From 26dafcd858146f028c5b23fcf6c5c05fd3c3a670 Mon Sep 17 00:00:00 2001
From: Lorenzo Colitti <lorenzo@google.com>
Date: Thu, 26 Sep 2019 23:40:02 +0900
Subject: Add some tests for apf_run.

These tests cover both apf_run itself and the disassembler (and
of course the interpreter).

Test: atest apf_run_test
Change-Id: I622bb2bbd0ec48bdddb511963c374651705ff545
---
 Android.bp                                 | 15 ++++++++
 apf_run_test.sh                            | 32 +++++++++++++++++
 apf_run_test.xml                           | 25 +++++++++++++
 testdata/large_ra_without_counters.output  | 26 ++++++++++++++
 testdata/large_ra_without_counters.packet  |  1 +
 testdata/large_ra_without_counters.program |  1 +
 testdata/one_ra_with_counters.data         |  1 +
 testdata/one_ra_with_counters.output       | 57 ++++++++++++++++++++++++++++++
 testdata/one_ra_with_counters.packet       |  1 +
 testdata/one_ra_with_counters.program      |  1 +
 10 files changed, 160 insertions(+)
 create mode 100755 apf_run_test.sh
 create mode 100644 apf_run_test.xml
 create mode 100644 testdata/large_ra_without_counters.output
 create mode 100644 testdata/large_ra_without_counters.packet
 create mode 100644 testdata/large_ra_without_counters.program
 create mode 100644 testdata/one_ra_with_counters.data
 create mode 100644 testdata/one_ra_with_counters.output
 create mode 100644 testdata/one_ra_with_counters.packet
 create mode 100644 testdata/one_ra_with_counters.program

diff --git a/Android.bp b/Android.bp
index c326428..5df80dd 100644
--- a/Android.bp
+++ b/Android.bp
@@ -52,3 +52,18 @@ cc_binary_host {
         },
     },
 }
+
+sh_test_host {
+    name: "apf_run_test",
+    src: "apf_run_test.sh",
+    filename: "apf_run_test.sh",
+    test_suites: ["general-tests"],
+    test_config: "apf_run_test.xml",
+    required: [":apf_run"],
+    data: ["testdata/*"],
+    target: {
+        darwin: {
+            enabled: false,
+        },
+    },
+}
diff --git a/apf_run_test.sh b/apf_run_test.sh
new file mode 100755
index 0000000..b365e84
--- /dev/null
+++ b/apf_run_test.sh
@@ -0,0 +1,32 @@
+#!/bin/bash
+
+# Find out where we are and what we're called.
+cd $(dirname $0)
+testname=$(basename $(basename $0 .sh))
+
+# All's well that ends well.
+retcode=0
+
+# Loop through testcases and run each one.
+# Each testcase is composed of a program, a packet, optionally the starting data, and the output.
+for prog in testdata/*.program; do
+    testcase=$(basename $prog .program)
+    prog=$(cat testdata/$testcase.program)
+    pkt=$(cat testdata/$testcase.packet)
+    outputpath=testdata/$testcase.output
+
+    args="--trace --program $prog --packet $pkt"
+    if [[ -f testdata/$testcase.data ]]; then
+        args="$args --data $(cat testdata/$testcase.data)"
+    fi
+
+    if diff --color -u <(apf_run $args) <(cat $outputpath); then
+        echo $testname: $testcase: PASS
+    else
+        echo $testname: $testcase: FAIL
+        retcode=1
+    fi
+done
+
+# Report pass/fail to the test runner.
