1 // FloatingPointFormatterTest.cs - NUnit Test Cases for the System.FloatingPointFormatter class
4 // Duncan Mak (duncan@ximian.com)
5 // Atsushi Enomoto (atsushi@ximian.com)
7 // (C) 2003 Ximian, Inc. http://www.ximian.com
8 // (C) 2004 Novell Inc.
12 using System.Globalization;
14 using System.Threading;
16 using NUnit.Framework;
18 namespace MonoTests.System
21 public class FloatingPointFormatterTest : Assertion
23 CultureInfo old_culture;
28 old_culture = Thread.CurrentThread.CurrentCulture;
29 Thread.CurrentThread.CurrentCulture = new CultureInfo ("en-US", false);
33 public void TearDown ()
35 Thread.CurrentThread.CurrentCulture = old_culture;
39 public void Format1 ()
41 AssertEquals ("F1", "100000000000000", 1.0e+14.ToString ());
42 AssertEquals ("F2", "1E+15", 1.0e+15.ToString ());
43 AssertEquals ("F3", "1E+16", 1.0e+16.ToString ());
44 AssertEquals ("F4", "1E+17", 1.0e+17.ToString ());
48 public void FormatStartsWithDot ()
50 CultureInfo ci = new CultureInfo ("en-US");
51 double val = 12345.1234567890123456;
52 string s = val.ToString(".0################;-.0################;0.0", ci);
53 AssertEquals ("#1", "12345.123456789", s);
55 s = (-val).ToString(".0################;-.0#######;#########;0.0", ci);
56 AssertEquals ("#2", "-12345.12345679", s);
58 s = 0.0.ToString(".0################;-.0#######;+-0", ci);
59 AssertEquals ("#3", "+-0", s);
63 public void PermillePercent ()
65 CultureInfo ci = CultureInfo.InvariantCulture;
66 AssertEquals ("#1", "485.7\u2030", (0.4857).ToString ("###.###\u2030"));
67 NumberFormatInfo nfi = new NumberFormatInfo ();
68 nfi.NegativeSign = "";
69 nfi.PerMilleSymbol = "m";
70 nfi.PercentSymbol = "percent";
71 AssertEquals ("#2", "m485.7", 0.4857.ToString ("\u2030###.###", nfi));
72 AssertEquals ("#3", "485.7m", 0.4857.ToString ("###.###\u2030", nfi));
73 AssertEquals ("#4", "percent48.57", 0.4857.ToString ("%###.###", nfi));
74 AssertEquals ("#5", "48.57percent", 0.4857.ToString ("###.###%", nfi));
78 public void LiteralMixed ()
80 CultureInfo ci = CultureInfo.InvariantCulture;
81 AssertEquals ("#1", "test 235", 234.56.ToString ("'test' ###", ci));
82 AssertEquals ("#2", "235 test", 234.56.ToString ("### 'test'", ci));
83 AssertEquals ("#3", "234 test.56", 234.56.ToString ("### 'test'.###", ci));
84 AssertEquals ("#1", "hoge 235", 234.56.ToString ("'hoge' ###", ci));
85 AssertEquals ("#2", "235 hoge", 234.56.ToString ("### 'hoge'", ci));
86 AssertEquals ("#3", "234 hoge.56", 234.56.ToString ("### 'hoge'.###", ci));