aoqi@0: /*
aoqi@0:  * @test /nodynamiccopyright/
aoqi@0:  * @bug 6860973
aoqi@0:  * @summary Project Coin: underscores in literals
aoqi@0:  *
aoqi@0:  * @compile/fail BadUnderscoreLiterals.java
aoqi@0:  * @compile/fail/ref=BadUnderscoreLiterals.7.out -XDrawDiagnostics BadUnderscoreLiterals.java
aoqi@0:  *
aoqi@0:  * @compile/fail -source 6 BadUnderscoreLiterals.java
aoqi@0:  * @compile/fail/ref=BadUnderscoreLiterals.6.out -XDrawDiagnostics -source 6 -Xlint:-options BadUnderscoreLiterals.java
aoqi@0:  */
aoqi@0: 
aoqi@0: public class BadUnderscoreLiterals {
aoqi@0:     int valid = 1_1;            // valid literal; illegal in -source 6
aoqi@0: 
aoqi@0:     // test zero
aoqi@0:     int z1 = _0;                // valid (but undefined) variable
aoqi@0:     int z2 = 0_;                // trailing underscore
aoqi@0: 
aoqi@0:     // test simple (decimal) integers
aoqi@0:     int i1 = _1_2_3;            // valid (but undefined) variable
aoqi@0:     int i2 = 1_2_3_;            // trailing underscore
aoqi@0: 
aoqi@0:     // test binary integers
aoqi@0:     int b1 = 0b_0;              // leading underscore after radix
aoqi@0:     int b2 = 0b0_;              // trailing underscore
aoqi@0: 
aoqi@0:     // test hexadecimal integers
aoqi@0:     int x1 = 0x_0;              // leading underscore after radix
aoqi@0:     int x2 = 0x0_;              // trailing underscore
aoqi@0: 
aoqi@0:     // test floating point numbers
aoqi@0:     float f1 = 0_.1;            // trailing underscore before decimal point
aoqi@0:     float f2 = 0._1;            // leading underscore after decimal point
aoqi@0:     float f3 = 0.1_;            // trailing underscore
aoqi@0:     float f4 = 0.1_e0;          // trailing underscore before exponent
aoqi@0:     float f5 = 0e_1;            // leading underscore in exponent
aoqi@0:     float f6 = 0e1_;            // trailing underscore in exponent
aoqi@0: 
aoqi@0:     // hexadecimal floating point
aoqi@0:     float xf1 = 0x_0.1p0;       // leading underscore after radix
aoqi@0:     float xf2 = 0x0_.1p0;       // trailing underscore before decimal point
aoqi@0:     float xf3 = 0x0._1p0;       // leading underscore after decimal point
aoqi@0:     float xf4 = 0x0.1_p0;       // trailing underscore before exponent
aoqi@0:     float xf5 = 0x0p_1;         // leading underscore after exponent
aoqi@0:     float xf6 = 0x0p1_;         // trailing underscore
aoqi@0: }
aoqi@0: