1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Number/S9.3_A4.2_T1.js b/js/src/tests/test262/built-ins/Number/S9.3_A4.2_T1.js
new file mode 100644
index 0000000000..fcd7b55203
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+++ b/js/src/tests/test262/built-ins/Number/S9.3_A4.2_T1.js
@@ -0,0 +1,36 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    Result of number conversion from number value equals to the input
+    argument (no conversion)
+es5id: 9.3_A4.2_T1
+description: >
+    Number.NaN, +0, -0, Number.POSITIVE_INFINITY,
+    Number.NEGATIVE_INFINITY,  Number.MAX_VALUE and Number.MIN_VALUE
+    convert to Number by explicit transformation
+---*/
+
+// CHECK#1
+assert.sameValue(Number(NaN), NaN, 'Number(true) returns NaN');
+
+assert.sameValue(Number(+0), +0, 'Number(+0) must return +0');
+assert.sameValue(Number(-0), -0, 'Number(-0) must return -0');
+
+assert.sameValue(
+  Number(Number.POSITIVE_INFINITY),
+  Number.POSITIVE_INFINITY,
+  'Number(Number.POSITIVE_INFINITY) returns Number.POSITIVE_INFINITY'
+);
+
+assert.sameValue(
+  Number(Number.NEGATIVE_INFINITY),
+  Number.NEGATIVE_INFINITY,
+  'Number(Number.NEGATIVE_INFINITY) returns Number.NEGATIVE_INFINITY'
+);
+
+assert.sameValue(Number(Number.MAX_VALUE), Number.MAX_VALUE, 'Number(Number.MAX_VALUE) returns Number.MAX_VALUE');
+assert.sameValue(Number(Number.MIN_VALUE), Number.MIN_VALUE, 'Number(Number.MIN_VALUE) returns Number.MIN_VALUE');
+
+reportCompare(0, 0);