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1 // Copyright 2008 the V8 project authors. All rights reserved. | 1 // Copyright 2008 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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328 assertEquals("-12", Number(-12.345).toPrecision(2)); | 328 assertEquals("-12", Number(-12.345).toPrecision(2)); |
329 assertEquals("-1.2e+2", Number(-123.45).toPrecision(2)); | 329 assertEquals("-1.2e+2", Number(-123.45).toPrecision(2)); |
330 assertEquals("-1.2e+3", Number(-1234.5).toPrecision(2)); | 330 assertEquals("-1.2e+3", Number(-1234.5).toPrecision(2)); |
331 assertEquals("-1.2e+4", Number(-12345).toPrecision(2)); | 331 assertEquals("-1.2e+4", Number(-12345).toPrecision(2)); |
332 assertEquals("-1.235e+4", Number(-12345.67).toPrecision(4)); | 332 assertEquals("-1.235e+4", Number(-12345.67).toPrecision(4)); |
333 assertEquals("-1.234e+4", Number(-12344.67).toPrecision(4)); | 333 assertEquals("-1.234e+4", Number(-12344.67).toPrecision(4)); |
334 // Test that we round up even when the last digit generated is even. | 334 // Test that we round up even when the last digit generated is even. |
335 // dtoa does not do this in its original form. | 335 // dtoa does not do this in its original form. |
336 assertEquals("1.3", 1.25.toPrecision(2), "1.25.toPrecision(2)"); | 336 assertEquals("1.3", 1.25.toPrecision(2), "1.25.toPrecision(2)"); |
337 assertEquals("1.4", 1.35.toPrecision(2), "1.35.toPrecision(2)"); | 337 assertEquals("1.4", 1.35.toPrecision(2), "1.35.toPrecision(2)"); |
338 | |
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