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23
24This test checks a few Number.toPrecision cases, including 15145: (0.999).toPrecision(1) returns incorrect result.
25
26On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
27
28
29PASS (0.999).toPrecision(1) is "1"
30PASS (0.999).toPrecision(2) is "1.0"
31PASS (0.999).toPrecision(3) is "0.999"
32PASS (0.0).toPrecision(4) is "0.000"
33PASS (-0.0).toPrecision(4) is "0.000"
34PASS (0.0).toPrecision() is "0"
35PASS (-0.0).toPrecision() is "0"
36PASS (1234.567).toPrecision() is "1234.567"
37PASS (1234.567).toPrecision(0) threw exception RangeError: toPrecision() argument must be between 1 and 21.
38PASS (1234.567).toPrecision(null) threw exception RangeError: toPrecision() argument must be between 1 and 21.
39PASS (1234.567).toPrecision(false) threw exception RangeError: toPrecision() argument must be between 1 and 21.
40PASS (1234.567).toPrecision('foo') threw exception RangeError: toPrecision() argument must be between 1 and 21.
41PASS (1234.567).toPrecision(-1) threw exception RangeError: toPrecision() argument must be between 1 and 21.
42PASS (1234.567).toPrecision(1) is "1e+3"
43PASS (1234.567).toPrecision(true) is "1e+3"
44PASS (1234.567).toPrecision('1') is "1e+3"
45PASS (1234.567).toPrecision(2) is "1.2e+3"
46PASS (1234.567).toPrecision(2.9) is "1.2e+3"
47PASS (1234.567).toPrecision(5) is "1234.6"
48PASS (1234.567).toPrecision(21) is "1234.56700000000000728"
49PASS (1234.567).toPrecision(22) threw exception RangeError: toPrecision() argument must be between 1 and 21.
50PASS (1234.567).toPrecision(100) threw exception RangeError: toPrecision() argument must be between 1 and 21.
51PASS (1234.567).toPrecision(101) threw exception RangeError: toPrecision() argument must be between 1 and 21.
52PASS (1234.567).toPrecision(posInf) threw exception RangeError: toPrecision() argument must be between 1 and 21.
53PASS (1234.567).toPrecision(negInf) threw exception RangeError: toPrecision() argument must be between 1 and 21.
54PASS (1234.567).toPrecision(nan) threw exception RangeError: toPrecision() argument must be between 1 and 21.
55PASS posInf.toPrecision() is "Infinity"
56PASS negInf.toPrecision() is "-Infinity"
57PASS nan.toPrecision() is "NaN"
58PASS successfullyParsed is true
59
60TEST COMPLETE
61
62