfileList.php
index 5245019fc..44b63acb8 100644
--- a/src/Mutator/ProfileList.php
+++ b/src/Mutator/ProfileList.php
@@ -159,6 +159,7 @@ final class ProfileList
         Mutator\Operator\NullSafeMethodCall::class,
         Mutator\Operator\NullSafePropertyCall::class,
         Mutator\Operator\Spread::class,
+        Mutator\Operator\SpreadAssignment::class,
         Mutator\Operator\SpreadRemoval::class,
         Mutator\Operator\Ternary::class,
         Mutator\Operator\Throw_::class,
@@ -363,6 +364,7 @@ final class ProfileList
         'NullSafeMethodCall' => Mutator\Operator\NullSafeMethodCall::class,
         'NullSafePropertyCall' => Mutator\Operator\NullSafePropertyCall::class,
         'Spread' => Mutator\Operator\Spread::class,
+        'SpreadAssignment' => Mutator\Operator\SpreadAssignment::class,
         'SpreadRemoval' => Mutator\Operator\SpreadRemoval::class,
         'Ternary' => Mutator\Operator\Ternary::class,
         'Throw_' => Mutator\Operator\Throw_::class,
diff --git a/tests/phpunit/Mutator/Operator/SpreadAssignmentTest.php b/tests/phpunit/Mutator/Operator/SpreadAssignmentTest.php
new file mode 100644
index 000000000..50762e768
--- /dev/null
+++ b/tests/phpunit/Mutator/Operator/SpreadAssignmentTest.php
@@ -0,0 +1,172 @@
+<?php
+/**
+ * This code is licensed under the BSD 3-Clause License.
+ *
+ * Copyright (c) 2017, Maks Rafalko
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ *
+ * * Neither the name of the copyright holder nor the names of its
+ *   contributors may be used to endorse or promote products derived from
+ *   this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+declare(strict_types=1);
+
+namespace Infection\Tests\Mutator\Operator;
+
+use Infection\Tests\Mutator\BaseMutatorTestCase;
+
+final class SpreadAssignmentTest extends BaseMutatorTestCase
+{
+    /**
+     * @requires PHP >= 7.4
+     * @dataProvider mutationsProvider
+     *
+     * @param string|string[] $expected
+     */
+    public function test_it_can_mutate(string $input, $expected = []): void
+    {
+        $this->doTest($input, $expected);
+    }
+
+    public function mutationsProvider(): iterable
+    {
+        yield 'Spread assignment for a raw array' => [
+            <<<'PHP'
+<?php
+
+$a = [...[1, 2, 3]];
+PHP
+            ,
+            <<<'PHP'
+<?php
+
+$a = [1, 2, 3];
+PHP
+            ,
+        ];
+
+        yield 'Spread assignment for a raw empty array' => [
+            <<<'PHP'
+<?php
+
+$a = [...[]];
+PHP
+            ,
+            <<<'PHP'
+<?php
+
+$a = [];
+PHP
+            ,
+        ];
+
+        yield 'Spread assignment for a variable' => [
+            <<<'PHP'
+<?php
+
+$a = [...$collection];
+PHP
+            ,
+            <<<'PHP'
+<?php
+
+$a = $collection;
+PHP
+            ,
+        ];
+
+        yield 'Spread assignment for a function call' => [
+            <<<'PHP'
+<?php
+
+$a = [...getCollection()];
+PHP
+            ,
+            <<<'PHP'
+<?php
+
+$a = getCollection();
+PHP
+            ,
+        ];
+
+        yield 'Spread assignment for a method call' => [
+            <<<'PHP'
+<?php
+
+$a = [...$object->getCollection()];
+PHP
+            ,
+            <<<'PHP'
+<?php
+
+$a = $object->getCollection();
+PHP
+            ,
+        ];
+
+        yield 'Spread assignment for a new iterator object' => [
+            <<<'PHP'
+<?php
+
+$a = [...new ArrayIterator(['a', 'b', 'c'])];
+PHP
+            ,
+            <<<'PHP'
+<?php
+
+$a = new ArrayIterator(['a', 'b', 'c']);
+PHP
+            ,
+        ];
+
+        yield 'It does not mutate argument unpacking' => [
+            <<<'PHP'
+<?php
+
+function foo(...$array) {}
+PHP
+            ,
+        ];
+
+        yield 'It does not mutate list construct' => [
+            <<<'PHP'
+<?php
+
+[$left, $right] = ['left', 'right'];
+PHP
+            ,
+        ];
+
+        yield 'It does not mutate spread expression in array with more than one element' => [
+            <<<'PHP'
+<?php
+
+$a = [...[1, 2, 3], 4];
+PHP
+            ,
+        ];
+    }
+}

From 16f8235f7446167dea4d16695cde631c69777c8c Mon Sep 17 00:00:00 2001
From: AlexandruGG <alex.gidei@goodlord.co>
Date: Sat, 3 Jul 2021 20:25:19 +0100
Subject: [PATCH 3/3] Rename Spread Mutator to SpreadOneItem

