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test/tools/javac/literals/BadUnderscoreLiterals.java@959103a6100f (annotated)

test/tools/javac/literals/BadUnderscoreLiterals.java

Wed, 27 Apr 2016 01:34:52 +0800

author

aoqi

date

Wed, 27 Apr 2016 01:34:52 +0800

changeset 0

959103a6100f

child 2525

2eb010b6cb22

permissions

-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

aoqi@0	1	/*
aoqi@0	2	* @test /nodynamiccopyright/
aoqi@0	3	* @bug 6860973
aoqi@0	4	* @summary Project Coin: underscores in literals
aoqi@0	5	*
aoqi@0	6	* @compile/fail BadUnderscoreLiterals.java
aoqi@0	7	* @compile/fail/ref=BadUnderscoreLiterals.7.out -XDrawDiagnostics BadUnderscoreLiterals.java
aoqi@0	8	*
aoqi@0	9	* @compile/fail -source 6 BadUnderscoreLiterals.java
aoqi@0	10	* @compile/fail/ref=BadUnderscoreLiterals.6.out -XDrawDiagnostics -source 6 -Xlint:-options BadUnderscoreLiterals.java
aoqi@0	11	*/
aoqi@0	12
aoqi@0	13	public class BadUnderscoreLiterals {
aoqi@0	14	int valid = 1_1; // valid literal; illegal in -source 6
aoqi@0	15
aoqi@0	16	// test zero
aoqi@0	17	int z1 = _0; // valid (but undefined) variable
aoqi@0	18	int z2 = 0_; // trailing underscore
aoqi@0	19
aoqi@0	20	// test simple (decimal) integers
aoqi@0	21	int i1 = _1_2_3; // valid (but undefined) variable
aoqi@0	22	int i2 = 1_2_3_; // trailing underscore
aoqi@0	23
aoqi@0	24	// test binary integers
aoqi@0	25	int b1 = 0b_0; // leading underscore after radix
aoqi@0	26	int b2 = 0b0_; // trailing underscore
aoqi@0	27
aoqi@0	28	// test hexadecimal integers
aoqi@0	29	int x1 = 0x_0; // leading underscore after radix
aoqi@0	30	int x2 = 0x0_; // trailing underscore
aoqi@0	31
aoqi@0	32	// test floating point numbers
aoqi@0	33	float f1 = 0_.1; // trailing underscore before decimal point
aoqi@0	34	float f2 = 0._1; // leading underscore after decimal point
aoqi@0	35	float f3 = 0.1_; // trailing underscore
aoqi@0	36	float f4 = 0.1_e0; // trailing underscore before exponent
aoqi@0	37	float f5 = 0e_1; // leading underscore in exponent
aoqi@0	38	float f6 = 0e1_; // trailing underscore in exponent
aoqi@0	39
aoqi@0	40	// hexadecimal floating point
aoqi@0	41	float xf1 = 0x_0.1p0; // leading underscore after radix
aoqi@0	42	float xf2 = 0x0_.1p0; // trailing underscore before decimal point
aoqi@0	43	float xf3 = 0x0._1p0; // leading underscore after decimal point
aoqi@0	44	float xf4 = 0x0.1_p0; // trailing underscore before exponent
aoqi@0	45	float xf5 = 0x0p_1; // leading underscore after exponent
aoqi@0	46	float xf6 = 0x0p1_; // trailing underscore
aoqi@0	47	}
aoqi@0	48