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Division by result of sizeof(). memset() expects a size in bytes
[apt.git] / test / libapt / strutil_test.cc
index af6eb2cc635a681e8b07a89ff3edc610bfbfc3a5..9bc3c76fdd12d86b1279b358762ed1081a968bc3 100644 (file)
+#include <config.h>
 #include <apt-pkg/strutl.h>
+#include <apt-pkg/fileutl.h>
+#include <string>
+#include <vector>
 
-#include "assert.h"
+#include <gtest/gtest.h>
 
-int main(int argc,char *argv[])
+#include "file-helpers.h"
+
+TEST(StrUtilTest,DeEscapeString)
 {
-   string input, output, expected;
+   // nothing special
+   EXPECT_EQ("", DeEscapeString(""));
+   EXPECT_EQ("foobar", DeEscapeString("foobar"));
+   // hex and octal
+   EXPECT_EQ("foo bar\nbaz", DeEscapeString("foo\\040bar\\x0abaz"));
+   EXPECT_EQ("foo ", DeEscapeString("foo\\040"));
+   EXPECT_EQ("\nbaz", DeEscapeString("\\x0abaz"));
+   EXPECT_EQ("/media/Ubuntu 11.04 amd64", DeEscapeString("/media/Ubuntu\\04011.04\\040amd64"));
+   // double slashes
+   EXPECT_EQ("foo\\ x", DeEscapeString("foo\\\\ x"));
+   EXPECT_EQ("\\foo\\", DeEscapeString("\\\\foo\\\\"));
+}
+TEST(StrUtilTest,StringStrip)
+{
+   EXPECT_EQ("", APT::String::Strip(""));
+   EXPECT_EQ("foobar", APT::String::Strip("foobar"));
+   EXPECT_EQ("foo bar", APT::String::Strip("foo bar"));
 
-   // no input
-   input = "foobar";
-   expected = "foobar";
-   output = DeEscapeString(input);
-   equals(output, expected);
+   EXPECT_EQ("", APT::String::Strip("  "));
+   EXPECT_EQ("", APT::String::Strip(" \r\n   \t "));
 
-   // hex and octal
-   input = "foo\\040bar\\x0abaz";
-   expected = "foo bar\nbaz";
-   output = DeEscapeString(input);
-   equals(output, expected);
-
-   // at the end
-   input = "foo\\040";
-   expected = "foo ";
-   output = DeEscapeString(input);
-   equals(output, expected);
-
-   // double escape
-   input = "foo\\\\ x";
-   expected = "foo\\ x";
-   output = DeEscapeString(input);
-   equals(output, expected);
-
-   // double escape at the end
-   input = "\\\\foo\\\\";
-   expected = "\\foo\\";
-   output = DeEscapeString(input);
-   equals(output, expected);
-
-   // the string that we actually need it for
-   input = "/media/Ubuntu\\04011.04\\040amd64";
-   expected = "/media/Ubuntu 11.04 amd64";
-   output = DeEscapeString(input);
-   equals(output, expected);
-
-   return 0;
+   EXPECT_EQ("foo bar", APT::String::Strip("foo bar "));
+   EXPECT_EQ("foo bar", APT::String::Strip("foo bar \r\n \t "));
+   EXPECT_EQ("foo bar", APT::String::Strip("\r\n \t foo bar"));
+   EXPECT_EQ("bar foo", APT::String::Strip("\r\n \t bar foo \r\n \t "));
+   EXPECT_EQ("bar \t\r\n foo", APT::String::Strip("\r\n \t bar \t\r\n foo \r\n \t "));
+}
+TEST(StrUtilTest,StringSplitBasic)
+{
+   std::vector<std::string> result = StringSplit("", "");
+   EXPECT_EQ(result.size(), 0);
+
+   result = StringSplit("abc", "");
+   EXPECT_EQ(result.size(), 0);
+
+   result = StringSplit("", "abc");
