IRSOL
C++ code implementing socket server for interacting with Baumer camera.
Functions
test_pixel_format.cpp File Reference
#include "irsol/camera/pixel_format.hpp"
#include <catch2/catch_all.hpp>
#include <vector>

Go to the source code of this file.

Functions

 TEST_CASE ("Pixel<T>::max())", "[PixelFormat]")
 
 TEST_CASE ("PixelConversion<>::scale<T>())", "[PixelFormat]")
 
 TEST_CASE ("PixelByteSwapper<true>-swaps-bytes-for-16-bit-data", "[PixelFormat]")
 
 TEST_CASE ("PixelByteSwapper<false>-is-no-op", "[PixelFormat]")
 

Function Documentation

◆ TEST_CASE() [1/4]

TEST_CASE ( "Pixel<T>  ::max())

Definition at line 6 of file test_pixel_format.cpp.

7{
8 STATIC_CHECK(irsol::camera::Pixel<8>::max() == 255);
9 STATIC_CHECK(irsol::camera::Pixel<12>::max() == 4095);
10 STATIC_CHECK(irsol::camera::Pixel<16>::max() == 65535);
11}
irsol::camera::Pixel
Represents a pixel with a given bit depth.
Definition pixel_format.hpp:78
STATIC_CHECK
STATIC_CHECK(m.DIM==1)

◆ TEST_CASE() [2/4]

TEST_CASE ( "PixelByteSwapper<false>-is-no-op"  ,
""  [PixelFormat] 
)

Definition at line 102 of file test_pixel_format.cpp.

103{
104
105 SECTION("No-op on empty vector")
106 {
107 std::vector<irsol::types::byte_t> v;
108 irsol::camera::PixelByteSwapper<false>()(v.begin(), v.end());
109 CHECK(v.empty());
110 }
111
112 SECTION("No-op on non-empty vector")
113 {
114 std::vector<irsol::types::byte_t> v = {irsol::types::byte_t{0x01},
115 irsol::types::byte_t{0x02},
116 irsol::types::byte_t{0x03},
117 irsol::types::byte_t{0x04}};
118 irsol::camera::PixelByteSwapper<false>()(v.begin(), v.end());
119 CHECK(
120 v == std::vector<irsol::types::byte_t>{irsol::types::byte_t{0x01},
121 irsol::types::byte_t{0x02},
122 irsol::types::byte_t{0x03},
123 irsol::types::byte_t{0x04}});
124 }
125}
irsol::types::byte_t
std::byte byte_t
Alias for a single byte used in serialization or binary data handling.
Definition types.hpp:165
irsol::camera::PixelByteSwapper
Utility for swapping pixel bytes in a buffer.
Definition pixel_format.hpp:158
CHECK
CHECK(m.identifier==identifier)

◆ TEST_CASE() [3/4]

TEST_CASE ( "PixelByteSwapper<true>-swaps-bytes-for-16-bit-data"  ,
""  [PixelFormat] 
)

Definition at line 23 of file test_pixel_format.cpp.