+exit $retcode
diff --git a/apf_run_test.xml b/apf_run_test.xml
new file mode 100644
index 0000000..689d5a6
--- /dev/null
+++ b/apf_run_test.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2019 The Android Open Source Project
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+<configuration description="Config for running APF tools tests through atest">
+    <option name="test-suite-tag" value="apf_run_test" />
+    <!-- This test requires a device, so it's not annotated with a null-device -->
+    <test class="com.android.tradefed.testtype.binary.ExecutableHostTest" >
+        <option name="binary" value="apf_run_test.sh" />
+        <!-- Script assumes a relative path with the tests/ folders -->
+        <option name="relative-path-execution" value="true" />
+        <option name="per-binary-timeout" value="30s" />
+    </test>
+</configuration>
diff --git a/testdata/large_ra_without_counters.output b/testdata/large_ra_without_counters.output
new file mode 100644
index 0000000..e5faeb8
--- /dev/null
+++ b/testdata/large_ra_without_counters.output
@@ -0,0 +1,26 @@
+      R0       R1       PC  Instruction
+-------------------------------------------------
+       0        0        0: ldh   r0, [12]
+       2     86dd        2: jlt   r0, 0x600, DROP
+       7     86dd        7: jne   r0, 0x806, 64
+      40     86dd       64: jne   r0, 0x800, 141
+      8d     86dd      141: jeq   r0, 0x86dd, 161
+      a1     86dd      161: ldb   r0, [20]
+      a3       3a      163: jeq   r0, 0x3a, 176
+      b0       3a      176: ldb   r0, [54]
+      b2       86      178: jeq   r0, 0x85, DROP
+      b7       86      183: jne   r0, 0x88, 210
+      d2       86      210: ldm   r0, m[14]
+      d4       ee      212: jne   r0, 0x46, 297
+     129       ee      297: ldm   r0, m[14]
+     12b       ee      299: jne   r0, 0x66, 433
+     1b1       ee      433: ldm   r0, m[14]
+     1b3       ee      435: jne   r0, 0x6e, 571
+     23b       ee      571: ldm   r0, m[14]
+     23d       ee      573: jne   r0, 0x5e, 687
+     2af       ee      687: ldm   r0, m[14]
+     2b1       ee      689: jne   r0, 0x5e, 808
+     328       ee      808: ldm   r0, m[14]
+     32a       ee      810: jne   r0, 0x4e, PASS
+     38c       ee      908: PASS
+Packet passed
diff --git a/testdata/large_ra_without_counters.packet b/testdata/large_ra_without_counters.packet
new file mode 100644
index 0000000..ee06334
--- /dev/null
+++ b/testdata/large_ra_without_counters.packet
@@ -0,0 +1 @@
+00000000000000000000000086dd6001234500ee3afffe80000000000000000000001234abcdff020000000000000000000000000001860000004000070800007530000003e818036018000004b00064ff9b0000000000000000000000001905000000001c2020010db800010000000000000000000120010db8000100000000000000000002180203180000083420000000000000001801001800000960030440c0000002580000012c0000000020010db8000a0000000000000000000018024018000005dc20010db8000c000d030440c0000151800000a8c000000000fd950d1e001200000000000000000000
diff --git a/testdata/large_ra_without_counters.program b/testdata/large_ra_without_counters.program
new file mode 100644
index 0000000..b278059
--- /dev/null
+++ b/testdata/large_ra_without_counters.program
@@ -0,0 +1 @@
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
diff --git a/testdata/one_ra_with_counters.data b/testdata/one_ra_with_counters.data
new file mode 100644
index 0000000..e0e2853
--- /dev/null
+++ b/testdata/one_ra_with_counters.data
@@ -0,0 +1 @@
+0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001b00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000029
diff --git a/testdata/one_ra_with_counters.output b/testdata/one_ra_with_counters.output
new file mode 100644
index 0000000..76f24a1
--- /dev/null
+++ b/testdata/one_ra_with_counters.output
