src/third_party/mozjs-45/js/src/jit-test/tests/asm.js/testAddressErrors.js

// |jit-test| test-also-noasmjs
load(libdir + "asm.js");

setIonCheckGraphCoherency(false);
setCachingEnabled(false);

// constants
var buf = new ArrayBuffer(BUF_MIN);

// An unshifted literal constant byte index in the range 0 to 2^31-1 inclusive should give a link failure.
assertAsmLinkFail(asmCompile('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int8Array(b);  function f() {return arr[0x7fffffff]|0 } return f'), this, null, buf);
assertAsmLinkFail(asmCompile('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int32Array(b); function f() {return arr[0x1fffffff]|0 } return f'), this, null, buf);


// An unshifted literal constant byte index outside the range 0 to 2^31-1 inclusive should cause an error compiling.
assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int32Array(b); function f() {return arr[0x20000000]|0 } return f');
assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int32Array(b); function f() {return arr[0x3fffffff]|0 } return f');
assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int32Array(b); function f() {return arr[0x40000000]|0 } return f');
assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int32Array(b); function f() {return arr[0x7fffffff]|0 } return f');
assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int32Array(b); function f() {return arr[0x80000000]|0 } return f');
assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int32Array(b); function f() {return arr[0x8fffffff]|0 } return f');
assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int32Array(b); function f() {return arr[0xffffffff]|0 } return f');
assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int32Array(b); function f() {return arr[0x100000000]|0 } return f');
assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int8Array(b);  function f() {return arr[0x80000000]|0 } return f');
assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int8Array(b);  function f() {return arr[0xffffffff]|0 } return f');
assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int8Array(b);  function f() {return arr[0x100000000]|0 } return f');
assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int16Array(b); function f() {return arr[-1]|0 } return f');
assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int32Array(b); function f() {return arr[-2]|0 } return f');

assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int32Array(b); function f() {return arr[10-12]|0 } return f');

// An intish shifted literal constant index should not fail to compile or link.
assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int8Array(b);  function f() {return arr[0x3fffffff>>0]|0 } return f'), this, null, buf)(), 0);
assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int32Array(b); function f() {return arr[0x3fffffff>>2]|0 } return f'), this, null, buf)(), 0);
assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int8Array(b);  function f() {return arr[0xffffffff>>0]|0 } return f'), this, null, buf)(), 0);
assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int32Array(b); function f() {return arr[0xffffffff>>2]|0 } return f'), this, null, buf)(), 0);
assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int8Array(b);  function f() {return arr[-1>>0]|0 } return f'), this, null, buf)(), 0);
assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int32Array(b); function f() {return arr[-1>>2]|0 } return f'), this, null, buf)(), 0);
// Unsigned (intish) folded constant index.
assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int8Array(b);  function f() {return arr[0xffffffff>>>0]|0 } return f'), this, null, buf)(), 0);
assertEq(asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int8Array(b);  function f() {arr[0] = 1; return arr[(0xffffffff+1)>>>0]|0 } return f'), this, null, buf)(), 1);

// A non-intish shifted literal constant index should cause an error compiling.
assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int8Array(b); function f() {return arr[0x100000000>>0]|0 } return f');
assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int32Array(b); function f() {return arr[0x100000000>>2]|0 } return f');

// Folded non-intish constant expressions should cause an error compiling.
assertAsmTypeFail('glob', 'imp', 'b', USE_ASM + 'var arr=new glob.Int8Array(b);  function f() {return arr[0xffffffff+1]|0 } return f');