24{
25
26 SECTION("Empty range does nothing")
27 {
28 std::vector<irsol::types::byte_t> v;
29 irsol::camera::PixelByteSwapper<true>()(v.begin(), v.end());
30 CHECK(v.empty());
31 }
32
33 SECTION("Begin after end raises an assertion")
34 {
35 std::vector<irsol::types::byte_t> v = {irsol::types::byte_t{0x01}, irsol::types::byte_t{0x02}};
36 CHECK_THROWS_AS(
37 irsol::camera::PixelByteSwapper<true>()(v.end(), v.begin()), irsol::AssertionException);
38 }
39
40 SECTION("Even number of bytes swaps pairs")
41 {
42 std::vector<irsol::types::byte_t> v = {irsol::types::byte_t{0x01},
43 irsol::types::byte_t{0x02},
44 irsol::types::byte_t{0x03},
45 irsol::types::byte_t{0x04}};
46 irsol::camera::PixelByteSwapper<true>()(v.begin(), v.end());
47 CHECK(
48 v == std::vector<irsol::types::byte_t>{irsol::types::byte_t{0x02},
49 irsol::types::byte_t{0x01},
50 irsol::types::byte_t{0x04},
51 irsol::types::byte_t{0x03}});
52 }
53
54 SECTION("Odd number of bytes swaps pairs, last byte untouched")
55 {
56 std::vector<irsol::types::byte_t> v = {
57 irsol::types::byte_t{0x01}, irsol::types::byte_t{0x02}, irsol::types::byte_t{0x03}};
58 irsol::camera::PixelByteSwapper<true>()(v.begin(), v.end());
59 CHECK(
60 v == std::vector<irsol::types::byte_t>{
61 irsol::types::byte_t{0x02}, irsol::types::byte_t{0x01}, irsol::types::byte_t{0x03}});
62 }
63
64 SECTION("Single byte does nothing")
65 {
66 std::vector<irsol::types::byte_t> v = {irsol::types::byte_t{0xAA}};
67 irsol::camera::PixelByteSwapper<true>()(v.begin(), v.end());
68 CHECK(v == std::vector<irsol::types::byte_t>{irsol::types::byte_t{0xAA}});
69 }
70
71 SECTION("Longer vector swaps all pairs correctly")
72 {
73 std::vector<irsol::types::byte_t> v = {irsol::types::byte_t{0x01},
74 irsol::types::byte_t{0x02},
75 irsol::types::byte_t{0x03},
76 irsol::types::byte_t{0x04},
77 irsol::types::byte_t{0x05},
78 irsol::types::byte_t{0x06},
79 irsol::types::byte_t{0x07},
80 irsol::types::byte_t{0x08},
81 irsol::types::byte_t{0x09},
82 irsol::types::byte_t{0x0A},
83 irsol::types::byte_t{0x0B},
84 irsol::types::byte_t{0x0C}};
85 irsol::camera::PixelByteSwapper<true>()(v.begin(), v.end());
86 CHECK(
87 v == std::vector<irsol::types::byte_t>{irsol::types::byte_t{0x02},
88 irsol::types::byte_t{0x01},
89 irsol::types::byte_t{0x04},
90 irsol::types::byte_t{0x03},
91 irsol::types::byte_t{0x06},
92 irsol::types::byte_t{0x05},
93 irsol::types::byte_t{0x08},
94 irsol::types::byte_t{0x07},
95 irsol::types::byte_t{0x0A},
96 irsol::types::byte_t{0x09},
97 irsol::types::byte_t{0x0C},
98 irsol::types::byte_t{0x0B}});
99 }
100}
irsol::AssertionException
ppk::assert::AssertionException AssertionException
Definition assert.hpp:149
CHECK_THROWS_AS
CHECK_THROWS_AS(irsol::protocol::Assignment(identifier, value), std::invalid_argument)

◆ TEST_CASE() [4/4]

TEST_CASE ( "PixelConversion<>::scale<T>  ())

Definition at line 13 of file test_pixel_format.cpp.

14{
15 CHECK(irsol::camera::PixelConversion<8, 12>::scale(255) == 4095);
16 CHECK(irsol::camera::PixelConversion<8, 16>::scale(255) == 65535);
17 CHECK(irsol::camera::PixelConversion<12, 16>::scale(4095) == 65535);
18 CHECK(irsol::camera::PixelConversion<12, 8>::scale(4095) == 255);
19 CHECK(irsol::camera::PixelConversion<16, 8>::scale(65535) == 255);
20 CHECK(irsol::camera::PixelConversion<16, 12>::scale(65535) == 4095);
21}
irsol::camera::PixelConversion
Helper to convert pixel values from one bit depth to another with scaling.
Definition pixel_format.hpp:123