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Refactored PyStringLiteralTest.testLiteralEscaper

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This commit is contained in:
Andrey Vlasovskikh
2013-10-03 18:51:02 +04:00
parent c05694e3ea
commit 6b8a52cdb1
1 changed files with 16 additions and 12 deletions
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python/testSrc/com/jetbrains/python/PyStringLiteralTest.java
+16 -12
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@@ -14,20 +14,24 @@ import com.jetbrains.python.psi.PyStringLiteralExpression;
*/
public class PyStringLiteralTest extends PyTestCase {
public void testLiteralEscaper() {
PyStringLiteralExpression expr = createLiteralFromText("'\\nfoo'");
final PyStringLiteralExpression expr = createLiteralFromText("'\\nfoo'");
assertNotNull(expr);
final LiteralTextEscaper<? extends PsiLanguageInjectionHost> escaper = expr.createLiteralTextEscaper();
StringBuilder builder = new StringBuilder();
escaper.decode(new TextRange(3, 5), builder);
assertEquals("fo", builder.toString());
builder.setLength(0);
escaper.decode(new TextRange(1, 3), builder);
assertEquals("\n", builder.toString());
assertEquals(1, escaper.getOffsetInHost(0, new TextRange(1, 5)));
assertEquals(3, escaper.getOffsetInHost(1, new TextRange(1, 5)));
assertEquals(6, escaper.getOffsetInHost(4, new TextRange(1, 5)));
assertEquals("fo", decodeRange(expr, TextRange.create(3, 5)));
assertEquals("\n", decodeRange(expr, TextRange.create(1, 3)));
final LiteralTextEscaper<? extends PsiLanguageInjectionHost> escaper = expr.createLiteralTextEscaper();
final TextRange newLineFoo = TextRange.create(1, 6);
assertEquals(1, escaper.getOffsetInHost(0, newLineFoo));
assertEquals(3, escaper.getOffsetInHost(1, newLineFoo));
assertEquals(6, escaper.getOffsetInHost(4, newLineFoo));
}
private static String decodeRange(PyStringLiteralExpression expr, TextRange range) {
final StringBuilder builder = new StringBuilder();
expr.createLiteralTextEscaper().decode(range, builder);
return builder.toString();
}
private PyStringLiteralExpression createLiteralFromText(final String text) {