unit_tests/tests/util/test_scaled_channel.cpp

Directory:	./
File:	unit_tests/tests/util/test_scaled_channel.cpp
Date:	2025-10-24 14:26:41

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Functions:	100.0%	9	0	9
Branches:	32.5%	40	0	123
Decisions:	-%	0	-	0

  
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      #include "pch.h"
    
      #include "boost_control.h"
    
      using ::testing::_;
    
      using ::testing::StrictMock;
    
      4
      TEST(ScaledChannel, Basic) {
    
      	{
    
      1
      		scaled_channel<int16_t, 10> i1;
    
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      		i1 = 10;    EXPECT_FLOAT_EQ(i1, 10);
    
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      1
      		i1 =  1;    EXPECT_FLOAT_EQ(i1,  1);
    
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      		i1 =  0.11; EXPECT_FLOAT_EQ(i1,  0.1); // round
    
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      		i1 =  0.1;  EXPECT_FLOAT_EQ(i1,  0.1);
    
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      		i1 =  0.09; EXPECT_FLOAT_EQ(i1,  0.1); // round
    
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      1
      		i1 =  0.01; EXPECT_FLOAT_EQ(i1,  0.); // out of range
    
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      		i1 = -0.09; EXPECT_FLOAT_EQ(i1, -0.1); // round
    
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      		i1 = -0.1;  EXPECT_FLOAT_EQ(i1, -0.1);
    
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      1
      		i1 = -0.11; EXPECT_FLOAT_EQ(i1, -0.1); // round
    
      	}
    
      	{
    
      1
      		scaled_channel<int16_t, 1, 10> i2;
    
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      		i2 = 1000; EXPECT_FLOAT_EQ(i2, 1000);
    
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      		i2 =  100; EXPECT_FLOAT_EQ(i2,  100);
    
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      		i2 =   11; EXPECT_FLOAT_EQ(i2,   10); // round
    
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      		i2 =   10; EXPECT_FLOAT_EQ(i2,   10);
    
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      		i2 =    9; EXPECT_FLOAT_EQ(i2,   10); // round
    
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      1
      		i2 =    1; EXPECT_FLOAT_EQ(i2,    0); // out of range
    
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      		i2 =   -9; EXPECT_FLOAT_EQ(i2,  -10); // round
    
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      		i2 =  -10; EXPECT_FLOAT_EQ(i2,  -10);
    
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      1
      		i2 =  -11; EXPECT_FLOAT_EQ(i2,  -10); // round
    
      	}
    
      1
      }
    
      4
      TEST(ScaledChannel, IntegerBehavior) {
    
      1
      	scaled_channel<uint32_t, 1, 1> test;
    
      	// Check that a round trip thru scaled_channel gets us back the same integer
    
      1
      	uint32_t a = 20210311;
    
      1
      	test = a;
    
      1
      	uint32_t b = test;
    
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      1
      	EXPECT_EQ(a, b);
    
      1
      }
    
      4
      TEST(ScaledChannel, IntegerUnsigned8Behavior) {
    
      1
      	scaled_channel<uint8_t, 1, 1> test;
    
      1
      	uint32_t a = 140;
    
      1
      	test = a;
    
      1
      	uint32_t b = test;
    
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      1
      	EXPECT_EQ(a, b) << a << " unsigned8 " << b;
    
