X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a37da0fa555e3399a36e0c7cbc4ea96a4bf4d4f0..1ec4e9c2b72a01a7ba7da569e0f8d04a81aaba10:/tests/graphics/ellipsization.cpp

diff --git a/tests/graphics/ellipsization.cpp b/tests/graphics/ellipsization.cpp
index c8d3a22054..54c90c9f05 100644
--- a/tests/graphics/ellipsization.cpp
+++ b/tests/graphics/ellipsization.cpp
@@ -1,78 +1,172 @@
-///////////////////////////////////////////////////////////////////////////////
-// Name:        tests/graphics/ellipsization.cpp
-// Purpose:     wxControlBase::*Ellipsize* unit test
-// Author:      Francesco Montorsi
-// Created:     2010-03-10
-// RCS-ID:      $Id$
-// Copyright:   (c) 2010 Francesco Montorsi
-///////////////////////////////////////////////////////////////////////////////
-
-// ----------------------------------------------------------------------------
-// headers
-// ----------------------------------------------------------------------------
-
-#include "testprec.h"
-
-#ifdef __BORLANDC__
-    #pragma hdrstop
-#endif
-
-#include "wx/control.h"
-#include "wx/dcmemory.h"
-
-// ----------------------------------------------------------------------------
-// test class
-// ----------------------------------------------------------------------------
-
-class EllipsizationTestCase : public CppUnit::TestCase
-{
-public:
-    EllipsizationTestCase() { }
-
-private:
-    CPPUNIT_TEST_SUITE( EllipsizationTestCase );
-        CPPUNIT_TEST( Ellipsize );
-    CPPUNIT_TEST_SUITE_END();
-
-    void Ellipsize();
-
-    DECLARE_NO_COPY_CLASS(EllipsizationTestCase)
-};
-
-// register in the unnamed registry so that these tests are run by default
-CPPUNIT_TEST_SUITE_REGISTRATION( EllipsizationTestCase );
-
-// also include in it's own registry so that these tests can be run alone
-CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( EllipsizationTestCase, "EllipsizationTestCase" );
-
-void EllipsizationTestCase::Ellipsize()
-{
-    wxMemoryDC dc;
-
-    wxString stringsToTest[] = 
-    { 
-        "N", ".", "x", "foobar", wxS("\u03B1"), "Another test", "a very very very very very very very long string",
-        "\xCE\xB1\xCE\xB2\xCE\xB3\xCE\xB4\xCE\xB5\xCE\xB6\xCE\xB7\xCE\xB8\xCE\xB9", 
-            // alpha+beta+gamma+delta+epsilon+zeta+eta+theta+iota
-        "\t", "\t\t\t\t\t", "a\tstring\twith\ttabs",
-        "\n", "\n\n\n\n\n", "a\nstring\nwith\nnewlines",
-        "&", "&&&&&&&", "a&string&with&newlines",
-        "\t\n&", "a\t\n&string\t\n&with\t\n&many\t\n&chars"
-    };
-    int flagsToTest[] = { 0, wxELLIPSIZE_FLAGS_PROCESS_MNEMONICS, wxELLIPSIZE_FLAGS_EXPAND_TABS, 
-                          wxELLIPSIZE_FLAGS_PROCESS_MNEMONICS|wxELLIPSIZE_FLAGS_EXPAND_TABS };
-    wxEllipsizeMode modesToTest[] = { wxELLIPSIZE_START, wxELLIPSIZE_MIDDLE, wxELLIPSIZE_END };
-    int widthsToTest[] = { 0, 1, 2, 3, 10, 20, 100 };
-
-    for (unsigned int s=0; s<WXSIZEOF(stringsToTest); s++)
-        for (unsigned int f=0; f<WXSIZEOF(flagsToTest); f++)
-            for (unsigned int m=0; m<WXSIZEOF(modesToTest); m++)
-                for (unsigned int w=0; w<WXSIZEOF(widthsToTest); w++)
-                {
-                    wxString ret = wxControlBase::Ellipsize(stringsToTest[s], dc, modesToTest[m], 
-                                                            widthsToTest[w], flagsToTest[f]);
-
-                    CPPUNIT_ASSERT_MESSAGE((std::string)("invalid ellipsization for: " + stringsToTest[s]),
-                                           dc.GetMultiLineTextExtent(ret).GetWidth() <= widthsToTest[w]);
-                }
-}
+///////////////////////////////////////////////////////////////////////////////
+// Name:        tests/graphics/ellipsization.cpp
+// Purpose:     wxControlBase::*Ellipsize* unit test
+// Author:      Francesco Montorsi
+// Created:     2010-03-10
+// RCS-ID:      $Id$
+// Copyright:   (c) 2010 Francesco Montorsi
+///////////////////////////////////////////////////////////////////////////////
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#include "testprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#include "wx/control.h"
+#include "wx/dcmemory.h"
+
+// ----------------------------------------------------------------------------
+// test class
+// ----------------------------------------------------------------------------
+
+class EllipsizationTestCase : public CppUnit::TestCase
+{
+public:
+    EllipsizationTestCase() { }
+
+private:
+    CPPUNIT_TEST_SUITE( EllipsizationTestCase );
+        CPPUNIT_TEST( NormalCase );
+        CPPUNIT_TEST( EnoughSpace );
+        CPPUNIT_TEST( VeryLittleSpace );
+        CPPUNIT_TEST( HasThreeDots );
+    CPPUNIT_TEST_SUITE_END();
+
+    void NormalCase();
+    void EnoughSpace();
+    void VeryLittleSpace();
