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test/tools/javac/literals/BadUnderscoreLiterals.java@69eaccd3ea85 (annotated)

test/tools/javac/literals/BadUnderscoreLiterals.java

Tue, 15 Sep 2009 18:36:21 -0700

author

jjg

date

Tue, 15 Sep 2009 18:36:21 -0700

changeset 409

69eaccd3ea85

child 757

c44234f680da

permissions

-rw-r--r--

6860965: Project Coin: binary literals
6860973: Project Coin: Underscores in literals
Summary: [Portions contributed by Bruce Chapman]
Reviewed-by: darcy

jjg@409	1	/*
jjg@409	2	* @test /nodynamiccopyright/
jjg@409	3	* @bug 6860973
jjg@409	4	* @summary Project Coin: underscores in literals
jjg@409	5	*
jjg@409	6	* @compile/fail BadUnderscoreLiterals.java
jjg@409	7	* @compile/fail/ref=BadUnderscoreLiterals.7.out -XDrawDiagnostics BadUnderscoreLiterals.java
jjg@409	8	*
jjg@409	9	* @compile/fail -source 6 BadUnderscoreLiterals.java
jjg@409	10	* @compile/fail/ref=BadUnderscoreLiterals.6.out -XDrawDiagnostics -source 6 BadUnderscoreLiterals.java
jjg@409	11	*/
jjg@409	12
jjg@409	13	public class BadUnderscoreLiterals {
jjg@409	14	int valid = 1_1; // valid literal; illegal in -source 6
jjg@409	15
jjg@409	16	// test zero
jjg@409	17	int z1 = _0; // valid (but undefined) variable
jjg@409	18	int z2 = 0_; // trailing underscore
jjg@409	19
jjg@409	20	// test simple (decimal) integers
jjg@409	21	int i1 = _1_2_3; // valid (but undefined) variable
jjg@409	22	int i2 = 1_2_3_; // trailing underscore
jjg@409	23
jjg@409	24	// test binary integers
jjg@409	25	int b1 = 0b_0; // leading underscore after radix
jjg@409	26	int b2 = 0b0_; // trailing underscore
jjg@409	27
jjg@409	28	// test hexadecimal integers
jjg@409	29	int x1 = 0x_0; // leading underscore after radix
jjg@409	30	int x2 = 0x0_; // trailing underscore
jjg@409	31
jjg@409	32	// test floating point numbers
jjg@409	33	float f1 = 0_.1; // trailing underscore before decimal point
jjg@409	34	float f2 = 0._1; // leading underscore after decimal point
jjg@409	35	float f3 = 0.1_; // trailing underscore
jjg@409	36	float f4 = 0.1_e0; // trailing underscore before exponent
jjg@409	37	float f5 = 0e_1; // leading underscore in exponent
jjg@409	38	float f6 = 0e1_; // trailing underscore in exponent
jjg@409	39
jjg@409	40	// hexadecimal floating point
jjg@409	41	float xf1 = 0x_0.1p0; // leading underscore after radix
jjg@409	42	float xf2 = 0x0_.1p0; // trailing underscore before decimal point
jjg@409	43	float xf3 = 0x0._1p0; // leading underscore after decimal point
jjg@409	44	float xf4 = 0x0.1_p0; // trailing underscore before exponent
jjg@409	45	float xf5 = 0x0p_1; // leading underscore after exponent
jjg@409	46	float xf6 = 0x0p1_; // trailing underscore
jjg@409	47	}
jjg@409	48