mirror of
https://github.com/tesseract-ocr/tesseract.git
synced 2024-12-15 17:49:29 +08:00
9e66fb918f
It was formatted with clang-format-7 -i unittest/*.{c*,h}.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
83 lines
2.7 KiB
C++
83 lines
2.7 KiB
C++
#include <stdio.h>
|
|
|
|
#include "tesseract/ccutil/scanutils.h"
|
|
|
|
namespace {
|
|
|
|
class ScanutilsTest : public ::testing::Test {
|
|
protected:
|
|
string TestDataNameToPath(const string& name) {
|
|
return file::JoinPath(FLAGS_test_srcdir, "testdata/" + name);
|
|
}
|
|
};
|
|
|
|
TEST_F(ScanutilsTest, DoesScanf) {
|
|
// This test verifies that tfscanf does Scanf the same as stdio fscanf.
|
|
// There are probably a gazillion more test cases that could be added, but
|
|
// these brought the tesseract and unittest test results in line.
|
|
string filename = TestDataNameToPath("scanftest.txt");
|
|
FILE* fp1 = fopen(filename.c_str(), "r");
|
|
FILE* fp2 = fopen(filename.c_str(), "r");
|
|
// The file contains this:
|
|
// 42.5 17 0.001000 -0.001000
|
|
// 0 1 123 -123 0x100
|
|
// abcdefghijklmnopqrstuvwxyz
|
|
// abcdefghijklmnopqrstuvwxyz
|
|
// MF 25 6.25e-2 0.5e5 -1e+4
|
|
// 42 MF 25 6.25e-2 0.5
|
|
// 24
|
|
const int kNumFloats = 4;
|
|
float f1[kNumFloats], f2[kNumFloats];
|
|
int r1 = fscanf(fp1, "%f %f %f %f", &f1[0], &f1[1], &f1[2], &f1[3]);
|
|
int r2 = tfscanf(fp2, "%f %f %f %f", &f2[0], &f2[1], &f2[2], &f2[3]);
|
|
EXPECT_EQ(r1, r2);
|
|
for (int i = 0; i < kNumFloats; ++i) EXPECT_FLOAT_EQ(f1[i], f2[i]);
|
|
const int kNumInts = 5;
|
|
int i1[kNumInts], i2[kNumInts];
|
|
r1 = fscanf(fp1, "%d %d %d %d %i", &i1[0], &i1[1], &i1[2], &i1[3], &i1[4]);
|
|
r2 = tfscanf(fp2, "%d %d %d %d %i", &i2[0], &i2[1], &i2[2], &i2[3], &i2[4]);
|
|
EXPECT_EQ(r1, r2);
|
|
for (int i = 0; i < kNumInts; ++i) EXPECT_EQ(i1[i], i2[i]);
|
|
const int kStrLen = 1024;
|
|
char s1[kStrLen];
|
|
char s2[kStrLen];
|
|
r1 = fscanf(fp1, "%1023s", s1);
|
|
r2 = tfscanf(fp2, "%1023s", s2);
|
|
EXPECT_EQ(r1, r2);
|
|
EXPECT_STREQ(s1, s2);
|
|
EXPECT_EQ(26, strlen(s2));
|
|
r1 = fscanf(fp1, "%20s", s1);
|
|
r2 = tfscanf(fp2, "%20s", s2);
|
|
EXPECT_EQ(r1, r2);
|
|
EXPECT_STREQ(s1, s2);
|
|
EXPECT_EQ(20, strlen(s2));
|
|
// Now read the rest of the alphabet.
|
|
r1 = fscanf(fp1, "%s", s1);
|
|
r2 = tfscanf(fp2, "%s", s2);
|
|
EXPECT_EQ(r1, r2);
|
|
EXPECT_STREQ(s1, s2);
|
|
EXPECT_EQ(6, strlen(s2));
|
|
r1 = fscanf(fp1, "%s", s1);
|
|
r2 = tfscanf(fp2, "%s", s2);
|
|
EXPECT_EQ(r1, r2);
|
|
EXPECT_STREQ(s1, s2);
|
|
EXPECT_EQ(2, strlen(s2));
|
|
r1 = fscanf(fp1, "%f %f %f %f", &f1[0], &f1[1], &f1[2], &f1[3]);
|
|
r2 = tfscanf(fp2, "%f %f %f %f", &f2[0], &f2[1], &f2[2], &f2[3]);
|
|
EXPECT_EQ(r1, r2);
|
|
for (int i = 0; i < kNumFloats; ++i) EXPECT_FLOAT_EQ(f1[i], f2[i]);
|
|
// Test the * for field suppression.
|
|
r1 = fscanf(fp1, "%d %*s %*d %*f %*f", &i1[0]);
|
|
r2 = tfscanf(fp2, "%d %*s %*d %*f %*f", &i2[0]);
|
|
EXPECT_EQ(r1, r2);
|
|
EXPECT_EQ(i1[0], i2[0]);
|
|
// We should still see the next value and no phantoms.
|
|
r1 = fscanf(fp1, "%d %s", &i1[0], s1);
|
|
r2 = tfscanf(fp2, "%d %s", &i2[0], s2);
|
|
EXPECT_EQ(r1, r2);
|
|
EXPECT_EQ(1, r2);
|
|
EXPECT_EQ(i1[0], i2[0]);
|
|
}
|
|
|
|
} // namespace
|