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skia2/tests/StringTest.cpp

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/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <stdarg.h>
#include <stdio.h>
#include "SkString.h"
#include "Test.h"
// Windows vsnprintf doesn't 0-terminate safely), but is so far
// encapsulated in SkString that we can't test it directly.
#ifdef SK_BUILD_FOR_WIN
#define VSNPRINTF(buffer, size, format, args) \
vsnprintf_s(buffer, size, _TRUNCATE, format, args)
#else
#define VSNPRINTF vsnprintf
#endif
#define ARGS_TO_BUFFER(format, buffer, size) \
do { \
va_list args; \
va_start(args, format); \
VSNPRINTF(buffer, size, format, args); \
va_end(args); \
} while (0)
static void printfAnalog(char* buffer, int size, const char format[], ...) {
ARGS_TO_BUFFER(format, buffer, size);
}
DEF_TEST(String, reporter) {
SkString a;
SkString b((size_t)0);
SkString c("");
SkString d(nullptr, 0);
REPORTER_ASSERT(reporter, a.isEmpty());
REPORTER_ASSERT(reporter, a == b && a == c && a == d);
a.set("hello");
b.set("hellox", 5);
c.set(a);
d.resize(5);
memcpy(d.writable_str(), "helloz", 5);
REPORTER_ASSERT(reporter, !a.isEmpty());
REPORTER_ASSERT(reporter, a.size() == 5);
REPORTER_ASSERT(reporter, a == b && a == c && a == d);
REPORTER_ASSERT(reporter, a.equals("hello", 5));
REPORTER_ASSERT(reporter, a.equals("hello"));
REPORTER_ASSERT(reporter, !a.equals("help"));
REPORTER_ASSERT(reporter, a.startsWith("hell"));
REPORTER_ASSERT(reporter, a.startsWith('h'));
REPORTER_ASSERT(reporter, !a.startsWith( "ell"));
REPORTER_ASSERT(reporter, !a.startsWith( 'e'));
REPORTER_ASSERT(reporter, a.startsWith(""));
REPORTER_ASSERT(reporter, a.endsWith("llo"));
REPORTER_ASSERT(reporter, a.endsWith('o'));
REPORTER_ASSERT(reporter, !a.endsWith("ll" ));
REPORTER_ASSERT(reporter, !a.endsWith('l'));
REPORTER_ASSERT(reporter, a.endsWith(""));
REPORTER_ASSERT(reporter, a.contains("he"));
REPORTER_ASSERT(reporter, a.contains("ll"));
REPORTER_ASSERT(reporter, a.contains("lo"));
REPORTER_ASSERT(reporter, a.contains("hello"));
REPORTER_ASSERT(reporter, !a.contains("hellohello"));
REPORTER_ASSERT(reporter, a.contains(""));
REPORTER_ASSERT(reporter, a.contains('e'));
REPORTER_ASSERT(reporter, !a.contains('z'));
SkString e(a);
SkString f("hello");
SkString g("helloz", 5);
REPORTER_ASSERT(reporter, a == e && a == f && a == g);
b.set("world");
c = b;
REPORTER_ASSERT(reporter, a != b && a != c && b == c);
a.append(" world");
e.append("worldz", 5);
e.insert(5, " ");
f.set("world");
f.prepend("hello ");
REPORTER_ASSERT(reporter, a.equals("hello world") && a == e && a == f);
a.reset();
b.resize(0);
REPORTER_ASSERT(reporter, a.isEmpty() && b.isEmpty() && a == b);
a.set("a");
a.set("ab");
a.set("abc");
a.set("abcd");
a.set("");
a.appendS32(0x7FFFFFFFL);
REPORTER_ASSERT(reporter, a.equals("2147483647"));
a.set("");
a.appendS32(0x80000001L);