+   EXPECT_EQ(result.size(), 1);
+
+   result = StringSplit("abc", "b");
+   ASSERT_EQ(result.size(), 2);
+   EXPECT_EQ(result[0], "a");
+   EXPECT_EQ(result[1], "c");
+
+   result = StringSplit("abc", "abc");
+   ASSERT_EQ(result.size(), 2);
+   EXPECT_EQ(result[0], "");
+   EXPECT_EQ(result[1], "");
+}
+TEST(StrUtilTest,StringSplitDpkgStatus)
+{
+   std::string const input = "status: libnet1:amd64: unpacked";
+   std::vector<std::string> result = StringSplit(input, "xxx");
+   ASSERT_EQ(result.size(), 1);
+   EXPECT_EQ(result[0], input);
+
+   result = StringSplit(input, "");
+   EXPECT_EQ(result.size(), 0);
+
+   result = StringSplit(input, ": ");
+   ASSERT_EQ(result.size(), 3);
+   EXPECT_EQ(result[0], "status");
+   EXPECT_EQ(result[1], "libnet1:amd64");
+   EXPECT_EQ(result[2], "unpacked");
+
+   result = StringSplit("x:y:z", ":", 2);
+   ASSERT_EQ(result.size(), 2);
+   EXPECT_EQ(result[0], "x");
+   EXPECT_EQ(result[1], "y:z");
+}
+TEST(StrUtilTest,EndsWith)
+{
+   using APT::String::Endswith;
+   EXPECT_TRUE(Endswith("abcd", "d"));
+   EXPECT_TRUE(Endswith("abcd", "cd"));
+   EXPECT_TRUE(Endswith("abcd", "abcd"));
+   EXPECT_FALSE(Endswith("abcd", "x"));
+   EXPECT_FALSE(Endswith("abcd", "abcndefg"));
+}
+TEST(StrUtilTest,StartsWith)
+{
+   using APT::String::Startswith;
+   EXPECT_TRUE(Startswith("abcd", "a"));
+   EXPECT_TRUE(Startswith("abcd", "ab"));
+   EXPECT_TRUE(Startswith("abcd", "abcd"));
+   EXPECT_FALSE(Startswith("abcd", "x"));
+   EXPECT_FALSE(Startswith("abcd", "abcndefg"));
+}
+TEST(StrUtilTest,SubstVar)
+{
+   EXPECT_EQ("", SubstVar("", "fails", "passes"));
+   EXPECT_EQ("test ", SubstVar("test fails", "fails", ""));
+   EXPECT_EQ("test passes", SubstVar("test passes", "", "fails"));
+
+   EXPECT_EQ("test passes", SubstVar("test passes", "fails", "passes"));
+   EXPECT_EQ("test passes", SubstVar("test fails", "fails", "passes"));
+
+   EXPECT_EQ("starts with", SubstVar("beginnt with", "beginnt", "starts"));
+   EXPECT_EQ("beginnt with", SubstVar("starts with", "starts", "beginnt"));
+   EXPECT_EQ("is in middle", SubstVar("is in der middle", "in der", "in"));
+   EXPECT_EQ("is in der middle", SubstVar("is in middle", "in", "in der"));
+   EXPECT_EQ("does end", SubstVar("does enden", "enden", "end"));
+   EXPECT_EQ("does enden", SubstVar("does end", "end", "enden"));
+
+   EXPECT_EQ("abc", SubstVar("abc", "d", "a"));
+   EXPECT_EQ("abc", SubstVar("abd", "d", "c"));
+   EXPECT_EQ("abc", SubstVar("adc", "d", "b"));
+   EXPECT_EQ("abc", SubstVar("dbc", "d", "a"));
+
+   EXPECT_EQ("b", SubstVar("b", "aa", "a"));
+   EXPECT_EQ("bb", SubstVar("bb", "aa", "a"));
+   EXPECT_EQ("bbb", SubstVar("bbb", "aa", "a"));
+
+   EXPECT_EQ("aa", SubstVar("aaaa", "aa", "a"));
+   EXPECT_EQ("aaaa", SubstVar("aa", "a", "aa"));
+   EXPECT_EQ("aaaa", SubstVar("aaaa", "a", "a"));
+   EXPECT_EQ("a a a a ", SubstVar("aaaa", "a", "a "));
+
+   EXPECT_EQ(" bb bb bb bb ", SubstVar(" a a a a ", "a", "bb"));
