Fixed MultiConstraint with MatchAllConstraint

Author: Toflar

src/Constraint/MultiConstraint.php

@@ -207,9 +207,12 @@ public static function create(array $constraints, $conjunctive = true)
             return $constraints[0];
         }
 
-        foreach ($constraints as $constraint) {
+        foreach ($constraints as $k => $constraint) {
             if ($constraint instanceof MatchAllConstraint) {
-                return new MatchAllConstraint();
+                if (!$conjunctive) {
+                    return new MatchAllConstraint();
+                }
+                unset($constraints[$k]);
             }
         }
 

tests/Constraint/MultiConstraintTest.php

@@ -275,14 +275,14 @@ public function testCreatesMatchAllConstraintIfNoneGiven()
         $this->assertInstanceOf('Composer\Semver\Constraint\MatchAllConstraint', MultiConstraint::create(array()));
     }
 
-    public function testCreatesMatchAllConstraintIfConjunctiveAndCombinedWithAnotherONe()
+    public function testRemovesMatchAllConstraintIfConjunctiveAndCombinedWithOtherConstraints()
     {
-        $this->assertInstanceOf('Composer\Semver\Constraint\MatchAllConstraint', MultiConstraint::create(
-            array(new Constraint('>=', '2.5.0.0-dev'), new MatchAllConstraint())
+        $this->assertSame('[>= 2.5.0.0-dev <= 3.0.0.0-dev]', (string) MultiConstraint::create(
+            array(new Constraint('>=', '2.5.0.0-dev'), new Constraint('<=', '3.0.0.0-dev'), new MatchAllConstraint())
         ));
     }
 
-    public function testCreatesMatchAllConstraintIfDisjunctiveAndCombinedWithAnotherONe()
+    public function testCreatesMatchAllConstraintIfDisjunctiveAndCombinedWithAnotherOne()
     {
         $this->assertInstanceOf('Composer\Semver\Constraint\MatchAllConstraint', MultiConstraint::create(
             array(new Constraint('>=', '2.5.0.0-dev'), new MatchAllConstraint()), false