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sourceRevisionAtLastExport: 33f2fb0e53d135f0ee17cfccd9d993eb2a6f47de targetRevisionAtLastExport: 31340cbd9add103f586d501b0c3354b7b182abc0
82 lines
3.8 KiB
JavaScript
82 lines
3.8 KiB
JavaScript
// Copyright 2008 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Test the exponential notation output.
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assertEquals("1e+27", (1.2345e+27).toPrecision(1));
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assertEquals("1.2e+27", (1.2345e+27).toPrecision(2));
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assertEquals("1.23e+27", (1.2345e+27).toPrecision(3));
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assertEquals("1.234e+27", (1.2345e+27).toPrecision(4));
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assertEquals("1.2345e+27", (1.2345e+27).toPrecision(5));
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assertEquals("1.23450e+27", (1.2345e+27).toPrecision(6));
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assertEquals("1.234500e+27", (1.2345e+27).toPrecision(7));
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assertEquals("-1e+27", (-1.2345e+27).toPrecision(1));
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assertEquals("-1.2e+27", (-1.2345e+27).toPrecision(2));
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assertEquals("-1.23e+27", (-1.2345e+27).toPrecision(3));
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assertEquals("-1.234e+27", (-1.2345e+27).toPrecision(4));
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assertEquals("-1.2345e+27", (-1.2345e+27).toPrecision(5));
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assertEquals("-1.23450e+27", (-1.2345e+27).toPrecision(6));
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assertEquals("-1.234500e+27", (-1.2345e+27).toPrecision(7));
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// Test the fixed notation output.
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assertEquals("7", (7).toPrecision(1));
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assertEquals("7.0", (7).toPrecision(2));
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assertEquals("7.00", (7).toPrecision(3));
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assertEquals("-7", (-7).toPrecision(1));
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assertEquals("-7.0", (-7).toPrecision(2));
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assertEquals("-7.00", (-7).toPrecision(3));
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assertEquals("9e+1", (91).toPrecision(1));
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assertEquals("91", (91).toPrecision(2));
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assertEquals("91.0", (91).toPrecision(3));
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assertEquals("91.00", (91).toPrecision(4));
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assertEquals("-9e+1", (-91).toPrecision(1));
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assertEquals("-91", (-91).toPrecision(2));
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assertEquals("-91.0", (-91).toPrecision(3));
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assertEquals("-91.00", (-91).toPrecision(4));
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assertEquals("9e+1", (91.1234).toPrecision(1));
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assertEquals("91", (91.1234).toPrecision(2));
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assertEquals("91.1", (91.1234).toPrecision(3));
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assertEquals("91.12", (91.1234).toPrecision(4));
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assertEquals("91.123", (91.1234).toPrecision(5));
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assertEquals("91.1234", (91.1234).toPrecision(6));
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assertEquals("91.12340", (91.1234).toPrecision(7));
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assertEquals("91.123400", (91.1234).toPrecision(8));
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assertEquals("-9e+1", (-91.1234).toPrecision(1));
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assertEquals("-91", (-91.1234).toPrecision(2));
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assertEquals("-91.1", (-91.1234).toPrecision(3));
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assertEquals("-91.12", (-91.1234).toPrecision(4));
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assertEquals("-91.123", (-91.1234).toPrecision(5));
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assertEquals("-91.1234", (-91.1234).toPrecision(6));
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assertEquals("-91.12340", (-91.1234).toPrecision(7));
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assertEquals("-91.123400", (-91.1234).toPrecision(8));
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