Reference lang.ast.unittest.CodeGenTest

src/main/php/lang/ast/CodeGen.class.php

@@ -2,6 +2,7 @@
 
 use lang\ast\emit\{Reflection, Declaration, Incomplete};
 
+/** @test lang.ast.unittest.CodeGenTest */
 class CodeGen {
   private $id= 0;
   public $scope= [];

src/test/php/lang/ast/unittest/CodeGenTest.class.php

@@ -0,0 +1,62 @@
+<?php namespace lang\ast\unittest;
+
+use lang\Value;
+use lang\ast\CodeGen;
+use lang\ast\emit\{Declaration, InType, Reflection, Incomplete};
+use lang\ast\nodes\ClassDeclaration;
+use lang\ast\types\IsValue;
+use test\{Assert, Test};
+
+class CodeGenTest {
+
+  #[Test]
+  public function can_create() {
+    new CodeGen();
+  }
+
+
+  #[Test]
+  public function lookup_self() {
+    $fixture= new CodeGen();
+    $context= $fixture->enter(new InType(new ClassDeclaration([], new IsValue('\\T'), null, [], [], null, null, 1)));
+
+    Assert::equals(new Declaration($context->type, $fixture), $fixture->lookup('self'));
+  }
+
+  #[Test]
+  public function lookup_parent() {
+    $fixture= new CodeGen();
+    $fixture->enter(new InType(new ClassDeclaration([], new IsValue('\\T'), new IsValue('\\lang\\Value'), [], [], null, null, 1)));
+
+    Assert::equals(new Reflection(Value::class), $fixture->lookup('parent'));
+  }
+
+  #[Test]
+  public function lookup_parent_without_parent() {
+    $fixture= new CodeGen();
+    $fixture->enter(new InType(new ClassDeclaration([], new IsValue('\\T'), null, [], [], null, null, 1)));
+
+    Assert::null($fixture->lookup('parent'));
+  }
+
+  #[Test]
+  public function lookup_named() {
+    $fixture= new CodeGen();
+    $context= $fixture->enter(new InType(new ClassDeclaration([], new IsValue('\\T'), null, [], [], null, null, 1)));
+
+    Assert::equals(new Declaration($context->type, $fixture), $fixture->lookup('\\T'));
+  }
+
+  #[Test]
+  public function lookup_value_interface() {
+    $fixture= new CodeGen();
+
+    Assert::equals(new Reflection(Value::class), $fixture->lookup('\\lang\\Value'));
+  }
+
+  #[Test]
+  public function lookup_non_existant() {
+    $fixture= new CodeGen();
+    Assert::instance(Incomplete::class, $fixture->lookup('\\NotFound'));
+  }
+}