+   EXPECT_EQ(" bb bb bb bb ", SubstVar(" aaa aaa aaa aaa ", "aaa", "bb"));
+   EXPECT_EQ(" bb a bb a bb a bb ", SubstVar(" aaa a aaa a aaa a aaa ", "aaa", "bb"));
+
+}
+TEST(StrUtilTest,Base64Encode)
+{
+   EXPECT_EQ("QWxhZGRpbjpvcGVuIHNlc2FtZQ==", Base64Encode("Aladdin:open sesame"));
+   EXPECT_EQ("cGxlYXN1cmUu", Base64Encode("pleasure."));
+   EXPECT_EQ("bGVhc3VyZS4=", Base64Encode("leasure."));
+   EXPECT_EQ("ZWFzdXJlLg==", Base64Encode("easure."));
+   EXPECT_EQ("YXN1cmUu", Base64Encode("asure."));
+   EXPECT_EQ("c3VyZS4=", Base64Encode("sure."));
+   EXPECT_EQ("dXJlLg==", Base64Encode("ure."));
+   EXPECT_EQ("cmUu", Base64Encode("re."));
+   EXPECT_EQ("ZS4=", Base64Encode("e."));
+   EXPECT_EQ("Lg==", Base64Encode("."));
+   EXPECT_EQ("", Base64Encode(""));
+}
+void ReadMessagesTestWithNewLine(char const * const nl, char const * const ab)
+{
+   SCOPED_TRACE(SubstVar(SubstVar(nl, "\n", "n"), "\r", "r") + " # " + ab);
+   FileFd fd;
+   std::string pkgA = "Package: pkgA\n"
+      "Version: 1\n"
+      "Size: 100\n"
+      "Description: aaa\n"
+      " aaa";
+   std::string pkgB = "Package: pkgB\n"
+      "Version: 1\n"
+      "Flag: no\n"
+      "Description: bbb";
+   std::string pkgC = "Package: pkgC\n"
+      "Version: 2\n"
+      "Flag: yes\n"
+      "Description:\n"
+      " ccc";
+
+   createTemporaryFile("readmessage", fd, NULL, (pkgA + nl + pkgB + nl + pkgC + nl).c_str());
+   std::vector<std::string> list;
+   EXPECT_TRUE(ReadMessages(fd.Fd(), list));
+   EXPECT_EQ(3, list.size());
+   EXPECT_EQ(pkgA, list[0]);
+   EXPECT_EQ(pkgB, list[1]);
+   EXPECT_EQ(pkgC, list[2]);
+
+   size_t const msgsize = 63990;
+   createTemporaryFile("readmessage", fd, NULL, NULL);
+   for (size_t j = 0; j < msgsize; ++j)
+      fd.Write(ab, strlen(ab));
+   for (size_t i = 0; i < 21; ++i)
+   {
+      std::string msg;
+      strprintf(msg, "msgsize=%zu  i=%zu", msgsize, i);
+      SCOPED_TRACE(msg);
+      fd.Seek((msgsize + (i - 1)) * strlen(ab));
+      fd.Write(ab, strlen(ab));
+      fd.Write(nl, strlen(nl));
+      fd.Seek(0);
+      list.clear();
+      EXPECT_TRUE(ReadMessages(fd.Fd(), list));
+      EXPECT_EQ(1, list.size());
+      EXPECT_EQ((msgsize + i) * strlen(ab), list[0].length());
+      EXPECT_EQ(std::string::npos, list[0].find_first_not_of(ab));
+   }
+
+   list.clear();
+   fd.Write(pkgA.c_str(), pkgA.length());
+   fd.Write(nl, strlen(nl));
+   fd.Seek(0);
+   EXPECT_TRUE(ReadMessages(fd.Fd(), list));
+   EXPECT_EQ(2, list.size());
+   EXPECT_EQ((msgsize + 20) * strlen(ab), list[0].length());
+   EXPECT_EQ(std::string::npos, list[0].find_first_not_of(ab));
+   EXPECT_EQ(pkgA, list[1]);
+
+
+   fd.Close();
+}
+TEST(StrUtilTest,ReadMessages)
+{
+   ReadMessagesTestWithNewLine("\n\n", "a");
+   ReadMessagesTestWithNewLine("\r\n\r\n", "a");
+   ReadMessagesTestWithNewLine("\n\n", "ab");
+   ReadMessagesTestWithNewLine("\r\n\r\n", "ab");
 }