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Refactor concat, add __concat metatag

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This commit is contained in:
James Roseborough
2010-08-22 17:35:08 +00:00
parent 31c7c5f2b5
commit 02b22b1e0d
10 changed files with 227 additions and 64 deletions
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74
test/junit/org/luaj/vm2/UnaryBinaryOperatorsTest.java
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@@ -572,4 +572,78 @@ public class UnaryBinaryOperatorsTest extends TestCase {
assertEquals(t, aaa.lteq(aaa));
assertEquals(t, aaa.gteq(aaa));
}
public void testBuffer() {
LuaValue abc = LuaValue.valueOf("abcdefghi").substring(0,3);
LuaValue def = LuaValue.valueOf("abcdefghi").substring(3,6);
LuaValue ghi = LuaValue.valueOf("abcdefghi").substring(6,9);
LuaValue n123 = LuaValue.valueOf(123);
// basic append
Buffer b = new Buffer(); assertEquals( "", b.value().tojstring() );
b.append(def); assertEquals( "def", b.value().tojstring() );
b.append(abc); assertEquals( "defabc", b.value().tojstring() );
b.append(ghi); assertEquals( "defabcghi", b.value().tojstring() );
b.append(n123); assertEquals( "defabcghi123", b.value().tojstring() );
// basic prepend
b = new Buffer(); assertEquals( "", b.value().tojstring() );
b.prepend(def.strvalue()); assertEquals( "def", b.value().tojstring() );
b.prepend(ghi.strvalue()); assertEquals( "ghidef", b.value().tojstring() );
b.prepend(abc.strvalue()); assertEquals( "abcghidef", b.value().tojstring() );
b.prepend(n123.strvalue()); assertEquals( "123abcghidef", b.value().tojstring() );
// mixed append, prepend
b = new Buffer(); assertEquals( "", b.value().tojstring() );
b.append(def); assertEquals( "def", b.value().tojstring() );
b.append(abc); assertEquals( "defabc", b.value().tojstring() );
b.prepend(ghi.strvalue()); assertEquals( "ghidefabc", b.value().tojstring() );
b.prepend(n123.strvalue()); assertEquals( "123ghidefabc", b.value().tojstring() );
b.append(def); assertEquals( "123ghidefabcdef", b.value().tojstring() );
b.append(abc); assertEquals( "123ghidefabcdefabc", b.value().tojstring() );
b.prepend(ghi.strvalue()); assertEquals( "ghi123ghidefabcdefabc", b.value().tojstring() );
b.prepend(n123.strvalue()); assertEquals( "123ghi123ghidefabcdefabc", b.value().tojstring() );
// value
b = new Buffer(def); assertEquals( "def", b.value().tojstring() );
b.append(abc); assertEquals( "defabc", b.value().tojstring() );
b.prepend(ghi.strvalue()); assertEquals( "ghidefabc", b.value().tojstring() );
b.setvalue(def); assertEquals( "def", b.value().tojstring() );
b.prepend(ghi.strvalue()); assertEquals( "ghidef", b.value().tojstring() );
b.append(abc); assertEquals( "ghidefabc", b.value().tojstring() );
}
public void testConcat() {
LuaValue abc = LuaValue.valueOf("abcdefghi").substring(0,3);
LuaValue def = LuaValue.valueOf("abcdefghi").substring(3,6);
LuaValue ghi = LuaValue.valueOf("abcdefghi").substring(6,9);
LuaValue n123 = LuaValue.valueOf(123);
assertEquals( "abc", abc.tojstring() );
assertEquals( "def", def.tojstring() );
assertEquals( "ghi", ghi.tojstring() );
assertEquals( "123", n123.tojstring() );
assertEquals( "abcabc", abc.concat(abc).tojstring() );
assertEquals( "defghi", def.concat(ghi).tojstring() );
assertEquals( "ghidef", ghi.concat(def).tojstring() );
assertEquals( "ghidefabcghi", ghi.concat(def).concat(abc).concat(ghi).tojstring() );
assertEquals( "123def", n123.concat(def).tojstring() );
assertEquals( "def123", def.concat(n123).tojstring() );
}
public void testConcatBuffer() {
LuaValue abc = LuaValue.valueOf("abcdefghi").substring(0,3);
LuaValue def = LuaValue.valueOf("abcdefghi").substring(3,6);
LuaValue ghi = LuaValue.valueOf("abcdefghi").substring(6,9);
LuaValue n123 = LuaValue.valueOf(123);
Buffer b;
b = new Buffer(def); assertEquals( "def", b.value().tojstring() );
b = ghi.concat(b); assertEquals( "ghidef", b.value().tojstring() );
b = abc.concat(b); assertEquals( "abcghidef", b.value().tojstring() );
b = n123.concat(b); assertEquals( "123abcghidef", b.value().tojstring() );
b.setvalue(n123);
b = def.concat(b); assertEquals( "def123", b.value().tojstring() );
b = abc.concat(b); assertEquals( "abcdef123", b.value().tojstring() );
}
}