@@ -0,0 +1,57 @@
+      R0       R1       PC  Instruction
+-------------------------------------------------
+       0        0        0: li    r1, -4
+       2        0        2: lddw  r0, [r1+0]
+       3       29        3: add   r0, 1
+       5       2a        5: stdw  r0, [r1+0]
+       6       2a        6: ldh   r0, [12]
+       8     86dd        8: li    r1, -104
+       a     86dd       10: jlt   r0, 0x600, 503
+       f     86dd       15: li    r1, -108
+      11     86dd       17: jeq   r0, 0x88a2, 503
+      16     86dd       22: jeq   r0, 0x88a4, 503
+      1b     86dd       27: jeq   r0, 0x88b8, 503
+      20     86dd       32: jeq   r0, 0x88cd, 503
+      25     86dd       37: jeq   r0, 0x88e3, 503
+      2a     86dd       42: jne   r0, 0x806, 115
+      73     86dd      115: jne   r0, 0x800, 215
+      d7     86dd      215: jeq   r0, 0x86dd, 239
+      ef     86dd      239: ldb   r0, [20]
+      f1       3a      241: jeq   r0, 0x3a, 255
+      ff       3a      255: ldb   r0, [54]
+     101       86      257: li    r1, -84
+     103       86      259: jeq   r0, 0x85, 503
+     106       86      262: jne   r0, 0x88, 290
+     122       86      290: ldm   r0, m[14]
+     124       96      292: jne   r0, 0x96, 495
+     127       96      295: ldm   r0, m[15]
+     129        0      297: jgt   r0, 0x258, 495
+     12e        0      302: li    r0, 0
+     12f        0      303: jnebs r0, 0xf, 495, 428e66343deb28a24b792e9086dd68
+     141        0      321: li    r0, 18
+     143       12      323: jnebs r0, 0x26, 495, 00603afffe8000000000000002005efffe000265fe80000000000000408e66fffe343deb8600
+     16c       12      364: li    r0, 58
+     16e       3a      366: jnebs r0, 0x2, 495, 4000
+     173       3a      371: ldh   r0, [60]
+     175      e10      373: jlt   r0, 0x258, 495
+     17a      e10      378: li    r0, 62
+     17c       3e      380: jnebs r0, 0x14, 495, 0000000000000000010100005e00026519050000
+     193       3e      403: ldw   r0, [82]
+     195      e10      405: jlt   r0, 0x258, 495
+     19a      e10      410: li    r0, 86
+     19c       56      412: jnebs r0, 0x24, 495, 2001486048600000000000000000884420014860486000000000000000008888030440c0
+     1c3       56      451: ldw   r0, [122]
+     1c5   278d00      453: jlt   r0, 0x258, 495
+     1ca   278d00      458: ldw   r0, [126]
+     1cc    93a80      460: jlt   r0, 0x258, 495
+     1d1    93a80      465: li    r0, 130
+     1d4       82      468: jnebs r0, 0x14, 495, 000000002a0079e10abc0e000000000000000000
+     1eb       82      491: li    r1, -56
+     1ed       82      493: jmp   503
+     1f7       82      503: lddw  r0, [r1+0]
+     1f8       1b      504: add   r0, 1
+     1fa       1c      506: stdw  r0, [r1+0]
+     1fb       1c      507: jmp   DROP
+     1fe       1c      510: DROP
+Packet dropped
+Data: 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001c0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a
diff --git a/testdata/one_ra_with_counters.packet b/testdata/one_ra_with_counters.packet
new file mode 100644
index 0000000..861d8e9
--- /dev/null
+++ b/testdata/one_ra_with_counters.packet
@@ -0,0 +1 @@
+428e66343deb28a24b792e9086dd6800000000603afffe8000000000000002005efffe000265fe80000000000000408e66fffe343deb8600266140000e100000000000000000010100005e0002651905000000000e102001486048600000000000000000884420014860486000000000000000008888030440c000278d0000093a80000000002a0079e10abc0e000000000000000000
diff --git a/testdata/one_ra_with_counters.program b/testdata/one_ra_with_counters.program
new file mode 100644
index 0000000..4a1895f
--- /dev/null
+++ b/testdata/one_ra_with_counters.program
@@ -0,0 +1 @@
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