1 files changed, 179 insertions, 0 deletions
diff --git a/tests/src/SpecTestsuites/Core/RefIsNullTest.php b/tests/src/SpecTestsuites/Core/RefIsNullTest.php
new file mode 100644
index 0000000..94cb545
--- /dev/null
+++ b/tests/src/SpecTestsuites/Core/RefIsNullTest.php
@@ -0,0 +1,179 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Nsfisis\Waddiwasi\Tests\SpecTestsuites\Core;
+
+use Nsfisis\Waddiwasi\Tests\SpecTestsuites\SpecTestsuiteBase;
+use PHPUnit\Framework\Attributes\Depends;
+
+final class RefIsNullTest extends SpecTestsuiteBase
+{
+    public function testModule0(): void
+    {
+        $this->runModuleCommand(
+            filename: 'ref_is_null.0.wasm',
+            name: null,
+            line: 1,
+        );
+    }
+
+    #[Depends('testModule0')]
+    public function testAssertReturn1(): void
+    {
+        $this->runAssertReturnCommand(
+            module: null,
+            action: ['type' => 'invoke', 'field' => 'funcref', 'args' => [['type' => 'funcref', 'value' => 'null']]],
+            expected: [['type' => 'i32', 'value' => '1']],
+            line: 30,
+        );
+    }
+
+    #[Depends('testAssertReturn1')]
+    public function testAssertReturn2(): void
+    {
+        $this->runAssertReturnCommand(
+            module: null,
+            action: ['type' => 'invoke', 'field' => 'externref', 'args' => [['type' => 'externref', 'value' => 'null']]],
+            expected: [['type' => 'i32', 'value' => '1']],
+            line: 31,
+        );
+    }
+
+    #[Depends('testAssertReturn2')]
+    public function testAssertReturn3(): void
+    {
+        $this->runAssertReturnCommand(
+            module: null,
+            action: ['type' => 'invoke', 'field' => 'externref', 'args' => [['type' => 'externref', 'value' => '1']]],
+            expected: [['type' => 'i32', 'value' => '0']],
+            line: 33,
+        );
+    }
+
+    #[Depends('testAssertReturn3')]
+    public function testAction4(): void
+    {
+        $this->runActionCommand(
+            action: ['type' => 'invoke', 'field' => 'init', 'args' => [['type' => 'externref', 'value' => '0']]],
+            line: 35,
+        );
+    }
+
+    #[Depends('testAction4')]
+    public function testAssertReturn5(): void
+    {
+        $this->runAssertReturnCommand(
+            module: null,
+            action: ['type' => 'invoke', 'field' => 'funcref-elem', 'args' => [['type' => 'i32', 'value' => '0']]],
+            expected: [['type' => 'i32', 'value' => '1']],
+            line: 37,
+        );
+    }
+
+    #[Depends('testAssertReturn5')]
+    public function testAssertReturn6(): void
+    {
+        $this->runAssertReturnCommand(
+            module: null,
+            action: ['type' => 'invoke', 'field' => 'externref-elem', 'args' => [['type' => 'i32', 'value' => '0']]],
+            expected: [['type' => 'i32', 'value' => '1']],
+            line: 38,
+        );
+    }
+
+    #[Depends('testAssertReturn6')]
+    public function testAssertReturn7(): void
+    {
+        $this->runAssertReturnCommand(
+            module: null,
+            action: ['type' => 'invoke', 'field' => 'funcref-elem', 'args' => [['type' => 'i32', 'value' => '1']]],
+            expected: [['type' => 'i32', 'value' => '0']],
+            line: 40,
+        );
+    }
+
+    #[Depends('testAssertReturn7')]
+    public function testAssertReturn8(): void
+    {
+        $this->runAssertReturnCommand(
+            module: null,
+            action: ['type' => 'invoke', 'field' => 'externref-elem', 'args' => [['type' => 'i32', 'value' => '1']]],
+            expected: [['type' => 'i32', 'value' => '0']],
+            line: 41,
+        );
+    }
+
+    #[Depends('testAssertReturn8')]
+    public function testAction9(): void
+    {
+        $this->runActionCommand(
+            action: ['type' => 'invoke', 'field' => 'deinit', 'args' => []],
+            line: 43,
+        );
+    }
+
+    #[Depends('testAction9')]
+    public function testAssertReturn10(): void
+    {
+        $this->runAssertReturnCommand(
+            module: null,
+            action: ['type' => 'invoke', 'field' => 'funcref-elem', 'args' => [['type' => 'i32', 'value' => '0']]],
+            expected: [['type' => 'i32', 'value' => '1']],
+            line: 45,
+        );
+    }
+
+    #[Depends('testAssertReturn10')]
+    public function testAssertReturn11(): void
+    {
+        $this->runAssertReturnCommand(
+            module: null,
+            action: ['type' => 'invoke', 'field' => 'externref-elem', 'args' => [['type' => 'i32', 'value' => '0']]],
+            expected: [['type' => 'i32', 'value' => '1']],
+            line: 46,
+        );
+    }
+
+    #[Depends('testAssertReturn11')]
+    public function testAssertReturn12(): void
+    {
+        $this->runAssertReturnCommand(
+            module: null,
+            action: ['type' => 'invoke', 'field' => 'funcref-elem', 'args' => [['type' => 'i32', 'value' => '1']]],
+            expected: [['type' => 'i32', 'value' => '1']],
+            line: 48,
+        );
+    }
+
+    #[Depends('testAssertReturn12')]
+    public function testAssertReturn13(): void
+    {
+        $this->runAssertReturnCommand(
+            module: null,
+            action: ['type' => 'invoke', 'field' => 'externref-elem', 'args' => [['type' => 'i32', 'value' => '1']]],
+            expected: [['type' => 'i32', 'value' => '1']],
+            line: 49,
+        );
+    }
+
+    #[Depends('testAssertReturn13')]
+    public function testAssertInvalid14(): void
+    {
+        $this->runAssertInvalidCommand(
+            filename: 'ref_is_null.1.wasm',
+            text: 'type mismatch',
+            line: 52,
+        );
+    }
+
+    #[Depends('testAssertInvalid14')]
+    public function testAssertInvalid15(): void
+    {
+        $this->runAssertInvalidCommand(
+            filename: 'ref_is_null.2.wasm',
+            text: 'type mismatch',
+            line: 56,
+        );
+    }
+}