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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /js/src/jit-test/tests/basic/splice-check-steps.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/jit-test/tests/basic/splice-check-steps.js')
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diff --git a/js/src/jit-test/tests/basic/splice-check-steps.js b/js/src/jit-test/tests/basic/splice-check-steps.js
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+++ b/js/src/jit-test/tests/basic/splice-check-steps.js
@@ -0,0 +1,297 @@
+/*
+ * Check the order of splice's internal operations, because the ordering is
+ * visible externally.
+ */
+
+function handlerMaker(expected_exceptions) {
+ var order = [];
+ function note(trap, name)
+ {
+ order.push(trap + '-' + name);
+ if (expected_exceptions[trap] === name) {
+ throw ("fail");
+ }
+ }
+
+ return [{
+ /* this is the only trap we care about */
+ deleteProperty: function(target, name) {
+ note("del", name);
+ return Reflect.deleteProperty(target, name);
+ },
+ // derived traps
+ has: function(target, name) {
+ note("has", name);
+ return name in target;
+ },
+ get: function(target, name, receiver) {
+ note("get", name);
+ return Reflect.get(target, name, receiver);
+ },
+ set: function(target, name, value, receiver) {
+ note("set", name);
+ return Reflect.set(target, name, value, receiver);
+ },
+ }, order];
+}
+
+// arr: the array to splice
+// expected_order: the expected order of operations on arr, stringified
+function check_splice_proxy(arr, expected_order, expected_exceptions, expected_array, expected_result) {
+ print (arr);
+ var [handler, store] = handlerMaker(expected_exceptions);
+ var proxy = new Proxy(arr, handler);
+
+ try {
+ var args = Array.prototype.slice.call(arguments, 5);
+ var result = Array.prototype.splice.apply(proxy, args);
+ assertEq(Object.keys(expected_exceptions).length, 0);
+ } catch (e) {
+ assertEq(Object.keys(expected_exceptions).length > 0, true);
+ }
+
+ // check the order of the property accesses, etc
+ assertEq(store.toString(), expected_order);
+
+ // The deleted elements are returned in an object that's always an Array.
+ assertEq(Array.isArray(result) || result === undefined, true);
+
+ // check the return value
+ for (var i in expected_result) {
+ assertEq(result[i], expected_result[i]);
+ }
+ for (var i in result) {
+ assertEq(result[i], expected_result[i]);
+ }
+
+ // check the value of arr
+ for (var i in expected_array) {
+ assertEq(arr[i], expected_array[i]);
+ }
+ for (var i in arr) {
+ assertEq(arr[i], expected_array[i]);
+ }
+
+ return result;
+}
+
+// Shrinking array
+check_splice_proxy(
+ [10,1,2,3,4,5],
+ "get-length," +
+ "get-constructor," +
+ "has-0,get-0,has-1,get-1,has-2,get-2," +
+ "has-3,get-3,set-0,has-4,get-4,set-1,has-5,get-5,set-2," +
+ "del-5,del-4,del-3," +
+ "set-length",
+ {},
+ [3,4,5],
+ [10,1,2],
+ 0, 3
+);
+
+// Growing array
+check_splice_proxy(
+ [11,1,2,3,4,5],
+ "get-length," +
+ "get-constructor," +
+ "has-0,get-0,has-1,get-1,has-2,get-2," +
+ "has-5,get-5,set-9,has-4,get-4,set-8,has-3,get-3,set-7," +
+ "set-0,set-1,set-2,set-3,set-4,set-5,set-6," +
+ "set-length",
+ {},
+ [9,9,9,9,9,9,9,3,4,5],
+ [11,1,2],
+ 0, 3, 9, 9, 9, 9, 9, 9, 9
+);
+
+// Same sized array
+check_splice_proxy(
+ [12,1,2,3,4,5],
+ "get-length," +
+ "get-constructor," +
+ "has-0,get-0,has-1,get-1,has-2,get-2," +
+ "set-0,set-1,set-2," +
+ "set-length",
+ {},
+ [9,9,9,3,4,5],
+ [12,1,2],
+ 0, 3, 9, 9, 9
+);
+
+
+/*
+ * Check that if we fail at a particular step in the algorithm, we don't
+ * continue with the algorithm beyond that step.
