170 lines
3.7 KiB
Java
170 lines
3.7 KiB
Java
public class CastTest
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{
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public static void main(String args[])
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{
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d2d();
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l2d2l();
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d2l2d();
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f2d2f();
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d2f2d();
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i2f2i();
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l2f2l();
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f2l2f();
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}
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static void d2d()
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{
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String msg = "double -> double ";
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try {
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double dvalue1 = 4.2;
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double dvalue2 = (double)dvalue1;
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if (dvalue1 != dvalue2)
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failed(msg + dvalue1 + " != " + dvalue2);
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else
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passed(msg + dvalue1 + " == " + dvalue2);
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}
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catch (Exception e)
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{
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failed(msg + " : exception " + e.toString());
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}
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}
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static void l2f2l()
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{
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String msg = "long -> float -> long ";
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try {
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long lvalue = 123;
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float fvalue = (float)lvalue;
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long lvalue2 = (long)fvalue;
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if (lvalue != lvalue2)
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failed(msg + lvalue + " != " + lvalue2 + " (float)" + fvalue);
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else
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passed(msg + lvalue + " == " + lvalue2 + " (float)" + fvalue);
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}
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catch (Exception e)
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{
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failed(msg + " : exception " + e.toString());
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}
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}
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static void i2f2i()
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{
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String msg = "int -> float -> int ";
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try {
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int ivalue = 123;
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float fvalue = (float)ivalue;
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int ivalue2 = (int)fvalue;
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if (ivalue != ivalue2)
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failed(msg + ivalue + " != " + ivalue2 + " (float)" + fvalue);
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else
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passed(msg + ivalue + " == " + ivalue2 + " (float)" + fvalue);
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}
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catch (Exception e)
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{
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failed(msg + " : exception " + e.toString());
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}
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}
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static void f2d2f()
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{
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String msg = "float -> double -> float ";
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try {
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float fvalue = 123.0f;
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double dvalue = (double)fvalue;
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float fvalue2 = (float)dvalue;
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if (fvalue != fvalue2)
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failed(msg + fvalue + " != " + fvalue2 + " (double)" + dvalue);
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else
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passed(msg + fvalue + " == " + fvalue2 + " (double)" + dvalue);
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}
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catch (Exception e)
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{
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failed(msg + " : exception " + e.toString());
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}
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}
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static void f2l2f()
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{
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String msg = "float -> long -> float ";
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try {
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float fvalue = 123.0f;
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long lvalue = (long)fvalue;
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float fvalue2 = (float)lvalue;
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if (fvalue != fvalue2)
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failed(msg + fvalue + " != " + fvalue2 + " (long)" + lvalue);
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else
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passed(msg + fvalue + " == " + fvalue2 + " (long)" + lvalue);
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}
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catch (Exception e)
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{
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failed(msg + " : exception " + e.toString());
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}
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}
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static void d2f2d()
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{
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String msg = "double -> float -> double ";
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try {
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double dvalue = 123.0;
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float fvalue = (float)dvalue;
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double dvalue2 = (double)fvalue;
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if (dvalue != dvalue2)
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failed(msg + dvalue + " != " + dvalue2 + " (float)" + fvalue);
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else
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passed(msg + dvalue + " == " + dvalue2 + " (float)" + fvalue);
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}
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catch (Exception e)
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{
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failed(msg + " : exception " + e.toString());
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}
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}
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static void l2d2l()
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{
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String msg = "long -> double -> long ";
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try {
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long lvalue = 1023;
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double dvalue = (double)lvalue;
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long lvalue2 = (long)dvalue;
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if (lvalue != lvalue2)
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failed(msg + lvalue + " != " + lvalue2 + " (double)" + dvalue);
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else
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passed(msg + lvalue + " == " + lvalue2 + " (double)" + dvalue);
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}
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catch (Exception e)
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{
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failed(msg + " : exception " + e.toString());
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}
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}
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static void d2l2d()
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{
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String msg = "double -> long -> double ";
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try {
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double dvalue = 123.0;
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long lvalue = (long)dvalue;
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double dvalue2 = (double)lvalue;
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if (dvalue != dvalue2)
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failed(msg + dvalue + " != " + dvalue2 + " (long)" + lvalue);
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else
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passed(msg + dvalue + " == " + dvalue2 + " (long)" + lvalue);
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}
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catch (Exception e)
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{
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failed(msg + " : exception " + e.toString());
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}
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}
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static void passed(String msg)
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{
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System.out.println("PASSED: "+msg);
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}
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static void failed(String msg)
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{
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System.out.println("FAILED: "+msg);
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}
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}
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