ICU-6765 test StringPiece

X-SVN-Rev: 25598

icu4c/source/test/intltest/strtest.cpp

@@ -18,6 +18,7 @@
 #include "strtest.h"
 #include "unicode/ustring.h"
 #include "unicode/std_string.h"
+#include "unicode/stringpiece.h"
 
 StringTest::~StringTest() {}
 
@@ -189,6 +190,12 @@ void StringTest::runIndexedTest(int32_t index, UBool exec, const char *&name, ch
             TestUsingStdNamespace();
         }
         break;
+    case 10:
+        name="TestStringPiece";
+        if(exec) {
+            TestStringPiece();
+        }
+        break;
     default:
         name="";
         break;
@@ -225,6 +232,143 @@ StringTest::TestUsingStdNamespace() {
 #endif
 }
 
+void
+StringTest::TestStringPiece() {
+    // Default constructor.
+    StringPiece empty;
+    if(!empty.empty() || empty.data()!=NULL || empty.length()!=0 || empty.size()!=0) {
+        errln("StringPiece() failed");
+    }
+    // Construct from NULL const char * pointer.
+    StringPiece null(NULL);
+    if(!null.empty() || null.data()!=NULL || null.length()!=0 || null.size()!=0) {
+        errln("StringPiece(NULL) failed");
+    }
+    // Construct from const char * pointer.
+    static const char *abc_chars="abc";
+    StringPiece abc(abc_chars);
+    if(abc.empty() || abc.data()!=abc_chars || abc.length()!=3 || abc.size()!=3) {
+        errln("StringPiece(abc_chars) failed");
+    }
+    // Construct from const char * pointer and length.
+    static const char *abcdefg_chars="abcdefg";
+    StringPiece abcd(abcdefg_chars, 4);
+    if(abcd.empty() || abcd.data()!=abcdefg_chars || abcd.length()!=4 || abcd.size()!=4) {
+        errln("StringPiece(abcdefg_chars, 4) failed");
+    }
+#if U_HAVE_STD_STRING
+    // Construct from std::string.
+    U_STD_NSQ string uvwxyz_string("uvwxyz");
+    StringPiece uvwxyz(uvwxyz_string);
+    if(uvwxyz.empty() || uvwxyz.data()!=uvwxyz_string.data() || uvwxyz.length()!=6 || uvwxyz.size()!=6) {
+        errln("StringPiece(uvwxyz_string) failed");
+    }
+#endif
+    // Substring constructor with pos.
+    StringPiece sp(abcd, -1);
+    if(sp.empty() || sp.data()!=abcdefg_chars || sp.length()!=4 || sp.size()!=4) {
+        errln("StringPiece(abcd, -1) failed");
+    }
+    sp=StringPiece(abcd, 5);
+    if(!sp.empty() || sp.length()!=0 || sp.size()!=0) {
+        errln("StringPiece(abcd, 5) failed");
+    }
+    sp=StringPiece(abcd, 2);
+    if(sp.empty() || sp.data()!=abcdefg_chars+2 || sp.length()!=2 || sp.size()!=2) {
+        errln("StringPiece(abcd, -1) failed");
+    }
+    // Substring constructor with pos and len.
+    sp=StringPiece(abcd, -1, 8);
+    if(sp.empty() || sp.data()!=abcdefg_chars || sp.length()!=4 || sp.size()!=4) {
+        errln("StringPiece(abcd, -1, 8) failed");
+    }
+    sp=StringPiece(abcd, 5, 8);
+    if(!sp.empty() || sp.length()!=0 || sp.size()!=0) {
+        errln("StringPiece(abcd, 5, 8) failed");
+    }
+    sp=StringPiece(abcd, 2, 8);
+    if(sp.empty() || sp.data()!=abcdefg_chars+2 || sp.length()!=2 || sp.size()!=2) {
+        errln("StringPiece(abcd, -1) failed");
