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Code Issues Wiki Activity

Additional testcase for large initializers.

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This commit is contained in:
Markus Schorn 2010-01-05 08:46:46 +00:00
parent 4ee2d59c6c
commit 3054286cc2
1 changed files with 35 additions and 0 deletions
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35
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2Tests.java
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@ -5996,6 +5996,41 @@ public class AST2Tests extends AST2BaseTest {
} }
} }
// struct MyStrcutType {};
// MyStructType Data [1000000] = {
// {1,2,3},
// 1.2,
// {
// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
// }
// };
public void testLargeTrivialAggregateInitializer_Bug253690() throws Exception {
sValidateCopy= false;
final int AMOUNT= 250000;
final StringBuffer[] input = getContents(3);
StringBuilder buf= new StringBuilder();
buf.append(input[0].toString());
final String line= input[1].toString();
for (int i = 0; i < AMOUNT/10; i++) {
buf.append(line);
}
buf.append(input[2].toString());
final String code= buf.toString();
for (ParserLanguage lang : ParserLanguage.values()) {
long mem= memoryUsed();
IASTTranslationUnit tu= parse(code, lang, false, true, true);
long diff= memoryUsed()-mem;
// allow a copy of the buffer + not even 1 byte per initializer
final int expected = code.length()*2 + AMOUNT/2;
assertTrue(String.valueOf(diff) + " expected < " + expected, diff < expected);
assertTrue(tu.isFrozen());
}
}
private long memoryUsed() throws InterruptedException { private long memoryUsed() throws InterruptedException {
System.gc();Thread.sleep(200);System.gc(); System.gc();Thread.sleep(200);System.gc();
final Runtime runtime = Runtime.getRuntime(); final Runtime runtime = Runtime.getRuntime();