REPORTER_ASSERT(reporter, a.equals("-2147483647"));
a.set("");
a.appendS32(0x80000000L);
REPORTER_ASSERT(reporter, a.equals("-2147483648"));
a.set("");
a.appendU32(0x7FFFFFFFUL);
REPORTER_ASSERT(reporter, a.equals("2147483647"));
a.set("");
a.appendU32(0x80000001UL);
REPORTER_ASSERT(reporter, a.equals("2147483649"));
a.set("");
a.appendU32(0xFFFFFFFFUL);
REPORTER_ASSERT(reporter, a.equals("4294967295"));
a.set("");
a.appendS64(0x7FFFFFFFFFFFFFFFLL, 0);
REPORTER_ASSERT(reporter, a.equals("9223372036854775807"));
a.set("");
a.appendS64(0x8000000000000001LL, 0);
REPORTER_ASSERT(reporter, a.equals("-9223372036854775807"));
a.set("");
a.appendS64(0x8000000000000000LL, 0);
REPORTER_ASSERT(reporter, a.equals("-9223372036854775808"));
a.set("");
a.appendS64(0x0000000001000000LL, 15);
REPORTER_ASSERT(reporter, a.equals("000000016777216"));
a.set("");
a.appendS64(0xFFFFFFFFFF000000LL, 15);
REPORTER_ASSERT(reporter, a.equals("-000000016777216"));
a.set("");
a.appendU64(0x7FFFFFFFFFFFFFFFULL, 0);
REPORTER_ASSERT(reporter, a.equals("9223372036854775807"));
a.set("");
a.appendU64(0x8000000000000001ULL, 0);
REPORTER_ASSERT(reporter, a.equals("9223372036854775809"));
a.set("");
a.appendU64(0xFFFFFFFFFFFFFFFFULL, 0);
REPORTER_ASSERT(reporter, a.equals("18446744073709551615"));
a.set("");
a.appendU64(0x0000000001000000ULL, 15);
REPORTER_ASSERT(reporter, a.equals("000000016777216"));
a.printf("%i", 0);
REPORTER_ASSERT(reporter, a.equals("0"));
a.printf("%g", 3.14);
REPORTER_ASSERT(reporter, a.equals("3.14"));
a.printf("hello %s", "skia");
REPORTER_ASSERT(reporter, a.equals("hello skia"));
static const struct {
SkScalar fValue;
const char* fString;
} gRec[] = {
{ 0, "0" },
{ SK_Scalar1, "1" },
{ -SK_Scalar1, "-1" },
{ SK_Scalar1/2, "0.5" },
#if defined(SK_BUILD_FOR_WIN) && (_MSC_VER < 1900)
{ 3.4028234e38f, "3.4028235e+038" },
{ -3.4028234e38f, "-3.4028235e+038" },
#else
{ 3.4028234e38f, "3.4028235e+38" },
{ -3.4028234e38f, "-3.4028235e+38" },
#endif
};
for (size_t i = 0; i < SK_ARRAY_COUNT(gRec); i++) {
a.reset();
a.appendScalar(gRec[i].fValue);
REPORTER_ASSERT(reporter, a.size() <= SkStrAppendScalar_MaxSize);
if (!a.equals(gRec[i].fString)) {
ERRORF(reporter, "received <%s> expected <%s>\n", a.c_str(), gRec[i].fString);
}
}
REPORTER_ASSERT(reporter, SkStringPrintf("%i", 0).equals("0"));
char buffer [40];
memset(buffer, 'a', 40);
REPORTER_ASSERT(reporter, buffer[18] == 'a');
REPORTER_ASSERT(reporter, buffer[19] == 'a');
REPORTER_ASSERT(reporter, buffer[20] == 'a');
printfAnalog(buffer, 20, "%30d", 0);
REPORTER_ASSERT(reporter, buffer[18] == ' ');
REPORTER_ASSERT(reporter, buffer[19] == 0);
REPORTER_ASSERT(reporter, buffer[20] == 'a');
REPORTER_ASSERT(reporter, SkStringPrintf("%i", 0).equals("0"));
a = SkStringPrintf("%2000s", " ");
REPORTER_ASSERT(reporter, a.size() == 2000);
for (size_t i = 0; i < a.size(); ++i) {
if (a[i] != ' ') {
