initial commit

oscar64/autotest/opp_streamtest.cpp

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+#include <opp/string.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <opp/sstream.h>
+#include <math.h>
+
+using opp::ostringstream;
+using opp::istringstream;
+using opp::endl;
+
+float fdist(float a, float b)
+{
+	float d = fabs(a - b);
+	a = fabs(a);
+	b = fabs(b);
+	return d / (a > b ? a : b);
+}
+
+int main(void)
+{
+	ostringstream	os;
+
+	for(int i=0; i<40; i++)
+	{
+		os << i << endl;
+	}
+
+	istringstream	is(os.str());
+
+	int j = 0, k = 47;
+#if 1
+
+	while (is >> k)
+	{
+		assert(k == j++);
+	}
+
+	assert(j == 40);
+#endif
+	os.str(opp::string());
+
+#if 0
+	cout << "[" << os.str() << "]" << endl;
+	os << "HELLO";
+	cout << "[" << os.str() << "]" << endl;
+#endif
+#if 1
+
+	float	f = 1.0, g = 1.0;
+
+	for(int i=0; i<10; i++)
+	{
+		os << f << " " << g << endl;
+//		cout << os.str();
+
+		f *= 5.1;
+		g *= 0.12;
+	}
+
+
+	is.str(os.str());
+
+	f = 1.0, g = 1.0;
+
+	float	 fr, gr;
+
+	j = 0;
+	while (is >> fr >> gr)
+	{
+//		cout << f << " " << fr << ", " << g << " " << gr << ", " << fdist(fr, f) << endl;
+
+		assert(fdist(fr, f) < 1.0e-5);
+		assert(fdist(gr, g) < 1.0e-5);
+
+		f *= 5.1;
+		g *= 0.12;
+		j++;
+	}
+
+	assert(j == 10);
+#endif
+	return 0;
+}