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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/tests/ecma_6/Math/tanh-exact.js')
-rw-r--r--js/src/tests/ecma_6/Math/tanh-exact.js19
1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/tests/ecma_6/Math/tanh-exact.js b/js/src/tests/ecma_6/Math/tanh-exact.js
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+// Properties of Math.tanh that are guaranteed by the spec.
+
+// If x is NaN, the result is NaN.
+assertEq(Math.tanh(NaN), NaN);
+
+// If x is +0, the result is +0.
+assertEq(Math.tanh(+0), +0);
+
+// If x is −0, the result is −0.
+assertEq(Math.tanh(-0), -0);
+
+// If x is +∞, the result is +1.
+assertEq(Math.tanh(Number.POSITIVE_INFINITY), +1);
+
+// If x is −∞, the result is -1.
+assertEq(Math.tanh(Number.NEGATIVE_INFINITY), -1);
+
+
+reportCompare(0, 0, "ok");