mcs/class/corlib/Test/System/FloatingPointFormatterTest.cs

   1 // FloatingPointFormatterTest.cs - NUnit Test Cases for the System.FloatingPointFormatter class
   2 //
   3 // Authors:
   4 //      Duncan Mak (duncan@ximian.com)
   5 //      Atsushi Enomoto (atsushi@ximian.com)
   6 //
   7 // (C) 2003 Ximian, Inc.  http://www.ximian.com
   8 // (C) 2004 Novell Inc.
   9 //
  10
  11 using NUnit.Framework;
  12 using System;
  13 using System.Globalization;
  14 using System.IO;
  15
  16 namespace MonoTests.System
  17 {
  18         [TestFixture]
  19         public class FloatingPointFormatterTest : Assertion
  20         {
  21                 [Test]
  22                 public void Format1 ()
  23                 {
  24                         AssertEquals ("F1", "100000000000000", 1.0e+14.ToString ());
  25                         AssertEquals ("F2", "1E+15", 1.0e+15.ToString ());
  26                         AssertEquals ("F3", "1E+16", 1.0e+16.ToString ());
  27                         AssertEquals ("F4", "1E+17", 1.0e+17.ToString ());
  28                 }
  29
  30                 [Test]
  31                 public void FormatStartsWithDot ()
  32                 {
  33                         CultureInfo ci = new CultureInfo ("en-US");
  34                         double val = 12345.1234567890123456;
  35                         string s = val.ToString(".0################;-.0################;0.0", ci);
  36                         AssertEquals ("#1", "12345.123456789", s);
  37
  38                         s = (-val).ToString(".0################;-.0#######;#########;0.0", ci);
  39                         AssertEquals ("#2", "-12345.12345679", s);
  40
  41                         s = 0.0.ToString(".0################;-.0#######;+-0", ci);
  42                         AssertEquals ("#3", "+-0", s);
  43                 }
  44
  45                 [Test]
  46                 public void PermillePercent ()
  47                 {
  48                         CultureInfo ci = CultureInfo.InvariantCulture;
  49                         AssertEquals ("#1", "485.7\u2030", (0.4857).ToString ("###.###\u2030"));
  50                         NumberFormatInfo nfi = new NumberFormatInfo ();
  51                         nfi.NegativeSign = "";
  52                         nfi.PerMilleSymbol = "m";
  53                         nfi.PercentSymbol = "percent";
  54                         AssertEquals ("#2", "m485.7", 0.4857.ToString ("\u2030###.###", nfi));
  55                         AssertEquals ("#3", "485.7m", 0.4857.ToString ("###.###\u2030", nfi));
  56                         AssertEquals ("#4", "percent48.57", 0.4857.ToString ("%###.###", nfi));
  57                         AssertEquals ("#5", "48.57percent", 0.4857.ToString ("###.###%", nfi));
  58                 }
  59
  60                 [Test]
  61                 public void LiteralMixed ()
  62                 {
  63                         CultureInfo ci = CultureInfo.InvariantCulture;
  64                         AssertEquals ("#1", "test 235", 234.56.ToString ("'test' ###", ci));
  65                         AssertEquals ("#2", "235 test", 234.56.ToString ("### 'test'", ci));
  66                         AssertEquals ("#3", "234 test.56", 234.56.ToString ("### 'test'.###", ci));
  67                         AssertEquals ("#1", "hoge 235", 234.56.ToString ("'hoge' ###", ci));
  68                         AssertEquals ("#2", "235 hoge", 234.56.ToString ("### 'hoge'", ci));
  69                         AssertEquals ("#3", "234 hoge.56", 234.56.ToString ("### 'hoge'.###", ci));
  70                 }
  71         }
  72 }