      1
      }

Line	Branch	Exec	Source
1			#include "pch.h"
2
3			#include "boost_control.h"
4
5			using ::testing::_;
6			using ::testing::StrictMock;
7
8		4	TEST(ScaledChannel, Basic) {
9			{
10		1	scaled_channel<int16_t, 10> i1;
11	2/6 ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✓ Branch 10 taken 1 time. ✗ Branch 13 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.	1	i1 = 10; EXPECT_FLOAT_EQ(i1, 10);
12	2/6 ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✓ Branch 10 taken 1 time. ✗ Branch 13 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.	1	i1 = 1; EXPECT_FLOAT_EQ(i1, 1);
13	2/6 ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✓ Branch 10 taken 1 time. ✗ Branch 13 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.	1	i1 = 0.11; EXPECT_FLOAT_EQ(i1, 0.1); // round
14	2/6 ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✓ Branch 10 taken 1 time. ✗ Branch 13 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.	1	i1 = 0.1; EXPECT_FLOAT_EQ(i1, 0.1);
15	2/6 ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✓ Branch 10 taken 1 time. ✗ Branch 13 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.	1	i1 = 0.09; EXPECT_FLOAT_EQ(i1, 0.1); // round
16	2/6 ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✓ Branch 10 taken 1 time. ✗ Branch 13 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.	1	i1 = 0.01; EXPECT_FLOAT_EQ(i1, 0.); // out of range
17	2/6 ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✓ Branch 10 taken 1 time. ✗ Branch 13 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.	1	i1 = -0.09; EXPECT_FLOAT_EQ(i1, -0.1); // round
18	2/6 ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✓ Branch 10 taken 1 time. ✗ Branch 13 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.	1	i1 = -0.1; EXPECT_FLOAT_EQ(i1, -0.1);
19	2/6 ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✓ Branch 10 taken 1 time. ✗ Branch 13 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.	1	i1 = -0.11; EXPECT_FLOAT_EQ(i1, -0.1); // round
20			}
21
22			{
23		1	scaled_channel<int16_t, 1, 10> i2;
24	2/6 ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✓ Branch 10 taken 1 time. ✗ Branch 13 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.	1	i2 = 1000; EXPECT_FLOAT_EQ(i2, 1000);
25	2/6 ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✓ Branch 10 taken 1 time. ✗ Branch 13 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.	1	i2 = 100; EXPECT_FLOAT_EQ(i2, 100);
26	2/6 ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✓ Branch 10 taken 1 time. ✗ Branch 13 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.	1	i2 = 11; EXPECT_FLOAT_EQ(i2, 10); // round
27	2/6 ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✓ Branch 10 taken 1 time. ✗ Branch 13 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.	1	i2 = 10; EXPECT_FLOAT_EQ(i2, 10);
28	2/6 ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✓ Branch 10 taken 1 time. ✗ Branch 13 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.	1	i2 = 9; EXPECT_FLOAT_EQ(i2, 10); // round
29	2/6 ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✓ Branch 10 taken 1 time. ✗ Branch 13 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.	1	i2 = 1; EXPECT_FLOAT_EQ(i2, 0); // out of range
30	2/6 ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✓ Branch 10 taken 1 time. ✗ Branch 13 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.	1	i2 = -9; EXPECT_FLOAT_EQ(i2, -10); // round
31	2/6 ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✓ Branch 10 taken 1 time. ✗ Branch 13 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.	1	i2 = -10; EXPECT_FLOAT_EQ(i2, -10);
32	2/6 ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✓ Branch 10 taken 1 time. ✗ Branch 13 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.	1	i2 = -11; EXPECT_FLOAT_EQ(i2, -10); // round
33			}
34		1	}
35
36		4	TEST(ScaledChannel, IntegerBehavior) {
37		1	scaled_channel<uint32_t, 1, 1> test;
38
39			// Check that a round trip thru scaled_channel gets us back the same integer
40		1	uint32_t a = 20210311;
41		1	test = a;
42		1	uint32_t b = test;
43
44	2/6 ✓ Branch 2 taken 1 time. ✗ Branch 5 not taken. ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✗ Branch 14 not taken. ✗ Branch 17 not taken.	1	EXPECT_EQ(a, b);
45		1	}
46
47		4	TEST(ScaledChannel, IntegerUnsigned8Behavior) {
48		1	scaled_channel<uint8_t, 1, 1> test;
49
50		1	uint32_t a = 140;
51		1	test = a;
52		1	uint32_t b = test;
53	2/9 ✓ Branch 2 taken 1 time. ✗ Branch 5 not taken. ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✗ Branch 12 not taken. ✗ Branch 15 not taken. ✗ Branch 18 not taken. ✗ Branch 23 not taken. ✗ Branch 26 not taken.	1	EXPECT_EQ(a, b) << a << " unsigned8 " << b;
54		1	}
55