+    void HasThreeDots();
+
+    DECLARE_NO_COPY_CLASS(EllipsizationTestCase)
+};
+
+// register in the unnamed registry so that these tests are run by default
+CPPUNIT_TEST_SUITE_REGISTRATION( EllipsizationTestCase );
+
+// also include in its own registry so that these tests can be run alone
+CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( EllipsizationTestCase, "EllipsizationTestCase" );
+
+void EllipsizationTestCase::NormalCase()
+{
+    wxMemoryDC dc;
+
+    static const char *stringsToTest[] =
+    {
+        "N",
+        ".",
+        "x",
+        "foobar",
+        "\xCE\xB1", // U03B1 (GREEK SMALL LETTER ALPHA)
+        "Another test",
+        "a very very very very very very very long string",
+        // alpha+beta+gamma+delta+epsilon+zeta+eta+theta+iota
+        "\xCE\xB1\xCE\xB2\xCE\xB3\xCE\xB4\xCE\xB5\xCE\xB6\xCE\xB7\xCE\xB8\xCE\xB9",
+        "\t", "\t\t\t\t\t", "a\tstring\twith\ttabs",
+        "\n", "\n\n\n\n\n", "a\nstring\nwith\nnewlines",
+        "&", "&&&&&&&", "a&string&with&newlines",
+        "\t\n&", "a\t\n&string\t\n&with\t\n&many\t\n&chars"
+    };
+
+    static const int flagsToTest[] =
+    {
+        0,
+        wxELLIPSIZE_FLAGS_PROCESS_MNEMONICS,
+        wxELLIPSIZE_FLAGS_EXPAND_TABS,
+        wxELLIPSIZE_FLAGS_PROCESS_MNEMONICS | wxELLIPSIZE_FLAGS_EXPAND_TABS
+    };
+
+    static const wxEllipsizeMode modesToTest[] =
+    {
+        wxELLIPSIZE_START,
+        wxELLIPSIZE_MIDDLE,
+        wxELLIPSIZE_END
+    };
+
+    int widthsToTest[] = { 50, 100, 150 };
+
+    for ( unsigned int s = 0; s < WXSIZEOF(stringsToTest); s++ )
+    {
+        const wxString str = wxString::FromUTF8(stringsToTest[s]);
+
+        for ( unsigned int  f = 0; f < WXSIZEOF(flagsToTest); f++ )
+        {
+            for ( unsigned int m = 0; m < WXSIZEOF(modesToTest); m++ )
+            {
+                for ( unsigned int w = 0; w < WXSIZEOF(widthsToTest); w++ )
+                {
+                    wxString ret = wxControl::Ellipsize
+                                   (
+                                    str,
+                                    dc,
+                                    modesToTest[m],
+                                    widthsToTest[w],
+                                    flagsToTest[f]
+                                   );
+
+                    WX_ASSERT_MESSAGE
+                    (
+                     (
+                        "invalid ellipsization for \"%s\" (%dpx, should be <=%dpx)",
+                        str,
+                        dc.GetMultiLineTextExtent(ret).GetWidth(),
+                        widthsToTest[w]
+                     ),
+                     dc.GetMultiLineTextExtent(ret).GetWidth() <= widthsToTest[w]
+                    );
+                }
+            }
+        }
+    }
+}
+
+
+void EllipsizationTestCase::EnoughSpace()
+{
+    // No ellipsization should occur if there's plenty of space.
+
+    wxMemoryDC dc;
+
+    CPPUNIT_ASSERT_EQUAL("some label",
+                         wxControl::Ellipsize("some label", dc, wxELLIPSIZE_START, 200));
+    CPPUNIT_ASSERT_EQUAL("some label",
+                         wxControl::Ellipsize("some label", dc, wxELLIPSIZE_MIDDLE, 200));
+    CPPUNIT_ASSERT_EQUAL("some label",
+                         wxControl::Ellipsize("some label", dc, wxELLIPSIZE_END, 200));
+}
+
+
+void EllipsizationTestCase::VeryLittleSpace()
+{
+    // If there's not enough space, the shortened label should still contain "..." and one character
+
+    wxMemoryDC dc;
+
+    CPPUNIT_ASSERT_EQUAL("...l",
+                         wxControl::Ellipsize("some label", dc, wxELLIPSIZE_START, 5));
+    CPPUNIT_ASSERT_EQUAL("s...",
+                         wxControl::Ellipsize("some label", dc, wxELLIPSIZE_MIDDLE, 5));
+    CPPUNIT_ASSERT_EQUAL("s...",
+                         wxControl::Ellipsize("some label1", dc, wxELLIPSIZE_MIDDLE, 5));
+    CPPUNIT_ASSERT_EQUAL("s...",
+                         wxControl::Ellipsize("some label", dc, wxELLIPSIZE_END, 5));
+}
+
+
+void EllipsizationTestCase::HasThreeDots()
+{
+    wxMemoryDC dc;
+
+    CPPUNIT_ASSERT( wxControl::Ellipsize("some longer text", dc, wxELLIPSIZE_START, 80).StartsWith("...") );
+    CPPUNIT_ASSERT( !wxControl::Ellipsize("some longer text", dc, wxELLIPSIZE_START, 80).EndsWith("...") );
+
+    CPPUNIT_ASSERT( wxControl::Ellipsize("some longer text", dc, wxELLIPSIZE_END, 80).EndsWith("...") );
+
+    CPPUNIT_ASSERT( wxControl::Ellipsize("some longer text", dc, wxELLIPSIZE_MIDDLE, 80).Contains("...") );
+    CPPUNIT_ASSERT( !wxControl::Ellipsize("some longer text", dc, wxELLIPSIZE_MIDDLE, 80).StartsWith("...") );
+    CPPUNIT_ASSERT( !wxControl::Ellipsize("some longer text", dc, wxELLIPSIZE_MIDDLE, 80).EndsWith("...") );
+}