+ */
+
+
+// Step 3: fail when getting length
+check_splice_proxy(
+ [13,1,2,3,4,5],
+ "get-length",
+ {get: 'length'},
+ [13,1,2,3,4,5],
+ undefined,
+ 0, 3, 9, 9, 9
+);
+
+// Step 9b: fail when [[HasProperty]]
+check_splice_proxy(
+ [14,1,2,3,4,5],
+ "get-length," +
+ "get-constructor," +
+ "has-0,get-0,has-1",
+ {has: '1'},
+ [14,1,2,3,4,5],
+ undefined,
+ 0, 3, 9, 9, 9
+);
+
+// Step 9c(i): fail when [[Get]]
+check_splice_proxy(
+ [15,1,2,3,4,5],
+ "get-length," +
+ "get-constructor," +
+ "has-0,get-0,has-1,get-1",
+ {get: '1'},
+ [15,1,2,3,4,5],
+ undefined,
+ 0, 3, 9, 9, 9
+);
+
+// Step 12b(iii): fail when [[HasProperty]]
+check_splice_proxy(
+ [16,1,2,3,4,5],
+ "get-length," +
+ "get-constructor," +
+ "has-0,get-0,has-1,get-1,has-2,get-2," +
+ "has-3,get-3,set-0,has-4",
+ {has: '4'},
+ [3,1,2,3,4,5],
+ undefined,
+ 0, 3
+);
+
+
+// Step 12b(iv)1: fail when [[Get]]
+check_splice_proxy(
+ [17,1,2,3,4,5],
+ "get-length," +
+ "get-constructor," +
+ "has-0,get-0,has-1,get-1,has-2,get-2," +
+ "has-3,get-3,set-0,has-4,get-4",
+ {get: '4'},
+ [3,1,2,3,4,5],
+ undefined,
+ 0, 3
+);
+
+
+// Step 12b(iv)2: fail when [[Put]]
+check_splice_proxy(
+ [18,1,2,3,4,5],
+ "get-length," +
+ "get-constructor," +
+ "has-0,get-0,has-1,get-1,has-2,get-2," +
+ "has-3,get-3,set-0,has-4,get-4,set-1",
+ {set: '1'},
+ [3,1,2,3,4,5],
+ undefined,
+ 0, 3
+);
+
+// Step 12b(v)1: fail when [[Delete]]
+check_splice_proxy(
+ [19,1,2,3,,5],
+ "get-length," +
+ "get-constructor," +
+ "has-0,get-0,has-1,get-1,has-2,get-2," +
+ "has-3,get-3,set-0,has-4,del-1",
+ {del: '1'},
+ [3,1,2,3,,5],
+ undefined,
+ 0, 3
+);
+
+// Step 12d(i): fail when [[Delete]]
+check_splice_proxy(
+ [20,1,2,3,4,5],
+ "get-length," +
+ "get-constructor," +
+ "has-0,get-0,has-1,get-1,has-2,get-2," +
+ "has-3,get-3,set-0,has-4,get-4,set-1,has-5,get-5,set-2," +
+ "del-5,del-4",
+ {del: '4'},
+ [3,4,5,3,4],
+ undefined,
+ 0, 3
+);
+
+// Step 13b(iii): fail when [[HasProperty]]
+check_splice_proxy(
+ [21,1,2,3,4,5],
+ "get-length," +
+ "get-constructor," +
+ "has-0,get-0,has-1,get-1,has-2,get-2," +
+ "has-5,get-5,set-8,has-4",
+ {has: '4'},
+ [21,1,2,3,4,5,,,5],
+ undefined,
+ 0, 3, 9,9,9,9,9,9
+);
+
+
+// Step 13b(iv)1: fail when [[Get]]
+check_splice_proxy(
+ [22,1,2,3,4,5],
+ "get-length," +
+ "get-constructor," +
+ "has-0,get-0,has-1,get-1,has-2,get-2," +
+ "has-5,get-5,set-8,has-4,get-4",
+ {get: '4'},
+ [22,1,2,3,4,5,,,5],
+ undefined,
+ 0, 3, 9,9,9,9,9,9
+);
+
+
+// Step 13b(iv)2: fail when [[Put]]
+check_splice_proxy(
+ [23,1,2,3,4,5],
+ "get-length," +
+ "get-constructor," +
+ "has-0,get-0,has-1,get-1,has-2,get-2," +
+ "has-5,get-5,set-8,has-4,get-4,set-7",
+ {set: '7'},
+ [23,1,2,3,4,5,,,5],
+ undefined,
+ 0, 3, 9,9,9,9,9,9
+);
+
+// Step 13b(v)1: fail when [[Delete]]
+check_splice_proxy(
+ [24,1,2,3,,5],
+ "get-length," +
+ "get-constructor," +
+ "has-0,get-0,has-1,get-1,has-2,get-2," +
+ "has-5,get-5,set-8,has-4,del-7",
+ {del: '7'},
+ [24,1,2,3,,5,,,5],
+ undefined,
+ 0, 3, 9,9,9,9,9,9
+);
+
+// Step 15b: fail when [[Put]]
+check_splice_proxy(
+ [25,1,2,3,4,5],
+ "get-length," +
+ "get-constructor," +
+ "has-0,get-0,has-1,get-1,has-2,get-2," +
+ "has-5,get-5,set-8,has-4,get-4,set-7,has-3,get-3,set-6," +
+ "set-0,set-1,set-2",
+ {set: '2'},
+ [9,9,2,3,4,5,3,4,5],
+ undefined,
+ 0, 3, 9,9,9,9,9,9
+);