tests: Realm.prototype.importValue semantics

test/built-ins/Realm/prototype/importValue/can-import-specified-bindings-by-name.js

@@ -0,0 +1,25 @@
+// Copyright (C) 2021 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-realm.prototype.importvalue
+description: >
+  Realm.prototype.importValue is not a constructor.
+includes: [isConstructor.js]
+features: [callable-boundary-realms]
+---*/
+
+assert.sameValue(
+  typeof Realm.prototype.importValue,
+  'function',
+  'This test must fail if Realm.prototype.importValue is not a function'
+);
+
+assert.sameValue(
+  isConstructor(Realm.prototype.importValue),
+  false,
+  'isConstructor(Realm.prototype.importValue) must return false'
+);
+
+assert.throws(TypeError, () => {
+  new Realm.prototype.importValue("");
+}, '`let value = new Realm.prototype.importValue("")` throws TypeError');

test/built-ins/Realm/prototype/importValue/exportName-tostring.js

@@ -0,0 +1,31 @@
+// Copyright (C) 2021 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-realm.prototype.importvalue
+description: >
+  Realm.prototype.importValue coerces exportName to string.
+includes: [isConstructor.js]
+features: [callable-boundary-realms]
+---*/
+
+assert.sameValue(
+  typeof Realm.prototype.importValue,
+  'function',
+  'This test must fail if Realm.prototype.importValue is not a function'
+);
+
+const r = new Realm();
+let count = 0;
+
+const exportName = {
+  toString() {
+    count += 1;
+    throw new Test262Error();
+  }
+};
+
+assert.throws(Test262Error, () => {
+  r.importValue('', exportName);
+});
+
+assert.sameValue(count, 1);

test/built-ins/Realm/prototype/importValue/import-value.js

@@ -0,0 +1,24 @@
+// Copyright (C) 2021 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-realm.prototype.importvalue
+description: >
+  Realm.prototype.importValue can import a value.
+flags: [async, module]
+includes: [isConstructor.js]
+features: [callable-boundary-realms]
+---*/
+
+assert.sameValue(
+  typeof Realm.prototype.importValue,
+  'function',
+  'This test must fail if Realm.prototype.importValue is not a function'
+);
+
+const r = new Realm();
+
+r.importValue('./import-value_FIXTURE.js', 'x').then(x => {
+
+  assert.sameValue(x, 1);
+
+}).then($DONE, $DONE);

test/built-ins/Realm/prototype/importValue/import-value_FIXTURE.js

@@ -0,0 +1,4 @@
+// Copyright (C) 2021 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+export var x = 1;

test/built-ins/Realm/prototype/importValue/proto.js

@@ -9,8 +9,7 @@ info: |
   has the Function prototype object, which is the initial value of the expression
   Function.prototype, as the value of its [[Prototype]] internal slot.
 
-includes: [hidden-constructors.js]
 features: [callable-boundary-realms]
 ---*/
 
-assert.sameValue(Object.getPrototypeOf(Realm.prototype.importValue), AsyncFunction.prototype);
+assert.sameValue(Object.getPrototypeOf(Realm.prototype.importValue), Function.prototype);

test/built-ins/Realm/prototype/importValue/specifier-tostring.js

@@ -0,0 +1,31 @@
+// Copyright (C) 2021 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-realm.prototype.importvalue
+description: >
+  Realm.prototype.importValue coerces specifier to string.
+includes: [isConstructor.js]
+features: [callable-boundary-realms]
+---*/
+
+assert.sameValue(
+  typeof Realm.prototype.importValue,
+  'function',
+  'This test must fail if Realm.prototype.importValue is not a function'
+);
+
+const r = new Realm();
+let count = 0;
+
+const specifier = {
+  toString() {
+    count += 1;
+    throw new Test262Error();
+  }
+};
+
+assert.throws(Test262Error, () => {
+  r.importValue(specifier);
+});
+
+assert.sameValue(count, 1);

test/built-ins/Realm/prototype/importValue/validates-realm-object.js

@@ -0,0 +1,22 @@
+// Copyright (C) 2021 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-realm.prototype.importvalue
+description: >
+  Realm.prototype.importValue validates realm object.
+includes: [isConstructor.js]
+features: [callable-boundary-realms]
+---*/
+
+assert.sameValue(
+  typeof Realm.prototype.importValue,
+  'function',
+  'This test must fail if Realm.prototype.importValue is not a function'
+);
+
+const r = new Realm();
+const bogus = {};
+
+assert.throws(TypeError, function() {
+  r.importValue.call(bogus);
+}, 'throws a TypeError if this is not a Realm object');