ICU-461.12.tar.gz

[apple/icu.git] / icuSources / test / cintltst / cstrtest.c

diff --git a/icuSources/test/cintltst/cstrtest.c b/icuSources/test/cintltst/cstrtest.c
index ea6fe5cbeaa6a47f595182d470b94ab21070e5ae..afef9d33ad147150d56d11f54c4b251c3f267ac7 100644 (file)
--- a/icuSources/test/cintltst/cstrtest.c
+++ b/icuSources/test/cintltst/cstrtest.c
@@ -1,6 +1,6 @@
 /*
 **********************************************************************
-* Copyright (C) 1998-2004, International Business Machines Corporation 
+* Copyright (C) 1998-2010, International Business Machines Corporation 
 * and others.  All Rights Reserved.
 **********************************************************************
 *
@@ -26,10 +26,12 @@ static void TestAPI(void);
 void addCStringTest(TestNode** root);
 
 static void TestInvariant(void);
+static void TestCompareInvEbcdicAsAscii(void);
 
 void addCStringTest(TestNode** root) {
     addTest(root, &TestAPI,   "tsutil/cstrtest/TestAPI");
     addTest(root, &TestInvariant,   "tsutil/cstrtest/TestInvariant");
+    addTest(root, &TestCompareInvEbcdicAsAscii, "tsutil/cstrtest/TestCompareInvEbcdicAsAscii");
 }
 
 static void TestAPI(void)
@@ -284,3 +286,56 @@ TestInvariant() {
         }
     }
 }
+
+static int32_t getSign(int32_t n) {
+    if(n<0) {
+        return -1;
+    } else if(n==0) {
+        return 0;
+    } else {
+        return 1;
+    }
+}
+
+static void
+TestCompareInvEbcdicAsAscii() {
+    static const char *const invStrings[][2]={
+        /* invariant-character strings in ascending ASCII order */
+        /* EBCDIC       native */
+        { "",             "" },
+        { "\x6c",         "%" },
+        { "\xf0",         "0" },
+        { "\xf0\xf0",     "00" },
+        { "\xf0\xf0\x81", "00a" },
+        { "\x7e",         "=" },
+        { "\xc1",         "A" },
+        { "\xc1\xf0\xf0", "A00" },
+        { "\xc1\xf0\xf0", "A00" },
+        { "\xc1\xc1",     "AA" },
+        { "\xc1\xc1\xf0", "AA0" },
+        { "\x6d",         "_" },
+        { "\x81",         "a" },
+        { "\x81\xf0\xf0", "a00" },
+        { "\x81\xf0\xf0", "a00" },
+        { "\x81\x81",     "aa" },
+        { "\x81\x81\xf0", "aa0" },
+        { "\x81\x81\x81", "aaa" },
+        { "\x81\x81\x82", "aab" }
+    };
+    int32_t i;
+    for(i=1; i<LENGTHOF(invStrings); ++i) {
+        int32_t diff1, diff2;
+        /* compare previous vs. current */
+        diff1=getSign(uprv_compareInvEbcdicAsAscii(invStrings[i-1][0], invStrings[i][0]));
+        if(diff1>0 || (diff1==0 && 0!=uprv_strcmp(invStrings[i-1][0], invStrings[i][0]))) {
+            log_err("uprv_compareInvEbcdicAsAscii(%s, %s)=%hd is wrong\n",
+                    invStrings[i-1][1], invStrings[i][1], (short)diff1);
+        }
+        /* compare current vs. previous, should be inverse diff */
+        diff2=getSign(uprv_compareInvEbcdicAsAscii(invStrings[i][0], invStrings[i-1][0]));
+        if(diff2!=-diff1) {
+            log_err("uprv_compareInvEbcdicAsAscii(%s, %s)=%hd is wrong\n",
+                    invStrings[i][1], invStrings[i-1][1], (short)diff2);
+        }
+    }
+}