---
 resources/schema.json                                |  2 +-
 .../Operator/{Spread.php => SpreadOneItem.php}       |  2 +-
 src/Mutator/ProfileList.php                          |  4 ++--
 .../{SpreadTest.php => SpreadOneItemTest.php}        | 12 ++++++------
 4 files changed, 10 insertions(+), 10 deletions(-)
 rename src/Mutator/Operator/{Spread.php => SpreadOneItem.php} (98%)
 rename tests/phpunit/Mutator/Operator/{SpreadTest.php => SpreadOneItemTest.php} (90%)

diff --git a/resources/schema.json b/resources/schema.json
index a25e8a773..85e65a5ba 100644
--- a/resources/schema.json
+++ b/resources/schema.json
@@ -323,7 +323,7 @@
                 "NewObject": { "$ref": "#/definitions/default-mutator-config" },
                 "This": { "$ref": "#/definitions/default-mutator-config" },
                 "Spaceship": { "$ref": "#/definitions/default-mutator-config" },
-                "Spread": { "$ref": "#/definitions/default-mutator-config" },
+                "SpreadOneItem": { "$ref": "#/definitions/default-mutator-config" },
                 "SpreadAssignment": { "$ref": "#/definitions/default-mutator-config" },
                 "SpreadRemoval": { "$ref": "#/definitions/default-mutator-config" },
                 "Foreach_": { "$ref": "#/definitions/default-mutator-config" },
diff --git a/src/Mutator/Operator/Spread.php b/src/Mutator/Operator/SpreadOneItem.php
similarity index 98%
rename from src/Mutator/Operator/Spread.php
rename to src/Mutator/Operator/SpreadOneItem.php
index 42f4e6a16..a0b752d70 100644
--- a/src/Mutator/Operator/Spread.php
+++ b/src/Mutator/Operator/SpreadOneItem.php
@@ -46,7 +46,7 @@
  *
  * @implements Mutator<Node\Expr\ArrayItem>
  */
-final class Spread implements Mutator
+final class SpreadOneItem implements Mutator
 {
     use GetMutatorName;
 
diff --git a/src/Mutator/ProfileList.php b/src/Mutator/ProfileList.php
index 44b63acb8..cb224528c 100644
--- a/src/Mutator/ProfileList.php
+++ b/src/Mutator/ProfileList.php
@@ -158,8 +158,8 @@ final class ProfileList
         Mutator\Operator\Finally_::class,
         Mutator\Operator\NullSafeMethodCall::class,
         Mutator\Operator\NullSafePropertyCall::class,
-        Mutator\Operator\Spread::class,
         Mutator\Operator\SpreadAssignment::class,
+        Mutator\Operator\SpreadOneItem::class,
         Mutator\Operator\SpreadRemoval::class,
         Mutator\Operator\Ternary::class,
         Mutator\Operator\Throw_::class,
@@ -363,8 +363,8 @@ final class ProfileList
         'Finally_' => Mutator\Operator\Finally_::class,
         'NullSafeMethodCall' => Mutator\Operator\NullSafeMethodCall::class,
         'NullSafePropertyCall' => Mutator\Operator\NullSafePropertyCall::class,
-        'Spread' => Mutator\Operator\Spread::class,
         'SpreadAssignment' => Mutator\Operator\SpreadAssignment::class,
+        'SpreadOneItem' => Mutator\Operator\SpreadOneItem::class,
         'SpreadRemoval' => Mutator\Operator\SpreadRemoval::class,
         'Ternary' => Mutator\Operator\Ternary::class,
         'Throw_' => Mutator\Operator\Throw_::class,
diff --git a/tests/phpunit/Mutator/Operator/SpreadTest.php b/tests/phpunit/Mutator/Operator/SpreadOneItemTest.php
similarity index 90%
rename from tests/phpunit/Mutator/Operator/SpreadTest.php
rename to tests/phpunit/Mutator/Operator/SpreadOneItemTest.php
index aa219ef74..98c5fe69b 100644
--- a/tests/phpunit/Mutator/Operator/SpreadTest.php
+++ b/tests/phpunit/Mutator/Operator/SpreadOneItemTest.php
@@ -37,7 +37,7 @@
 
 use Infection\Tests\Mutator\BaseMutatorTestCase;
 
-final class SpreadTest extends BaseMutatorTestCase
+final class SpreadOneItemTest extends BaseMutatorTestCase
 {
     /**
      * @requires PHP >= 7.4
@@ -52,7 +52,7 @@ public function test_it_can_mutate(string $input, $expected = []): void
 
     public function mutationsProvider(): iterable
     {
-        yield 'Spread for a raw array' => [
+        yield 'Spread one item for a raw array' => [
             <<<'PHP'
 <?php
 
@@ -67,7 +67,7 @@ public function mutationsProvider(): iterable
             ,
         ];
 
-        yield 'Spread for a variable' => [
+        yield 'Spread one item for a variable' => [
             <<<'PHP'
 <?php
 
@@ -82,7 +82,7 @@ public function mutationsProvider(): iterable
             ,
         ];
 
-        yield 'Spread for a function call' => [
+        yield 'Spread one item for a function call' => [
             <<<'PHP'
 <?php
 
@@ -97,7 +97,7 @@ public function mutationsProvider(): iterable
             ,
         ];
 
-        yield 'Spread for a method call' => [
+        yield 'Spread one item for a method call' => [
             <<<'PHP'
 <?php
 
@@ -112,7 +112,7 @@ public function mutationsProvider(): iterable
             ,
         ];
 
-        yield 'Spread for a new iterator object' => [
+        yield 'Spread one item for a new iterator object' => [
             <<<'PHP'
 <?php