1/*
2 * @test /nodynamiccopyright/
3 * @bug 6860973
4 * @summary Project Coin: underscores in literals
5 *
6 * @compile/fail/ref=BadUnderscoreLiterals.7.out -XDrawDiagnostics BadUnderscoreLiterals.java
7 * @compile/fail/ref=BadUnderscoreLiterals.6.out -XDrawDiagnostics -source 6 -Xlint:-options BadUnderscoreLiterals.java
8 */
9
10public class BadUnderscoreLiterals {
11    int valid = 1_1;            // valid literal; illegal in -source 6
12
13    // test zero
14    int z1 = _0;                // valid (but undefined) variable
15    int z2 = 0_;                // trailing underscore
16
17    // test simple (decimal) integers
18    int i1 = _1_2_3;            // valid (but undefined) variable
19    int i2 = 1_2_3_;            // trailing underscore
20
21    // test binary integers
22    int b1 = 0b_0;              // leading underscore after radix
23    int b2 = 0b0_;              // trailing underscore
24
25    // test hexadecimal integers
26    int x1 = 0x_0;              // leading underscore after radix
27    int x2 = 0x0_;              // trailing underscore
28
29    // test floating point numbers
30    float f1 = 0_.1;            // trailing underscore before decimal point
31    float f2 = 0._1;            // leading underscore after decimal point
32    float f3 = 0.1_;            // trailing underscore
33    float f4 = 0.1_e0;          // trailing underscore before exponent
34    float f5 = 0e_1;            // leading underscore in exponent
35    float f6 = 0e1_;            // trailing underscore in exponent
36
37    // hexadecimal floating point
38    float xf1 = 0x_0.1p0;       // leading underscore after radix
39    float xf2 = 0x0_.1p0;       // trailing underscore before decimal point
40    float xf3 = 0x0._1p0;       // leading underscore after decimal point
41    float xf4 = 0x0.1_p0;       // trailing underscore before exponent
42    float xf5 = 0x0p_1;         // leading underscore after exponent
43    float xf6 = 0x0p1_;         // trailing underscore
44}
45
46