test/java/lang/Integer/ParsingTest.java

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rev 9925 : 8041972: Add improved parse/format methods for Long/Integer
Contributed-by: redestad

*** 21,35 **** * questions. */ /* * @test ! * @bug 5017980 6576055 * @summary Test parsing methods * @author Joseph D. Darcy */ /** * There are six methods in java.lang.Integer which transform strings * into an int or Integer value: * --- 21,37 ---- * questions. */ /* * @test ! * @bug 5017980 6576055 8041972 * @summary Test parsing methods * @author Joseph D. Darcy */ + import sun.misc.SharedSecrets; + import sun.misc.JavaLangAccess; /** * There are six methods in java.lang.Integer which transform strings * into an int or Integer value: *
*** 41,62 **** --- 43,74 ---- * public static Integer valueOf(String s) * * Besides decode, all the methods and constructor call down into * parseInt(String, int) to do the actual work. Therefore, the * behavior of parseInt(String, int) will be tested here. + * + * Internally, parseInt(String, int, int, int) has been added to + * support parsing subsequences without explicit substrings. These will also + * be tested here */ public class ParsingTest { + + private static JavaLangAccess jla = SharedSecrets.getJavaLangAccess(); + public static void main(String... argv) { check("+100", +100); check("-100", -100); check("+0", 0); check("-0", 0); check("+00000", 0); check("-00000", 0); + check("+00000", 0, 0, 6); + check("-00000", 0, 0, 6); + check("0", 0); check("1", 1); check("9", 9); checkFailure("\u0000");
*** 70,85 **** checkFailure("++100"); checkFailure("--100"); checkFailure("+-6"); checkFailure("-+6"); checkFailure("*100"); } private static void check(String val, int expected) { int n = Integer.parseInt(val); if (n != expected) ! throw new RuntimeException("Integer.parsedInt failed. String:" + val + " Result:" + n); } private static void checkFailure(String val) { int n = 0; --- 82,107 ---- checkFailure("++100"); checkFailure("--100"); checkFailure("+-6"); checkFailure("-+6"); checkFailure("*100"); + + check("test-00000", 0, 4, 10); + check("test-12345", -12345, 4, 10); + check("xx12345yy", 12345, 2, 7); + + checkFailure("+00000", 0, 7); + checkFailure("-00000", 0, 7); + checkFailure("-00000", 6, 6); + checkFailure("-00000", 6, 0); + checkFailure("+-6", 0, 3); } private static void check(String val, int expected) { int n = Integer.parseInt(val); if (n != expected) ! throw new RuntimeException("Integer.parseInt failed. String:" + val + " Result:" + n); } private static void checkFailure(String val) { int n = 0;
*** 89,94 **** --- 111,134 ---- throw new RuntimeException(); } catch (NumberFormatException nfe) { ; // Expected } } + + private static void checkFailure(String val, int start, int end) { + int n = 0; + try { + n = jla.parseInt(val, 10, start, end); + System.err.println("parseInt(" + val + ") incorrectly returned " + n); + throw new RuntimeException(); + } catch (NumberFormatException nfe) { + ; // Expected + } + } + + private static void check(String val, int expected, int start, int end) { + int n = jla.parseInt(val, 10, start, end); + if (n != expected) + throw new RuntimeException("Integer.parsedInt failed. String:" + + val + " Result:" + n); + } }