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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "config.h" | 5 #include "config.h" |
| 6 #include "wtf/dtoa.h" | 6 #include "wtf/dtoa.h" |
| 7 | 7 |
| 8 #include <gtest/gtest.h> | 8 #include <gtest/gtest.h> |
| 9 | 9 |
| 10 namespace WTF { | 10 namespace WTF { |
| 11 | 11 |
| 12 TEST(DtoaTest, TestNumberToFixedPrecisionString) | 12 TEST(DtoaTest, TestNumberToFixedPrecisionString) { |
| 13 { | 13 NumberToStringBuffer buffer; |
| 14 NumberToStringBuffer buffer; | |
| 15 | 14 |
| 16 // There should be no trailing decimal or zeros. | 15 // There should be no trailing decimal or zeros. |
| 17 numberToFixedPrecisionString(0.0, 6, buffer, true); | 16 numberToFixedPrecisionString(0.0, 6, buffer, true); |
| 18 EXPECT_STREQ("0", buffer); | 17 EXPECT_STREQ("0", buffer); |
| 19 | 18 |
| 20 // Up to 6 leading zeros. | 19 // Up to 6 leading zeros. |
| 21 numberToFixedPrecisionString(0.00000123123123, 6, buffer, true); | 20 numberToFixedPrecisionString(0.00000123123123, 6, buffer, true); |
| 22 EXPECT_STREQ("0.00000123123", buffer); | 21 EXPECT_STREQ("0.00000123123", buffer); |
| 23 | 22 |
| 24 numberToFixedPrecisionString(0.000000123123123, 6, buffer, true); | 23 numberToFixedPrecisionString(0.000000123123123, 6, buffer, true); |
| 25 EXPECT_STREQ("1.23123e-7", buffer); | 24 EXPECT_STREQ("1.23123e-7", buffer); |
| 26 | 25 |
| 27 // Up to 6 places before the decimal. | 26 // Up to 6 places before the decimal. |
| 28 numberToFixedPrecisionString(123123.123, 6, buffer, true); | 27 numberToFixedPrecisionString(123123.123, 6, buffer, true); |
| 29 EXPECT_STREQ("123123", buffer); | 28 EXPECT_STREQ("123123", buffer); |
| 30 | 29 |
| 31 numberToFixedPrecisionString(1231231.23, 6, buffer, true); | 30 numberToFixedPrecisionString(1231231.23, 6, buffer, true); |
| 32 EXPECT_STREQ("1.23123e+6", buffer); | 31 EXPECT_STREQ("1.23123e+6", buffer); |
| 33 | 32 |
| 34 // Don't strip trailing zeros in exponents. | 33 // Don't strip trailing zeros in exponents. |
| 35 // http://crbug.com/545711 | 34 // http://crbug.com/545711 |
| 36 numberToFixedPrecisionString(0.000000000123123, 6, buffer, true); | 35 numberToFixedPrecisionString(0.000000000123123, 6, buffer, true); |
| 37 EXPECT_STREQ("1.23123e-10", buffer); | 36 EXPECT_STREQ("1.23123e-10", buffer); |
| 38 | 37 |
| 39 // FIXME: Trailing zeros before exponents should be stripped. | 38 // FIXME: Trailing zeros before exponents should be stripped. |
| 40 numberToFixedPrecisionString(0.0000000001, 6, buffer, true); | 39 numberToFixedPrecisionString(0.0000000001, 6, buffer, true); |
| 41 EXPECT_STREQ("1.00000e-10", buffer); | 40 EXPECT_STREQ("1.00000e-10", buffer); |
| 42 } | 41 } |
| 43 | 42 |
| 44 TEST(DtoaTest, TestNumberToFixedPrecisionString_DontTruncateTrailingZeros) | 43 TEST(DtoaTest, TestNumberToFixedPrecisionString_DontTruncateTrailingZeros) { |
| 45 { | 44 NumberToStringBuffer buffer; |
| 46 NumberToStringBuffer buffer; | |
| 47 | 45 |
| 48 // There should be a trailing decimal and zeros. | 46 // There should be a trailing decimal and zeros. |
| 49 numberToFixedPrecisionString(0.0, 6, buffer, false); | 47 numberToFixedPrecisionString(0.0, 6, buffer, false); |
| 50 EXPECT_STREQ("0.00000", buffer); | 48 EXPECT_STREQ("0.00000", buffer); |
| 51 } | 49 } |
| 52 | 50 |
| 53 } // namespace WTF | 51 } // namespace WTF |
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