Refactored BWidthBuffer test into something more useful.

Looks like the class has some problems (hangs while calculating width of 
lines inside termcap, cf bug #1690


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24070 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tests/kits/interface/Jamfile

@@ -11,7 +11,6 @@ SEARCH_SOURCE += [ FDirName $(SUBDIR) bbitmap ] ;
 SEARCH_SOURCE += [ FDirName $(SUBDIR) bdeskbar ] ;
 SEARCH_SOURCE += [ FDirName $(SUBDIR) bpolygon ] ;
 SEARCH_SOURCE += [ FDirName $(SUBDIR) bregion ] ;
-SEARCH_SOURCE += [ FDirName $(SUBDIR) bwidthbuffer ] ;
 
 SEARCH_SOURCE += [ FDirName $(TOP) src kits interface ] ;
 
@@ -49,10 +48,6 @@ UnitTestLib libinterfacetest.so
 		RegionIntersect.cpp
 		RegionOffsetBy.cpp
 		
-		#_BWidthBuffer_
-		WidthBufferTest.cpp
-		WidthBufferSimpleTest.cpp
-
 	: be $(TARGET_LIBSTDC++)
 ;
 
@@ -128,6 +123,12 @@ Application MenuTriggerTest :
 	: be
 ;
 
+
+SimpleTest WidthBufferTest :
+	WidthBufferTest.cpp
+	: be
+;
+
 SEARCH on [ FGristFiles
 		ScrollView.cpp CheckBox.cpp ChannelSlider.cpp ChannelControl.cpp Slider.cpp Control.cpp
 	] = [ FDirName $(HAIKU_TOP) src kits interface ] ;

src/tests/kits/interface/WidthBufferTest.cpp

@@ -0,0 +1,89 @@
+/* 
+** Copyright 2008, Stefano Ceccherini (stefano.ceccherini@gmail.com).
+** All rights reserved.
+** Distributed under the terms of the Haiku License.
+*/
+
+#include <Application.h>
+#include <Font.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <WidthBuffer.h>
+
+
+class App : public BApplication {
+public:
+	App();
+	~App();
+	virtual void ReadyToRun();
+	
+private:
+	_BWidthBuffer_ *fWidthBuffer;
+	thread_id fThread;
+	
+	int32 TesterFunc();
+	static int32 _thread(void *data);
+	
+};
+
+
+int main()
+{
+	App app;
+	app.Run();
+	return 0;
+}
+
+
+App::App()
+	:BApplication("application/x-vnd-WidthBufferTest")
+{
+	fWidthBuffer = new _BWidthBuffer_;
+	fThread = spawn_thread(App::_thread, "widthbuffer tester", 
+				B_NORMAL_PRIORITY, this);
+}
+
+ 
+void
+App::ReadyToRun()
+{
+	resume_thread(fThread);
+}
+
+
+App::~App()
+{
+	status_t status;
+	wait_for_thread(fThread, &status);
+	delete fWidthBuffer;
+}
+
+
+int32
+App::TesterFunc()
+{
+	FILE *file = fopen("/boot/beos/etc/termcap", "r");
+	if (file != NULL) {
+		char buffer[512];
+		while (fgets(buffer, 512, file)) {
+			float width = fWidthBuffer->StringWidth(buffer, 0,
+							strlen(buffer), be_plain_font);
+			printf("string: %s, width: %f\n", buffer, width);
+		}
+		fclose(file);
+	}
+
+	PostMessage(B_QUIT_REQUESTED);
+	
+	return 0;
+}
+
+
+int32
+App::_thread(void *data)
+{
+	return static_cast<App *>(data)->TesterFunc();
+}
+

