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function testInt32() {
function f(arr, i) {
arr[0] = 1;
arr[1] = arr[0] + 1;
arr[2] = arr[1] + arr[0];
var x = arr[2]; // 3
arr[x] = arr[x-1] + 1;
arr[x+1] = arr[x] + i;
return arr[4];
}
var a = [1, 2, 3, 4, 5, 6, 7, 8];
for (var i=0; i<70; i++) {
assertEq(f(a, i), i + 4);
}
}
testInt32();
function testDouble() {
function f(arr, d) {
arr[0] = d;
for (var i=1; i<8; i++) {
arr[i] = arr[i-1] + d;
}
return arr[7];
}
var a = [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0];
for (var i=0; i<50; i++) {
assertEq(f(a, Math.PI + i)|0, ((Math.PI + i) * 8)|0);
}
}
testDouble();
function testOutOfBounds() {
function f(arr, i, v) {
arr[i] = v;
}
var a = [1, 2];
for (var i=0; i<90; i++) {
f(a, 1, i);
}
assertEq(a[1], 89);
f(a, 2, 40);
f(a, 100, 50);
f(a, -1, 3);
assertEq(a[2], 40);
assertEq(a[100], 50);
assertEq(a[-1], 3);
}
testOutOfBounds();
function testClassGuard() {
function f(arr, v) {
arr[1] = v;
}
var a = [1, 2, 3, 4];
for (var i=0; i<90; i++) {
f(a, i);
}
assertEq(a[1], 89);
var b = {};
f(b, 100);
assertEq(b[1], 100);
}
testClassGuard();
function testMultipleTypes() {
function f(arr, v) {
arr[1] = v;
}
var a = [1, 2, 3, 4];
var b = [1.1, -233.2, 3.3];
for (var i=0; i<90; i++) {
f(a, i);
}
assertEq(a[1], 89);
f(b, 20);
assertEq(b[1], 20);
}
testMultipleTypes();
function testNull() {
function f(arr) {
arr[0] = null;
}
var arr = [undefined];
for (var i=0; i<100; i++) {
f(arr);
}
assertEq(arr[0], null);
}
testNull();
// Bug 722245.
function testConstantGcThing() {
function f(arr, x) {
arr[x] = "abc";
}
var arr = ["", ""];
for (var i=0; i<100; i++) {
f(arr, 1);
}
assertEq(arr[1], "abc");
}
testConstantGcThing();
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