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Add test for long substring.

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James Roseborough
2013-01-26 20:04:05 +00:00
parent 79ddb79c4d
commit 8a5e811c7f
1 changed files with 12 additions and 0 deletions
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12
test/junit/org/luaj/vm2/StringTest.java
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@@ -210,4 +210,16 @@ public class StringTest extends TestCase {
assertSame(sub1, sub2); assertSame(sub1, sub2);
assertFalse(src.m_bytes == sub1.m_bytes); assertFalse(src.m_bytes == sub1.m_bytes);
} }
public void testShortSubstringOfVeryLongStringGetsNewBacking() {
LuaString src = LuaString.valueOf(
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" +
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" );
LuaString sub1 = src.substring(10, 50);
LuaString sub2 = src.substring(10, 50);
assertEquals(sub1.m_offset, 0);
assertEquals(sub1.m_length, 40);
assertFalse(sub1 == sub2);
assertFalse(src.m_bytes == sub1.m_bytes);
}
} }