From bb838d8d6bdcf542d6c8413d076be4c5ca8b27b0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Bargull?= <andre.bargull@gmail.com>
Date: Mon, 11 Mar 2019 10:34:38 -0700
Subject: [PATCH] Add test when IteratorValue argument to AsyncGeneratorYield
 in yield* throws

---
 ...d-star-normal-notdone-iter-value-throws.js | 53 +++++++++++++++
 ...d-star-return-notdone-iter-value-throws.js | 63 ++++++++++++++++++
 ...ld-star-throw-notdone-iter-value-throws.js | 64 +++++++++++++++++++
 3 files changed, 180 insertions(+)
 create mode 100644 test/language/statements/async-generator/yield-star-normal-notdone-iter-value-throws.js
 create mode 100644 test/language/statements/async-generator/yield-star-return-notdone-iter-value-throws.js
 create mode 100644 test/language/statements/async-generator/yield-star-throw-notdone-iter-value-throws.js

diff --git a/test/language/statements/async-generator/yield-star-normal-notdone-iter-value-throws.js b/test/language/statements/async-generator/yield-star-normal-notdone-iter-value-throws.js
new file mode 100644
index 0000000000..b2035b35fa
--- /dev/null
+++ b/test/language/statements/async-generator/yield-star-normal-notdone-iter-value-throws.js
@@ -0,0 +1,53 @@
+// Copyright (C) 2019 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-generator-function-definitions-runtime-semantics-evaluation
+description: >
+    Abrupt completion when calling IteratorValue is propagated when received.[[Type]] is normal.
+info: |
+    14.4.14 Runtime Semantics: Evaluation
+    YieldExpression : yield* AssignmentExpression
+
+    ...
+    7. Repeat,
+      a. If received.[[Type]] is normal, then
+        ...
+        vi. If generatorKind is async, then set received to AsyncGeneratorYield(? IteratorValue(innerResult)).
+        ...
+
+flags: [async]
+features: [async-iteration]
+---*/
+
+var token = {};
+
+var asyncIter = {
+  [Symbol.asyncIterator]() {
+      return this;
+  },
+  next() {
+    return {
+      done: false,
+      get value() {
+        throw token;
+      }
+    };
+  }
+};
+
+async function* f() {
+  var thrown;
+  try {
+    yield* asyncIter;
+  } catch (e) {
+    thrown = e;
+  }
+  return thrown;
+}
+
+var iter = f();
+
+iter.next().then(({value}) => {
+    assert.sameValue(value, token);
+}).then($DONE, $DONE);
diff --git a/test/language/statements/async-generator/yield-star-return-notdone-iter-value-throws.js b/test/language/statements/async-generator/yield-star-return-notdone-iter-value-throws.js
new file mode 100644
index 0000000000..bdfceda8d1
--- /dev/null
+++ b/test/language/statements/async-generator/yield-star-return-notdone-iter-value-throws.js
@@ -0,0 +1,63 @@
+// Copyright (C) 2019 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-generator-function-definitions-runtime-semantics-evaluation
+description: >
+    Abrupt completion when calling IteratorValue is propagated when received.[[Type]] is return.
+info: |
+    14.4.14 Runtime Semantics: Evaluation
+    YieldExpression : yield* AssignmentExpression
+
+    ...
+    7. Repeat,
+      ...
+      c. Else,
+        i. Assert: received.[[Type]] is return.
+        ...
+        ix. If generatorKind is async, then set received to AsyncGeneratorYield(? IteratorValue(innerReturnResult)).
+        ...
+
+flags: [async]
+features: [async-iteration]
+---*/
+
+var token = {};
+
+var asyncIter = {
+  [Symbol.asyncIterator]() {
+      return this;
+  },
+  next() {
+    return {
+      done: false,
+      value: undefined,
+    };
+  },
+  return() {
+    return {
+      done: false,
+      get value() {
+        throw token;
+      }
+    };
+  }
+};
+
+async function* f() {
+  var thrown;
+  try {
+    yield* asyncIter;
+  } catch (e) {
+    thrown = e;
+  }
+  return thrown;
+}
+
+var iter = f();
+
+iter.next().then(() => {
+  iter.return().then(({value}) => {
+    assert.sameValue(value, token);
+  }).then($DONE, $DONE);
+}).catch($DONE);
diff --git a/test/language/statements/async-generator/yield-star-throw-notdone-iter-value-throws.js b/test/language/statements/async-generator/yield-star-throw-notdone-iter-value-throws.js
new file mode 100644
index 0000000000..dba6e808d3
--- /dev/null
+++ b/test/language/statements/async-generator/yield-star-throw-notdone-iter-value-throws.js
@@ -0,0 +1,64 @@
+// Copyright (C) 2019 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-generator-function-definitions-runtime-semantics-evaluation
+description: >
+    Abrupt completion when calling IteratorValue is propagated when received.[[Type]] is throw.
+info: |
+    14.4.14 Runtime Semantics: Evaluation
+    YieldExpression : yield* AssignmentExpression
+
+    ...
+    7. Repeat,
+      ...
+      b. Else if received.[[Type]] is throw, then
+        ...
+        ii. If throw is not undefined, then
+          ...
+          7. If generatorKind is async, then set received to AsyncGeneratorYield(? IteratorValue(innerResult)).
+          ...
+
+flags: [async]
+features: [async-iteration]
+---*/
+
+var token = {};
+
+var asyncIter = {
+  [Symbol.asyncIterator]() {
+      return this;
+  },
+  next() {
+    return {
+      done: false,
+      value: undefined,
+    };
+  },
+  throw() {
+    return {
+      done: false,
+      get value() {
+        throw token;
+      }
+    };
+  }
+};
+
+async function* f() {
+  var thrown;
+  try {
+    yield* asyncIter;
+  } catch (e) {
+    thrown = e;
+  }
+  return thrown;
+}
+
+var iter = f();
+
+iter.next().then(() => {
+  iter.throw().then(({value}) => {
+    assert.sameValue(value, token);
+  }).then($DONE, $DONE);
+}).catch($DONE);