jdk8-mips64-public/langtools: test/tools/javac/literals/BadUnderscoreLiterals.java@0b6cc4ea670f

     1 /*

     2  * @test /nodynamiccopyright/

     3  * @bug 6860973

     4  * @summary Project Coin: underscores in literals

     5  *

     6  * @compile/fail BadUnderscoreLiterals.java

     7  * @compile/fail/ref=BadUnderscoreLiterals.7.out -XDrawDiagnostics BadUnderscoreLiterals.java

     8  *

     9  * @compile/fail -source 6 BadUnderscoreLiterals.java

    10  * @compile/fail/ref=BadUnderscoreLiterals.6.out -XDrawDiagnostics -source 6 -Xlint:-options BadUnderscoreLiterals.java

    11  */

    13 public class BadUnderscoreLiterals {

    14     int valid = 1_1;            // valid literal; illegal in -source 6

    16     // test zero

    17     int z1 = _0;                // valid (but undefined) variable

    18     int z2 = 0_;                // trailing underscore

    20     // test simple (decimal) integers

    21     int i1 = _1_2_3;            // valid (but undefined) variable

    22     int i2 = 1_2_3_;            // trailing underscore

    24     // test binary integers

    25     int b1 = 0b_0;              // leading underscore after radix

    26     int b2 = 0b0_;              // trailing underscore

    28     // test hexadecimal integers

    29     int x1 = 0x_0;              // leading underscore after radix

    30     int x2 = 0x0_;              // trailing underscore

    32     // test floating point numbers

    33     float f1 = 0_.1;            // trailing underscore before decimal point

    34     float f2 = 0._1;            // leading underscore after decimal point

    35     float f3 = 0.1_;            // trailing underscore

    36     float f4 = 0.1_e0;          // trailing underscore before exponent

    37     float f5 = 0e_1;            // leading underscore in exponent

    38     float f6 = 0e1_;            // trailing underscore in exponent

    40     // hexadecimal floating point

    41     float xf1 = 0x_0.1p0;       // leading underscore after radix

    42     float xf2 = 0x0_.1p0;       // trailing underscore before decimal point

    43     float xf3 = 0x0._1p0;       // leading underscore after decimal point

    44     float xf4 = 0x0.1_p0;       // trailing underscore before exponent

    45     float xf5 = 0x0p_1;         // leading underscore after exponent

    46     float xf6 = 0x0p1_;         // trailing underscore

    47 }

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