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-rw-r--r--js/src/tests/non262/Math/cosh-exact.js19
1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/tests/non262/Math/cosh-exact.js b/js/src/tests/non262/Math/cosh-exact.js
new file mode 100644
index 0000000000..a302776c4f
--- /dev/null
+++ b/js/src/tests/non262/Math/cosh-exact.js
@@ -0,0 +1,19 @@
+// Properties of Math.cosh that are guaranteed by the spec.
+
+// If x is NaN, the result is NaN.
+assertEq(Math.cosh(NaN), NaN);
+
+// If x is +0, the result is 1.
+assertEq(Math.cosh(+0), 1);
+
+// If x is −0, the result is 1.
+assertEq(Math.cosh(-0), 1);
+
+// If x is +∞, the result is +∞.
+assertEq(Math.cosh(Infinity), Infinity);
+
+// If x is −∞, the result is +∞.
+assertEq(Math.cosh(-Infinity), Infinity);
+
+
+reportCompare(0, 0, "ok");