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23 
24 import org.testng.annotations.DataProvider;
25 import org.testng.annotations.Test;
26 
27 import static org.testng.Assert.assertEquals;
28 
29 /*
30  * @test
31  * @bug 8077559
32  * @summary Tests Compact String. This one is for String.startsWith.
33  * @run testng/othervm -XX:+CompactStrings StartsWith
34  * @run testng/othervm -XX:-CompactStrings StartsWith
35  */
36 
37 public class StartsWith extends CompactString {
38 
39     @DataProvider
provider()40     public Object[][] provider() {
41         return new Object[][] {
42                 new Object[] {STRING_EMPTY, "", 0, true},
43                 new Object[] {STRING_EMPTY, "A", 0, false},
44                 new Object[] {STRING_EMPTY, "", 0, true},
45                 new Object[] {STRING_EMPTY, "", -1, false},
46                 new Object[] {STRING_L1, "A", 0, true},
47                 new Object[] {STRING_L1, "A", -1, false},
48                 new Object[] {STRING_L1, "A", 1, false},
49                 new Object[] {STRING_L2, "B", 1, true},
50                 new Object[] {STRING_L2, "B", 0, false},
51                 new Object[] {STRING_L2, "A", 0, true},
52                 new Object[] {STRING_L2, "AB", 1, false},
53                 new Object[] {STRING_L4, "ABC", 0, true},
54                 new Object[] {STRING_LLONG, "ABCDEFGH", 0, true},
55                 new Object[] {STRING_LLONG, "ABCDE", 0, true},
56                 new Object[] {STRING_LLONG, "CDE", 0, false},
57                 new Object[] {STRING_LLONG, "FG", 5, true},
58                 new Object[] {STRING_U1, "\uFF21", 0, true},
59                 new Object[] {STRING_U1, "", 1, true},
60                 new Object[] {STRING_U1, "\uFF21", 0, true},
61                 new Object[] {STRING_U1, "A", 0, false},
62                 new Object[] {STRING_U2, "\uFF21\uFF22", 0, true},
63                 new Object[] {STRING_U2, "\uFF21", 0, true},
64                 new Object[] {STRING_U2, "\uFF22", 0, false},
65                 new Object[] {STRING_U2, "", 0, true},
66                 new Object[] {STRING_M12, "\uFF21", 0, true},
67                 new Object[] {STRING_M12, "\uFF21A", 0, true},
68                 new Object[] {STRING_M12, "A", 0, false},
69                 new Object[] {STRING_M12, "\uFF21A", 0, true},
70                 new Object[] {STRING_M12, "A", 1, true},
71                 new Object[] {STRING_M11, "A", 0, true},
72                 new Object[] {STRING_M11, "A\uFF21", 0, true},
73                 new Object[] {STRING_M11, "A\uFF21", 0, true},
74                 new Object[] {STRING_M11, "\uFF21", 1, true},
75                 new Object[] {STRING_UDUPLICATE,
76                         "\uFF21\uFF22\uFF21\uFF22\uFF21\uFF22\uFF21\uFF22\uFF21\uFF22",
77                         0, true},
78                 new Object[] {STRING_UDUPLICATE,
79                         "\uFF21\uFF22\uFF21\uFF22\uFF21\uFF22", 0, true},
80                 new Object[] {STRING_UDUPLICATE,
81                         "\uFF21\uFF22\uFF21\uFF22\uFF21\uFF22", 2, true},
82                 new Object[] {STRING_UDUPLICATE,
83                         "\uFF21\uFF22\uFF21\uFF22\uFF21\uFF22", 5, false},
84                 new Object[] {STRING_MDUPLICATE1,
85                         "\uFF21A\uFF21A\uFF21A\uFF21A\uFF21A", 0, true},
86                 new Object[] {STRING_MDUPLICATE1,
87                         "\uFF21A\uFF21A\uFF21A\uFF21A\uFF21", 0, true},
88                 new Object[] {STRING_MDUPLICATE1, "A\uFF21A\uFF21A\uFF21A", 1, true},
89                 new Object[] {STRING_SUPPLEMENTARY, "\uDC01\uFF21", 3, true},
90         };
91     }
92 
93     @Test(dataProvider = "provider")
testStartsWith(String str, String prefix, int toffset, boolean expected)94     public void testStartsWith(String str, String prefix, int toffset,
95             boolean expected) {
96         map.get(str)
97                 .forEach(
98                         (source, data) -> {
99                             assertEquals(
100                                     data.startsWith(prefix, toffset),
101                                     expected,
102                                     String.format(
103                                             "testing String(%s).startsWith(%s, %d), source : %s, ",
104                                             escapeNonASCIIs(data),
105                                             escapeNonASCIIs(prefix), toffset,
106                                             source));
107                         });
108     }
109 }
110