+    }
+    sp=StringPiece(abcd, 2, -1);
+    if(!sp.empty() || sp.length()!=0 || sp.size()!=0) {
+        errln("StringPiece(abcd, 5, -1) failed");
+    }
+    // static const npos
+    const int32_t *ptr_npos=&StringPiece::npos;
+    if(StringPiece::npos!=0x7fffffff || *ptr_npos!=0x7fffffff) {
+        errln("StringPiece::npos!=0x7fffffff");
+    }
+    // substr() method with pos, using len=npos.
+    sp=abcd.substr(-1);
+    if(sp.empty() || sp.data()!=abcdefg_chars || sp.length()!=4 || sp.size()!=4) {
+        errln("abcd.substr(-1) failed");
+    }
+    sp=abcd.substr(5);
+    if(!sp.empty() || sp.length()!=0 || sp.size()!=0) {
+        errln("abcd.substr(5) failed");
+    }
+    sp=abcd.substr(2);
+    if(sp.empty() || sp.data()!=abcdefg_chars+2 || sp.length()!=2 || sp.size()!=2) {
+        errln("abcd.substr(-1) failed");
+    }
+    // substr() method with pos and len.
+    sp=abcd.substr(-1, 8);
+    if(sp.empty() || sp.data()!=abcdefg_chars || sp.length()!=4 || sp.size()!=4) {
+        errln("abcd.substr(-1, 8) failed");
+    }
+    sp=abcd.substr(5, 8);
+    if(!sp.empty() || sp.length()!=0 || sp.size()!=0) {
+        errln("abcd.substr(5, 8) failed");
+    }
+    sp=abcd.substr(2, 8);
+    if(sp.empty() || sp.data()!=abcdefg_chars+2 || sp.length()!=2 || sp.size()!=2) {
+        errln("abcd.substr(-1) failed");
+    }
+    sp=abcd.substr(2, -1);
+    if(!sp.empty() || sp.length()!=0 || sp.size()!=0) {
+        errln("abcd.substr(5, -1) failed");
+    }
+    // clear()
+    sp=abcd;
+    sp.clear();
+    if(!sp.empty() || sp.data()!=NULL || sp.length()!=0 || sp.size()!=0) {
+        errln("abcd.clear() failed");
+    }
+    // remove_prefix()
+    sp=abcd;
+    sp.remove_prefix(-1);
+    if(sp.empty() || sp.data()!=abcdefg_chars || sp.length()!=4 || sp.size()!=4) {
+        errln("abcd.remove_prefix(-1) failed");
+    }
+    sp=abcd;
+    sp.remove_prefix(2);
+    if(sp.empty() || sp.data()!=abcdefg_chars+2 || sp.length()!=2 || sp.size()!=2) {
+        errln("abcd.remove_prefix(2) failed");
+    }
+    sp=abcd;
+    sp.remove_prefix(5);
+    if(!sp.empty() || sp.length()!=0 || sp.size()!=0) {
+        errln("abcd.remove_prefix(5) failed");
+    }
+    // remove_suffix()
+    sp=abcd;
+    sp.remove_suffix(-1);
+    if(sp.empty() || sp.data()!=abcdefg_chars || sp.length()!=4 || sp.size()!=4) {
+        errln("abcd.remove_suffix(-1) failed");
+    }
+    sp=abcd;
+    sp.remove_suffix(2);
+    if(sp.empty() || sp.data()!=abcdefg_chars || sp.length()!=2 || sp.size()!=2) {
+        errln("abcd.remove_suffix(2) failed");
+    }
+    sp=abcd;
+    sp.remove_suffix(5);
+    if(!sp.empty() || sp.length()!=0 || sp.size()!=0) {
+        errln("abcd.remove_suffix(5) failed");
+    }
+}
+
 #if defined(U_WINDOWS) && defined(_MSC_VER)
 #include <vector>
 #endif

icu4c/source/test/intltest/strtest.h

@@ -36,6 +36,7 @@ private:
     void TestCharsetFamily(void);
     void TestStdNamespaceQualifier();
     void TestUsingStdNamespace();
+    void TestStringPiece();
     void TestSTLCompatibility();
 };