ERRORF(reporter, "SkStringPrintf fail: a[%d] = '%c'", i, a[i]);
break;
}
}
a.reset();
a.printf("%2000s", " ");
REPORTER_ASSERT(reporter, a.size() == 2000);
for (size_t i = 0; i < a.size(); ++i) {
if (a[i] != ' ') {
ERRORF(reporter, "SkStringPrintf fail: a[%d] = '%c'", i, a[i]);
break;
}
}
}
DEF_TEST(String_SkStrSplit, r) {
SkTArray<SkString> results;
SkStrSplit("a-_b_c-dee--f-_-_-g-", "-_", &results);
REPORTER_ASSERT(r, results.count() == 6);
REPORTER_ASSERT(r, results[0].equals("a"));
REPORTER_ASSERT(r, results[1].equals("b"));
REPORTER_ASSERT(r, results[2].equals("c"));
REPORTER_ASSERT(r, results[3].equals("dee"));
REPORTER_ASSERT(r, results[4].equals("f"));
REPORTER_ASSERT(r, results[5].equals("g"));
results.reset();
SkStrSplit("\n", "\n", &results);
REPORTER_ASSERT(r, results.count() == 0);
results.reset();
SkStrSplit("", "\n", &results);
REPORTER_ASSERT(r, results.count() == 0);
results.reset();
SkStrSplit("a", "\n", &results);
REPORTER_ASSERT(r, results.count() == 1);
REPORTER_ASSERT(r, results[0].equals("a"));
}
DEF_TEST(String_SkStrSplit_All, r) {
SkTArray<SkString> results;
SkStrSplit("a-_b_c-dee--f-_-_-g-", "-_", kStrict_SkStrSplitMode, &results);
REPORTER_ASSERT(r, results.count() == 13);
REPORTER_ASSERT(r, results[0].equals("a"));
REPORTER_ASSERT(r, results[1].equals(""));
REPORTER_ASSERT(r, results[2].equals("b"));
REPORTER_ASSERT(r, results[3].equals("c"));
REPORTER_ASSERT(r, results[4].equals("dee"));
REPORTER_ASSERT(r, results[5].equals(""));
REPORTER_ASSERT(r, results[6].equals("f"));
REPORTER_ASSERT(r, results[7].equals(""));
REPORTER_ASSERT(r, results[8].equals(""));
REPORTER_ASSERT(r, results[9].equals(""));
REPORTER_ASSERT(r, results[10].equals(""));
REPORTER_ASSERT(r, results[11].equals("g"));
REPORTER_ASSERT(r, results[12].equals(""));
results.reset();
SkStrSplit("\n", "\n", kStrict_SkStrSplitMode, &results);
REPORTER_ASSERT(r, results.count() == 2);
REPORTER_ASSERT(r, results[0].equals(""));
REPORTER_ASSERT(r, results[1].equals(""));
results.reset();
SkStrSplit("", "\n", kStrict_SkStrSplitMode, &results);
REPORTER_ASSERT(r, results.count() == 0);
results.reset();
SkStrSplit("a", "\n", kStrict_SkStrSplitMode, &results);
REPORTER_ASSERT(r, results.count() == 1);
REPORTER_ASSERT(r, results[0].equals("a"));
results.reset();
SkStrSplit(",,", ",", kStrict_SkStrSplitMode, &results);
REPORTER_ASSERT(r, results.count() == 3);
REPORTER_ASSERT(r, results[0].equals(""));
REPORTER_ASSERT(r, results[1].equals(""));
REPORTER_ASSERT(r, results[2].equals(""));
results.reset();
SkStrSplit(",a,b,", ",", kStrict_SkStrSplitMode, &results);
REPORTER_ASSERT(r, results.count() == 4);
REPORTER_ASSERT(r, results[0].equals(""));
REPORTER_ASSERT(r, results[1].equals("a"));
REPORTER_ASSERT(r, results[2].equals("b"));
REPORTER_ASSERT(r, results[3].equals(""));
}
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