src/tests/kits/interface/bwidthbuffer/WidthBufferSimpleTest.cpp

@@ -1,82 +0,0 @@
-#include "WidthBufferSimpleTest.h"
-#include "cppunit/TestCaller.h"
-
-#include <Application.h>
-#include <Font.h>
-
-#include <stdio.h>
-
-// Needed because it isn't available in beos headers
-double round(float n)
-{	
-	int32 tmp = (int32)floor(n + 0.5);
-	return (double)tmp;
-}
-
-
-WidthBufferSimpleTest::WidthBufferSimpleTest(std::string name) :
-		BTestCase(name)
-{
-	fWidthBuffer = new _BWidthBuffer_;
-}
-
- 
-
-WidthBufferSimpleTest::~WidthBufferSimpleTest()
-{
-	delete fWidthBuffer;
-}
-
-
-void 
-WidthBufferSimpleTest::PerformTest(void)
-{
-	const char *str = "Something";
-	const char *str2 = "Some Text";
-	const char *longString = "ABCDEFGHIJKLMNOPQRSTUVYXWZ abcdefghijklmnopqrstuvwyxz";
-	
-	// Some charachters which takes more than one byte
-	const char *str3 = "30u8g 2342 42nfrç°S£^GF°W§|£^?£ç$£!1ààà'ì";
-	
-	const BFont *font = be_plain_font;
-	
-	// We use round() here because the width returned by
-	// _BWidthBuffer_::StringWidth() isn't _exactly_ the same
-	// as the one returned by BFont::StringWidth();
-	float width = fWidthBuffer->StringWidth(str, 0, strlen(str), font);
-	CPPUNIT_ASSERT(round(width) == font->StringWidth(str)); 
-	
-	width = fWidthBuffer->StringWidth(str2, 0, strlen(str2), font);
-	CPPUNIT_ASSERT(round(width) == font->StringWidth(str2));
-	
-	width = fWidthBuffer->StringWidth(longString, 0, strlen(longString), font);
-	CPPUNIT_ASSERT(round(width) == font->StringWidth(longString));
-	
-	// pass the first string again, it should be completely cached
-	// in _BWidthBuffer_'s hash table
-	width = fWidthBuffer->StringWidth(str, 0, strlen(str), font);
-	CPPUNIT_ASSERT(round(width) == font->StringWidth(str)); 
-	
-	width = fWidthBuffer->StringWidth(str3, 0, strlen(str3), font);
-	CPPUNIT_ASSERT(round(width) == font->StringWidth(str3)); 
-	
-	// choose a different font and ask the same strings as before
-	font = be_fixed_font;
-	width = fWidthBuffer->StringWidth(longString, 0, strlen(longString), font);
-	CPPUNIT_ASSERT(round(width) == font->StringWidth(longString));
-	
-	width = fWidthBuffer->StringWidth(str, 0, strlen(str), font);
-	CPPUNIT_ASSERT(round(width) == font->StringWidth(str)); 
-	
-	width = fWidthBuffer->StringWidth(str2, 0, strlen(str2), font);
-	CPPUNIT_ASSERT(round(width) == font->StringWidth(str2));
-}
-
-
-CppUnit::Test *WidthBufferSimpleTest::suite(void)
-{	
-	typedef CppUnit::TestCaller<WidthBufferSimpleTest>
-		WidthBufferSimpleTestCaller;
-		
-	return(new WidthBufferSimpleTestCaller("_BWidthBuffer_::Simple Test", &WidthBufferSimpleTest::PerformTest));
-}

src/tests/kits/interface/bwidthbuffer/WidthBufferSimpleTest.h

@@ -1,19 +0,0 @@
-#ifndef __WidthBufferSIMPLETest_H
-#define __WidthBufferSIMPLETest_H
-
-#include "TestCase.h"
-#include <WidthBuffer.h>
-
-class WidthBufferSimpleTest : public BTestCase
-{
-public:
-	static Test *suite(void);
-	void PerformTest(void);
-	WidthBufferSimpleTest(std::string name = "");
-	virtual ~WidthBufferSimpleTest();
-
-private:
-	_BWidthBuffer_ *fWidthBuffer;
-};
-	
-#endif

src/tests/kits/interface/bwidthbuffer/WidthBufferTest.cpp

@@ -1,14 +0,0 @@
-#include "cppunit/Test.h"
-#include "cppunit/TestSuite.h"
-#include "WidthBufferTest.h"
-#include "WidthBufferSimpleTest.h"
-
-
-CppUnit::Test *WidthBufferTestSuite()
-{
-	CppUnit::TestSuite *testSuite = new CppUnit::TestSuite();
-	
-	testSuite->addTest(WidthBufferSimpleTest::suite());	
-	
-	return testSuite;
-}

src/tests/kits/interface/bwidthbuffer/WidthBufferTest.h

@@ -1,8 +0,0 @@
-#ifndef __WIDTHBUFFER_TEST_H
-#define __WIDTHBUFFER_TEST_H
-
-class CppUnit::Test;
-
-CppUnit::Test *WidthBufferTestSuite();
-
-#endif	__WIDTHBUFFER_TEST_H