|
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 BadUnderscoreLiterals.java |
|
11 */ |
|
12 |
|
13 public class BadUnderscoreLiterals { |
|
14 int valid = 1_1; // valid literal; illegal in -source 6 |
|
15 |
|
16 // test zero |
|
17 int z1 = _0; // valid (but undefined) variable |
|
18 int z2 = 0_; // trailing underscore |
|
19 |
|
20 // test simple (decimal) integers |
|
21 int i1 = _1_2_3; // valid (but undefined) variable |
|
22 int i2 = 1_2_3_; // trailing underscore |
|
23 |
|
24 // test binary integers |
|
25 int b1 = 0b_0; // leading underscore after radix |
|
26 int b2 = 0b0_; // trailing underscore |
|
27 |
|
28 // test hexadecimal integers |
|
29 int x1 = 0x_0; // leading underscore after radix |
|
30 int x2 = 0x0_; // trailing underscore |
|
31 |
|
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 |
|
39 |
|
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 } |
|
48 |