[JGIT PATCH 4/7] Add tests for RawParseUtil's hex string parsing

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Signed-off-by: Shawn O. Pearce <spearce@xxxxxxxxxxx>
---
 .../jgit/util/RawParseUtils_HexParseTest.java      |  158 ++++++++++++++++++++
 1 files changed, 158 insertions(+), 0 deletions(-)
 create mode 100644 org.spearce.jgit.test/tst/org/spearce/jgit/util/RawParseUtils_HexParseTest.java

diff --git a/org.spearce.jgit.test/tst/org/spearce/jgit/util/RawParseUtils_HexParseTest.java b/org.spearce.jgit.test/tst/org/spearce/jgit/util/RawParseUtils_HexParseTest.java
new file mode 100644
index 0000000..0f0ddde
--- /dev/null
+++ b/org.spearce.jgit.test/tst/org/spearce/jgit/util/RawParseUtils_HexParseTest.java
@@ -0,0 +1,158 @@
+/*
+ * Copyright (C) 2009, Google Inc.
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ *   copyright notice, this list of conditions and the following
+ *   disclaimer in the documentation and/or other materials provided
+ *   with the distribution.
+ *
+ * - Neither the name of the Git Development Community nor the
+ *   names of its contributors may be used to endorse or promote
+ *   products derived from this software without specific prior
+ *   written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.spearce.jgit.util;
+
+import junit.framework.TestCase;
+
+import org.spearce.jgit.lib.Constants;
+
+public class RawParseUtils_HexParseTest extends TestCase {
+	public void testInt4_1() {
+		assertEquals(0, RawParseUtils.parseHexInt4((byte) '0'));
+		assertEquals(1, RawParseUtils.parseHexInt4((byte) '1'));
+		assertEquals(2, RawParseUtils.parseHexInt4((byte) '2'));
+		assertEquals(3, RawParseUtils.parseHexInt4((byte) '3'));
+		assertEquals(4, RawParseUtils.parseHexInt4((byte) '4'));
+		assertEquals(5, RawParseUtils.parseHexInt4((byte) '5'));
+		assertEquals(6, RawParseUtils.parseHexInt4((byte) '6'));
+		assertEquals(7, RawParseUtils.parseHexInt4((byte) '7'));
+		assertEquals(8, RawParseUtils.parseHexInt4((byte) '8'));
+		assertEquals(9, RawParseUtils.parseHexInt4((byte) '9'));
+		assertEquals(10, RawParseUtils.parseHexInt4((byte) 'a'));
+		assertEquals(11, RawParseUtils.parseHexInt4((byte) 'b'));
+		assertEquals(12, RawParseUtils.parseHexInt4((byte) 'c'));
+		assertEquals(13, RawParseUtils.parseHexInt4((byte) 'd'));
+		assertEquals(14, RawParseUtils.parseHexInt4((byte) 'e'));
+		assertEquals(15, RawParseUtils.parseHexInt4((byte) 'f'));
+
+		assertEquals(10, RawParseUtils.parseHexInt4((byte) 'A'));
+		assertEquals(11, RawParseUtils.parseHexInt4((byte) 'B'));
+		assertEquals(12, RawParseUtils.parseHexInt4((byte) 'C'));
+		assertEquals(13, RawParseUtils.parseHexInt4((byte) 'D'));
+		assertEquals(14, RawParseUtils.parseHexInt4((byte) 'E'));
+		assertEquals(15, RawParseUtils.parseHexInt4((byte) 'F'));
+
+		assertNotHex('q');
+		assertNotHex(' ');
+		assertNotHex('.');
+	}
+
+	private static void assertNotHex(final char c) {
+		try {
+			RawParseUtils.parseHexInt4((byte) c);
+			fail("Incorrectly acccepted " + c);
+		} catch (ArrayIndexOutOfBoundsException e) {
+			// pass
+		}
+	}
+
+	public void testInt16() {
+		assertEquals(0x0000, parse16("0000"));
+		assertEquals(0x0001, parse16("0001"));
+		assertEquals(0x1234, parse16("1234"));
+		assertEquals(0xdead, parse16("dead"));
+		assertEquals(0xBEEF, parse16("BEEF"));
+		assertEquals(0x4321, parse16("4321"));
+		assertEquals(0xffff, parse16("ffff"));
+
+		try {
+			parse16("noth");
+			fail("Incorrectly acccepted \"noth\"");
+		} catch (ArrayIndexOutOfBoundsException e) {
+			// pass
+		}
+
+		try {
+			parse16("01");
+			fail("Incorrectly acccepted \"01\"");
+		} catch (ArrayIndexOutOfBoundsException e) {
+			// pass
+		}
+
+		try {
+			parse16("000.");
+			fail("Incorrectly acccepted \"000.\"");
+		} catch (ArrayIndexOutOfBoundsException e) {
+			// pass
+		}
+	}
+
+	private static int parse16(final String str) {
+		return RawParseUtils.parseHexInt16(Constants.encodeASCII(str), 0);
+	}
+
+	public void testInt32() {
+		assertEquals(0x00000000, parse32("00000000"));
+		assertEquals(0x00000001, parse32("00000001"));
+		assertEquals(0xc0ffEE42, parse32("c0ffEE42"));
+		assertEquals(0xffffffff, parse32("ffffffff"));
+		assertEquals(-1, parse32("ffffffff"));
+
+		try {
+			parse32("noth");
+			fail("Incorrectly acccepted \"noth\"");
+		} catch (ArrayIndexOutOfBoundsException e) {
+			// pass
+		}
+
+		try {
+			parse32("notahexs");
+			fail("Incorrectly acccepted \"notahexs\"");
+		} catch (ArrayIndexOutOfBoundsException e) {
+			// pass
+		}
+
+		try {
+			parse32("01");
+			fail("Incorrectly acccepted \"01\"");
+		} catch (ArrayIndexOutOfBoundsException e) {
+			// pass
+		}
+
+		try {
+			parse32("0000000.");
+			fail("Incorrectly acccepted \"0000000.\"");
+		} catch (ArrayIndexOutOfBoundsException e) {
+			// pass
+		}
+	}
+
+	private static int parse32(final String str) {
+		return RawParseUtils.parseHexInt32(Constants.encodeASCII(str), 0);
+	}
+}
-- 
1.6.3.1.333.g3ebba7

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