1 files changed, 50 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/asm.js/testCloning.js b/js/src/jit-test/tests/asm.js/testCloning.js
new file mode 100644
index 000000000..e84f34303
--- /dev/null
+++ b/js/src/jit-test/tests/asm.js/testCloning.js
@@ -0,0 +1,50 @@
+load(libdir + "asm.js");
+
+setCachingEnabled(true);
+
+var code = asmCompile(USE_ASM + "function g() { return 42 } return g");
+assertEq(asmLink(code)(), 42);
+assertEq(asmLink(code)(), 42);
+
+var code = evaluate("(function() { " + USE_ASM + " function g() { return 43 } return g})", {fileName: null});
+assertEq(asmLink(code)(), 43);
+assertEq(asmLink(code)(), 43);
+
+var code = asmCompile('glob', 'ffis', 'buf', USE_ASM + 'var i32=new glob.Int32Array(buf); function g() { return i32[0]|0 } return g');
+var i32_1 = new Int32Array(BUF_MIN/4);
+i32_1[0] = 42;
+var i32_2 = new Int32Array(BUF_MIN/4);
+i32_2[0] = 13;
+assertEq(asmLink(code, this, null, i32_1.buffer)(), 42);
+assertEq(asmLink(code, this, null, i32_2.buffer)(), 13);
+var i32_3 = new Int32Array(4097);
+assertAsmLinkFail(code, this, null, i32_3.buffer);
+
+var code = asmCompile('glob', 'ffis', USE_ASM + 'var ffi=ffis.ffi; function g(n) { n=n|0; var i=0; for(; (i|0)<(n|0); i=(i+1)|0) ffi() } return g');
+var calls1 = 0, calls2 = 0;
+function ffi1() { calls1++ }
+function ffi2() { calls2++ }
+asmLink(code, null, {ffi:ffi1})(100000);
+assertEq(calls1, 100000);
+assertEq(calls2, 0);
+calls1 = 0;
+asmLink(code, null, {ffi:ffi2})(50000);
+assertEq(calls1, 0);
+assertEq(calls2, 50000);
+
+var code = asmCompile(USE_ASM + 'var g = 0; function h() { g=(g+1)|0; return g|0 } return h');
+var h1 = code();
+assertEq(h1(), 1);
+assertEq(h1(), 2);
+var h2 = code();
+assertEq(h2(), 1);
+assertEq(h1(), 3);
+assertEq(h2(), 2);
+assertEq(h1(), 4);
+
+var code = asmCompile(USE_ASM + "return {}");
+var h1 = code();
+var h2 = code();
+assertEq(h1 === h2, false);
+assertEq(Object.keys(h1).length, 0);
+assertEq(Object.keys(h2).length, 0);