1 files changed, 56 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/resist-fingerprinting/math-fdlibm-sincostan-asm.js b/js/src/jit-test/tests/resist-fingerprinting/math-fdlibm-sincostan-asm.js
new file mode 100644
index 0000000000..9662a213d6
--- /dev/null
+++ b/js/src/jit-test/tests/resist-fingerprinting/math-fdlibm-sincostan-asm.js
@@ -0,0 +1,56 @@
+// |jit-test| skip-if: !isAsmJSCompilationAvailable()
+
+load(libdir + "asm.js");
+
+var g = newGlobal({shouldResistFingerprinting: true})
+
+var code = (fun) => {
+  return `(function asm(glob) {
+    "use asm";
+    var sq=glob.Math.${fun}; function f(d) { d=+d; return +sq(d) } return f;
+  })`;
+}
+
+// Linking RFP asm.js with non-RFP Math.sin.
+let asmSin = g.eval(code("sin"));
+assertAsmLinkFail(asmSin, {Math: {sin: Math.sin}});
+
+// Linking RFP asm.js with RFP Math.sin
+const sin = asmLink(asmSin, {Math: {sin: g.Math.sin}});
+assertEq(sin(35*Math.LN2   ), -0.765996413898051);
+assertEq(sin(110*Math.LOG2E),  0.9989410140273757);
+assertEq(sin(7*Math.LOG10E ),  0.10135692924965616);
+
+// Linking non-RFP asm.js with RFP Math.sin
+asmSin = eval(code("sin"))
+assertAsmLinkFail(asmSin, {Math: {sin: g.Math.sin}});
+
+// Linking non-RFP asm.js with non-RFP Math.sin (the "normal case")
+asmLink(asmSin, {Math: {sin: Math.sin}});
+
+// Testing cos
+let asmCos = g.eval(code("cos"));
+assertAsmLinkFail(asmCos, {Math: {cos: Math.cos}});
+const cos = asmLink(asmCos, {Math: {cos: g.Math.cos}});
+assertEq(cos(1e130          ), -0.767224894221913);
+assertEq(cos(1e272          ), -0.7415825695514536);
+assertEq(cos(1e284          ),  0.7086865671674247);
+assertEq(cos(1e75           ), -0.7482651726250321);
+assertEq(cos(57*Math.E      ), -0.536911695749024);
+assertEq(cos(21*Math.LN2    ), -0.4067775970251724);
+assertEq(cos(51*Math.LN2    ), -0.7017203400855446);
+assertEq(cos(21*Math.SQRT1_2), -0.6534063185820198);
+assertEq(cos(17*Math.LOG10E ),  0.4537557425982784);
+assertEq(cos(2*Math.LOG10E  ),  0.6459044007438142);
+
+// Testing tan
+let asmTan = g.eval(code("tan"));
+assertAsmLinkFail(asmTan, {Math: {tan: Math.tan}});
+const tan = asmLink(asmTan, {Math: {tan: g.Math.tan}});
+assertEq(tan(1e140          ),  0.7879079967710036);
+assertEq(tan(6*Math.E       ),  0.6866761546452431);
+assertEq(tan(6*Math.LN2     ),  1.6182817135715877);
+assertEq(tan(10*Math.LOG2E  ), -3.3537128705376014);
+assertEq(tan(17*Math.SQRT2  ), -1.9222955461799982);
+assertEq(tan(34*Math.SQRT1_2), -1.9222955461799982);
+assertEq(tan(10*Math.LOG10E ),  2.5824856130712432);