1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/test/tools/javac/literals/BadUnderscoreLiterals.java Wed Apr 27 01:34:52 2016 +0800 1.3 @@ -0,0 +1,48 @@ 1.4 +/* 1.5 + * @test /nodynamiccopyright/ 1.6 + * @bug 6860973 1.7 + * @summary Project Coin: underscores in literals 1.8 + * 1.9 + * @compile/fail BadUnderscoreLiterals.java 1.10 + * @compile/fail/ref=BadUnderscoreLiterals.7.out -XDrawDiagnostics BadUnderscoreLiterals.java 1.11 + * 1.12 + * @compile/fail -source 6 BadUnderscoreLiterals.java 1.13 + * @compile/fail/ref=BadUnderscoreLiterals.6.out -XDrawDiagnostics -source 6 -Xlint:-options BadUnderscoreLiterals.java 1.14 + */ 1.15 + 1.16 +public class BadUnderscoreLiterals { 1.17 + int valid = 1_1; // valid literal; illegal in -source 6 1.18 + 1.19 + // test zero 1.20 + int z1 = _0; // valid (but undefined) variable 1.21 + int z2 = 0_; // trailing underscore 1.22 + 1.23 + // test simple (decimal) integers 1.24 + int i1 = _1_2_3; // valid (but undefined) variable 1.25 + int i2 = 1_2_3_; // trailing underscore 1.26 + 1.27 + // test binary integers 1.28 + int b1 = 0b_0; // leading underscore after radix 1.29 + int b2 = 0b0_; // trailing underscore 1.30 + 1.31 + // test hexadecimal integers 1.32 + int x1 = 0x_0; // leading underscore after radix 1.33 + int x2 = 0x0_; // trailing underscore 1.34 + 1.35 + // test floating point numbers 1.36 + float f1 = 0_.1; // trailing underscore before decimal point 1.37 + float f2 = 0._1; // leading underscore after decimal point 1.38 + float f3 = 0.1_; // trailing underscore 1.39 + float f4 = 0.1_e0; // trailing underscore before exponent 1.40 + float f5 = 0e_1; // leading underscore in exponent 1.41 + float f6 = 0e1_; // trailing underscore in exponent 1.42 + 1.43 + // hexadecimal floating point 1.44 + float xf1 = 0x_0.1p0; // leading underscore after radix 1.45 + float xf2 = 0x0_.1p0; // trailing underscore before decimal point 1.46 + float xf3 = 0x0._1p0; // leading underscore after decimal point 1.47 + float xf4 = 0x0.1_p0; // trailing underscore before exponent 1.48 + float xf5 = 0x0p_1; // leading underscore after exponent 1.49 + float xf6 = 0x0p1_; // trailing underscore 1.50 +} 1.51 +