Add a test case for all WFDB binary signal formats.

The record "binformats" contains one signal in each of the ten WFDB binary formats (8, 16, 61, 80, 160, 212, 310, 311, 24, and 32.) In this record, sample j of signal i is equal to: (i + 16843019 * j) % ((1 << adcres) - 1) + 1 - (1 << (adcres - 1))) Note that the length of the record is 499 samples, so each of the bit-packed data files ends with an incomplete data block. Use this record to test that it is possible to read all of the formats correctly, including when we skip one or two samples from the start and/or end of the record. (Skipping samples is expected to give incorrect results for format 8, so that signal is not required to match.) We do not test writing, since not all formats are currently supported by wr_dat_file.
MIT-LCP · Sep 24, 2021 · d16dd96 · d16dd96
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diff --git a/sample-data/binformats.d0 b/sample-data/binformats.d0
diff --git a/sample-data/binformats.d1 b/sample-data/binformats.d1
diff --git a/sample-data/binformats.d2 b/sample-data/binformats.d2
diff --git a/sample-data/binformats.d3 b/sample-data/binformats.d3
@@ -0,0 +1,3 @@
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diff --git a/sample-data/binformats.d4 b/sample-data/binformats.d4
diff --git a/sample-data/binformats.d5 b/sample-data/binformats.d5
diff --git a/sample-data/binformats.d6 b/sample-data/binformats.d6
diff --git a/sample-data/binformats.d7 b/sample-data/binformats.d7
diff --git a/sample-data/binformats.d8 b/sample-data/binformats.d8
diff --git a/sample-data/binformats.d9 b/sample-data/binformats.d9
diff --git a/sample-data/binformats.hea b/sample-data/binformats.hea
@@ -0,0 +1,11 @@
+binformats 10 200 499
+binformats.d0 8 200/mV 12 0 -2047 -31143 0 sig 0, fmt 8
+binformats.d1 16 200/mV 16 0 -32766 -750 0 sig 1, fmt 16
+binformats.d2 61 200/mV 16 0 -32765 -251 0 sig 2, fmt 61
+binformats.d3 80 200/mV 8 0 -124 -517 0 sig 3, fmt 80
+binformats.d4 160 200/mV 16 0 -32763 747 0 sig 4, fmt 160
+binformats.d5 212 200/mV 12 0 -2042 -6824 0 sig 5, fmt 212
+binformats.d6 310 200/mV 10 0 -505 -1621 0 sig 6, fmt 310
+binformats.d7 311 200/mV 10 0 -504 -2145 0 sig 7, fmt 311
+binformats.d8 24 200/mV 24 0 -8388599 11715 0 sig 8, fmt 24
+binformats.d9 32 200/mV 32 0 -2147483638 19035 0 sig 9, fmt 32
diff --git a/tests/target-output/record-1f.gz b/tests/target-output/record-1f.gz
diff --git a/tests/test_record.py b/tests/test_record.py
@@ -146,6 +146,35 @@ def test_1e(self):
         assert record.__eq__(record_pn)
         assert record_2.__eq__(record_write)
 
+    def test_1f(self):
+        """
+        All binary formats, multiple signal files in one record.
+
+        Target file created with:
+            rdsamp -r sample-data/binformats | cut -f 2- |
+            gzip -9 -n > record-1f.gz
+        """
+        record = wfdb.rdrecord('sample-data/binformats', physical=False)
+        sig_target = np.genfromtxt('tests/target-output/record-1f.gz')
+
+        for n, name in enumerate(record.sig_name):
+            np.testing.assert_array_equal(
+                record.d_signal[:, n],
+                sig_target[:, n],
+                "Mismatch in %s" % name)
+
+        for sampfrom in range(0, 3):
+            for sampto in range(record.sig_len - 3, record.sig_len):
+                record_2 = wfdb.rdrecord('sample-data/binformats',
+                                         physical=False,
+                                         sampfrom=sampfrom, sampto=sampto)
+                for n, name in enumerate(record.sig_name):
+                    if record.fmt[n] != '8':
+                        np.testing.assert_array_equal(
+                            record_2.d_signal[:, n],
+                            sig_target[sampfrom:sampto, n],
+                            "Mismatch in %s" % name)
+
     # ------------------ 2. Special format records ------------------ #
 
     def test_2a(self):