# 1) format plain int

a = 12;
b = sprintf("%i", a);

if (b != "12") exit(1);


# 2) format int with width

a = 12;
b = sprintf("%4i", a);

if (b != "  12") exit(2);


# 3) format int with zero fill

a = 12;
b = sprintf("%04i", a);

if (b != "0012") exit(3);


# 4) format int left adjusted

a = 12;
b = sprintf("%-4i", a);

if (b != "12  ") exit(4);


# 5) format int with sign

a = 12;
b = sprintf("%+i", a);

if (b != "+12") exit(5);


# 6) format plain float

a = 12.5;
b = sprintf("%f", a);

if (b != "12.500000") exit(6);


# 7) format float with width

a = 12.5;
b = sprintf("%10f", a);

if (b != " 12.500000") exit(7);


# 8) format float with zero fill

a = 12.5;
b = sprintf("%010f", a);

if (b != "012.500000") exit(8);


# 9) format float with sign

a = 12.5;
b = sprintf("%+10f", a);

if (b != "+12.500000") exit(9);


# 10) format float with precision

a = 12.5;
b = sprintf("%.2f", a);

if (b != "12.50") exit(10);


# 11) format float with left adjustment

a = 12.5;
b = sprintf("%-10f", a);

if (b != "12.500000 ") exit(11);


# 12) format plain string

a = "foo";
b = sprintf("%s", a);

if (b != "foo") exit(12);


# 13) format string with width

a = "foo";
b = sprintf("%6s", a);

if (b != "   foo") exit(13);


# 14) format string left adjusted

a = "foo";
b = sprintf("%-6s", a);

if (b != "foo   ") exit(14);


# 15) no format

b = sprintf("foo");

if (b != "foo") exit(15);


# 16) plain percent sign

b = sprintf("%%");

if (b != "%") exit(16);


# 17) multiple conversions

a = 12.5;
b = "foo";
c = sprintf("%2.2f %% %s", a, b);

if (c != "12.50 % foo") exit(17);


print("17 subtests ");