Additional tests for escape and unescape methods (#2695)

Co-authored-by: Leo Balter <leonardo.balter@gmail.com>

test/annexB/built-ins/escape/argument_bigint.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2020 Qu Xing. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-escape-string
+description: Input is a BigInt
+info: |
+    B.2.1.1 escape ( string )
+
+    1. Let string be ? ToString(string).
+    ...
+features: [BigInt]
+---*/
+
+assert.sameValue(escape(1n), '1');
+
+assert.sameValue(escape(-1n), '-1');

test/annexB/built-ins/escape/argument_types.js

@@ -2,7 +2,7 @@
 // This code is governed by the BSD license found in the LICENSE file.
 /*---
 esid: sec-escape-string
-description: Input is a null, undefined or boolean
+description: Input is a null, undefined, boolean or Number
 info: |
     B.2.1.1 escape ( string )
 
@@ -14,6 +14,20 @@ assert.sameValue(escape(null), 'null');
 
 assert.sameValue(escape(undefined), 'undefined');
 
+assert.sameValue(escape(), 'undefined');
+
 assert.sameValue(escape(true), 'true');
 
 assert.sameValue(escape(false), 'false');
+
+assert.sameValue(escape(-0), '0');
+
+assert.sameValue(escape(0), '0');
+
+assert.sameValue(escape(1), '1');
+
+assert.sameValue(escape(NaN), 'NaN');
+
+assert.sameValue(escape(Number.POSITIVE_INFINITY), 'Infinity');
+
+assert.sameValue(escape(Number.NEGATIVE_INFINITY), '-Infinity');

test/annexB/built-ins/escape/to-primitive-err.js

@@ -0,0 +1,22 @@
+// Copyright (C) 2020 Qu Xing. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-escape-string
+description: If [Symbol.toPrimitive] method returned an object, it should throw a TypeError
+info: |
+    B.2.1.1 escape ( string )
+
+    1. Let string be ? ToString(string).
+    ...
+features: [Symbol.toPrimitive]
+---*/
+
+var obj = {
+  toString() { throw new Test262Error('this should be unreachable'); },
+  valueOf() { throw new Test262Error('this should be unreachable'); },
+  [Symbol.toPrimitive]() { return function(){}; }
+};
+
+assert.throws(TypeError, function() {
+  escape(obj);
+});

test/annexB/built-ins/escape/to-primitive-observe.js

@@ -0,0 +1,20 @@
+// Copyright (C) 2020 Qu Xing. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-escape-string
+description: Observable operations from string coercion
+info: |
+    B.2.1.1 escape ( string )
+
+    1. Let string be ? ToString(string).
+    ...
+features: [Symbol.toPrimitive]
+---*/
+
+var obj = {
+  toString() { throw new Test262Error('this should be unreachable'); },
+  valueOf() { throw new Test262Error('this should be unreachable'); },
+  [Symbol.toPrimitive]() { return 'success'; }
+};
+
+assert.sameValue(escape(obj), 'success');

test/annexB/built-ins/unescape/argument_bigint.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2020 Qu Xing. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-unescape-string
+description: Input is a BigInt
+info: |
+    B.2.1.2 unescape ( string )
+
+    1. Set string to ? ToString(string).
+    ....
+features: [BigInt]
+---*/
+
+assert.sameValue(unescape(1n), '1');
+
+assert.sameValue(unescape(-1n), '-1');

test/annexB/built-ins/unescape/argument_types.js

@@ -0,0 +1,33 @@
+// Copyright (C) 2020 Qu Xing. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-unescape-string
+description: Input is a null, undefined, boolean or Number
+info: |
+    B.2.1.2 unescape ( string )
+
+    1. Set string to ? ToString(string).
+    ...
+---*/
+
+assert.sameValue(unescape(null), 'null');
+
+assert.sameValue(unescape(undefined), 'undefined');
+
+assert.sameValue(unescape(), 'undefined');
+
+assert.sameValue(unescape(true), 'true');
+
+assert.sameValue(unescape(false), 'false');
+
+assert.sameValue(unescape(-0), '0');
+
+assert.sameValue(unescape(0), '0');
+
+assert.sameValue(unescape(1), '1');
+
+assert.sameValue(unescape(NaN), 'NaN');
+
+assert.sameValue(unescape(Number.POSITIVE_INFINITY), 'Infinity');
+
+assert.sameValue(unescape(Number.NEGATIVE_INFINITY), '-Infinity');

test/annexB/built-ins/unescape/to-primitive-err.js

@@ -0,0 +1,22 @@
+// Copyright (C) 2020 Qu Xing. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-unescape-string
+description: If [Symbol.toPrimitive] method returned an object, it should throw a TypeError
+info: |
+    B.2.1.2 unescape ( string )
+
+    1. Set string to ? ToString(string).
+    ....
+features: [Symbol.toPrimitive]
+---*/
+
+var obj = {
+  toString() { throw new Test262Error('this should be unreachable'); },
+  valueOf() { throw new Test262Error('this should be unreachable'); },
+  [Symbol.toPrimitive]() { return function(){}; }
+};
+
+assert.throws(TypeError, function() {
+  unescape(obj);
+});

test/annexB/built-ins/unescape/to-primitive-observe.js

@@ -0,0 +1,20 @@
+// Copyright (C) 2020 Qu Xing. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-unescape-string
+description: Observable operations from string coercion
+info: |
+    B.2.1.2 unescape ( string )
+
+    1. Set string to ? ToString(string).
+    ....
+features: [Symbol.toPrimitive]
+---*/
+
+var obj = {
+  toString() { throw new Test262Error('this should be unreachable'); },
+  valueOf() { throw new Test262Error('this should be unreachable'); },
+  [Symbol.toPrimitive]() { return 'success'; }
+};
+
+assert.sameValue(unescape(obj), 'success');