summaryrefslogtreecommitdiffstats
path: root/js/src/tests/test262/built-ins/Array/prototype/shift/S15.4.4.9_A2_T5.js
diff options
context:
space:
mode:
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/shift/S15.4.4.9_A2_T5.js')
-rw-r--r--js/src/tests/test262/built-ins/Array/prototype/shift/S15.4.4.9_A2_T5.js126
1 files changed, 126 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/shift/S15.4.4.9_A2_T5.js b/js/src/tests/test262/built-ins/Array/prototype/shift/S15.4.4.9_A2_T5.js
new file mode 100644
index 0000000000..76b01bbe57
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/shift/S15.4.4.9_A2_T5.js
@@ -0,0 +1,126 @@
+// Copyright 2009 the Sputnik authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+ The shift function is intentionally generic.
+ It does not require that its this value be an Array object
+esid: sec-array.prototype.shift
+description: >
+ Operator use ToNumber from length. If Type(value) is Object,
+ evaluate ToPrimitive(value, Number)
+---*/
+
+var obj = {};
+obj.shift = Array.prototype.shift;
+
+obj[0] = -1;
+obj.length = {
+ valueOf() {
+ return 1
+ }
+};
+var shift = obj.shift();
+assert.sameValue(shift, -1, 'The value of shift is expected to be -1');
+
+obj[0] = -1;
+obj.length = {
+ valueOf() {
+ return 1
+ },
+ toString() {
+ return 0
+ }
+};
+var shift = obj.shift();
+assert.sameValue(shift, -1, 'The value of shift is expected to be -1');
+
+obj[0] = -1;
+obj.length = {
+ valueOf() {
+ return 1
+ },
+ toString() {
+ return {}
+ }
+};
+var shift = obj.shift();
+assert.sameValue(shift, -1, 'The value of shift is expected to be -1');
+
+try {
+ obj[0] = -1;
+ obj.length = {
+ valueOf() {
+ return 1
+ },
+ toString() {
+ throw "error"
+ }
+ };
+ var shift = obj.shift();
+ assert.sameValue(shift, -1, 'The value of shift is expected to be -1');
+}
+catch (e) {
+ assert.notSameValue(e, "error", 'The value of e is not "error"');
+}
+
+obj[0] = -1;
+obj.length = {
+ toString() {
+ return 0
+ }
+};
+var shift = obj.shift();
+assert.sameValue(shift, undefined, 'The value of shift is expected to equal undefined');
+
+obj[0] = -1;
+obj.length = {
+ valueOf() {
+ return {}
+ },
+ toString() {
+ return 0
+ }
+}
+var shift = obj.shift();
+assert.sameValue(shift, undefined, 'The value of shift is expected to equal undefined');
+
+try {
+ obj[0] = -1;
+ obj.length = {
+ valueOf() {
+ throw "error"
+ },
+ toString() {
+ return 0
+ }
+ };
+ var shift = obj.shift();
+ throw new Test262Error('#7.1: obj[0] = -1; obj.length = {valueOf() {throw "error"}, toString() {return 0}}; obj.shift() throw "error". Actual: ' + (shift));
+}
+catch (e) {
+ assert.sameValue(e, "error", 'The value of e is expected to be "error"');
+}
+
+try {
+ obj[0] = -1;
+ obj.length = {
+ valueOf() {
+ return {}
+ },
+ toString() {
+ return {}
+ }
+ };
+ var shift = obj.shift();
+ throw new Test262Error('#8.1: obj[0] = -1; obj.length = {valueOf() {return {}}, toString() {return {}}} obj.shift() throw TypeError. Actual: ' + (shift));
+}
+catch (e) {
+ assert.sameValue(
+ e instanceof TypeError,
+ true,
+ 'The result of evaluating (e instanceof TypeError) is expected to be true'
+ );
+}
+
+reportCompare(0, 0);