From 94325316be364adb522ac42b5eb6ad03fbfd7157 Mon Sep 17 00:00:00 2001
From: Valerie R Young <valerie@bocoup.com>
Date: Wed, 4 Oct 2017 16:20:52 -0400
Subject: [PATCH] Add tests for object to primitive call errors
---
.../this-value-object-toprimitive-call-err.js | 34 ++++++++++++
.../this-value-object-tostring-call-err.js | 51 ++++++++++++++++++
.../this-value-object-valueof-call-err.js | 52 +++++++++++++++++++
3 files changed, 137 insertions(+)
create mode 100644 test/built-ins/String/prototype/trimStart/this-value-object-toprimitive-call-err.js
create mode 100644 test/built-ins/String/prototype/trimStart/this-value-object-tostring-call-err.js
create mode 100644 test/built-ins/String/prototype/trimStart/this-value-object-valueof-call-err.js
diff --git a/test/built-ins/String/prototype/trimStart/this-value-object-toprimitive-call-err.js b/test/built-ins/String/prototype/trimStart/this-value-object-toprimitive-call-err.js
new file mode 100644
index 0000000000..85d1dded5f
--- /dev/null
+++ b/test/built-ins/String/prototype/trimStart/this-value-object-toprimitive-call-err.js
@@ -0,0 +1,34 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-string.prototype.trimStart
+description: >
+ Abrupt completion when getting Symbol.toPrimitive method
+info: |
+ Runtime Semantics: TrimString ( string, where )
+ 1. Let str be ? RequireObjectCoercible(string).
+ 2. Let S be ? ToString(str).
+ ...
+
+ ToString ( argument )
+ If argument is Object:
+ 1. Let primValue be ? ToPrimitive(argument, hint String).
+ ...
+
+ ToPrimitive ( input [, PreferredType ])
+ ...
+ d. Let exoticToPrim be ? GetMethod(input, @@toPrimitive).
+ ...
+features: [string-trimming, Symbol.toPrimitive]
+---*/
+
+var thisVal = {
+ get [Symbol.toPrimitive]() {
+ throw new Test262Error();
+ },
+};
+
+assert.throws(Test262Error, function() {
+ String.prototype.trimStart.call(thisVal);
+});
diff --git a/test/built-ins/String/prototype/trimStart/this-value-object-tostring-call-err.js b/test/built-ins/String/prototype/trimStart/this-value-object-tostring-call-err.js
new file mode 100644
index 0000000000..2a7737e86a
--- /dev/null
+++ b/test/built-ins/String/prototype/trimStart/this-value-object-tostring-call-err.js
@@ -0,0 +1,51 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-string.prototype.trimStart
+description: >
+ Abrupt completion when getting toString method
+info: |
+ Runtime Semantics: TrimString ( string, where )
+ 1. Let str be ? RequireObjectCoercible(string).
+ 2. Let S be ? ToString(str).
+ ...
+
+ ToString ( argument )
+ If argument is Object:
+ 1. Let primValue be ? ToPrimitive(argument, hint String).
+ ...
+
+ ToPrimitive ( input [, PreferredType ])
+ ...
+ b. Else if PreferredType is hint String, let hint be "string".
+ ...
+ d. Let exoticToPrim be ? GetMethod(input, @@toPrimitive)
+ e. If exoticToPrim is not undefined, then
+ i. Let result be ? Call(exoticToPrim, input, « hint »).
+ ii. If Type(result) is not Object, return result.
+ iii. Throw a TypeError exception.
+ f. If hint is "default", set hint to "number".
+ g. Return ? OrdinaryToPrimitive(input, hint).
+ ...
+
+ OrdinaryToPrimitive( O, hint )
+ ...
+ 3. If hint is "string", then
+ a. Let methodNames be « "toString", "valueOf" ».
+ ...
+ 5. For each name in methodNames in List order, do
+ a. Let method be ? Get(O, name).
+features: [string-trimming, Symbol.toPrimitive]
+---*/
+
+var thisVal = {
+ [Symbol.toPrimitive]: undefined,
+ get toString() {
+ throw new Test262Error();
+ },
+};
+
+assert.throws(Test262Error, function() {
+ String.prototype.trimStart.call(thisVal);
+});
diff --git a/test/built-ins/String/prototype/trimStart/this-value-object-valueof-call-err.js b/test/built-ins/String/prototype/trimStart/this-value-object-valueof-call-err.js
new file mode 100644
index 0000000000..0d11d014a5
--- /dev/null
+++ b/test/built-ins/String/prototype/trimStart/this-value-object-valueof-call-err.js
@@ -0,0 +1,52 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-string.prototype.trimStart
+description: >
+ Abrupt completion when getting valueOf method
+info: |
+ Runtime Semantics: TrimString ( string, where )
+ 1. Let str be ? RequireObjectCoercible(string).
+ 2. Let S be ? ToString(str).
+ ...
+
+ ToString ( argument )
+ If argument is Object:
+ 1. Let primValue be ? ToPrimitive(argument, hint String).
+ ...
+
+ ToPrimitive ( input [, PreferredType ])
+ ...
+ b. Else if PreferredType is hint String, let hint be "string".
+ ...
+ d. Let exoticToPrim be ? GetMethod(input, @@toPrimitive)
+ e. If exoticToPrim is not undefined, then
+ i. Let result be ? Call(exoticToPrim, input, « hint »).
+ ii. If Type(result) is not Object, return result.
+ iii. Throw a TypeError exception.
+ f. If hint is "default", set hint to "number".
+ g. Return ? OrdinaryToPrimitive(input, hint).
+ ...
+
+ OrdinaryToPrimitive( O, hint )
+ ...
+ 3. If hint is "string", then
+ a. Let methodNames be « "toString", "valueOf" ».
+ ...
+ 5. For each name in methodNames in List order, do
+ a. Let method be ? Get(O, name).
+features: [string-trimming, Symbol.toPrimitive]
+---*/
+
+var thisVal = {
+ [Symbol.toPrimitive]: undefined,
+ toString: undefined,
+ get valueOf() {
+ throw new Test262Error();
+ },
+};
+
+assert.throws(Test262Error, function() {
+ String.prototype.trimStart.call(thisVal);
+});
--
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