Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 92 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/Symbol/desc-to-string.js b/js/src/tests/test262/built-ins/Symbol/desc-to-string.js
new file mode 100644
index 0000000000..ce07b4bdfa
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Symbol/desc-to-string.js
@@ -0,0 +1,92 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-symbol-constructor
+description: The first argument is coerced to a String value (from an object)
+info: |
+    1. If NewTarget is not undefined, throw a TypeError exception.
+    2. If description is undefined, let descString be undefined.
+    2. Else, let descString be ? ToString(description).
+    3. Return a new unique Symbol value whose [[Description]] value is
+       descString.
+features: [Symbol]
+---*/
+
+var calls, val;
+
+val = {
+  toString: function() {
+    calls += 'toString';
+    return {};
+  },
+  valueOf: function() {
+    calls += 'valueOf';
+  }
+};
+
+calls = '';
+Symbol(val);
+assert.sameValue(calls, 'toStringvalueOf');
+
+val = {
+  toString: function() {
+    calls += 'toString';
+  },
+  valueOf: function() {
+    calls += 'valueOf';
+  }
+};
+
+calls = '';
+Symbol(val);
+assert.sameValue(calls, 'toString');
+
+val = {
+  toString: null,
+  valueOf: function() {
+    calls += 'valueOf';
+  }
+};
+
+calls = '';
+Symbol(val);
+assert.sameValue(calls, 'valueOf');
+
+val = {
+  toString: null,
+  valueOf: function() {
+    calls += 'valueOf';
+    return {};
+  }
+};
+
+calls = '';
+assert.throws(TypeError, function() {
+  Symbol(val);
+}, '`toString` is not callable, and `valueOf` returns a non-primitive value');
+assert.sameValue(
+  calls, 'valueOf', 'invocation pattern for non-callable `toString`'
+);
+
+val = {
+  toString: function() {
+    calls += 'toString';
+    return {};
+  },
+  valueOf: function() {
+    calls += 'valueOf';
+    return {};
+  }
+};
+
+calls = '';
+assert.throws(TypeError, function() {
+  Symbol(val);
+}, '`toString` nor `valueOf` both return non-primitive values');
+assert.sameValue(
+  calls,
+  'toStringvalueOf',
+  'invocation pattern for non-callable `toString` and `valueOf`'
+);
+
+reportCompare(0, 0);