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+#!/bin/sh
+
+test_description='test trace2 facility (normal target)'
+. ./test-lib.sh
+
+# Add t/helper directory to PATH so that we can use a relative
+# path to run nested instances of test-tool.exe (see 004child).
+# This helps with HEREDOC comparisons later.
+TTDIR="$GIT_BUILD_DIR/t/helper/" && export TTDIR
+PATH="$TTDIR:$PATH" && export PATH
+
+# Warning: use of 'test_cmp' may run test-tool.exe and/or git.exe
+# Warning: to do the actual diff/comparison, so the HEREDOCs here
+# Warning: only cover our actual calls to test-tool and/or git.
+# Warning: So you may see extra lines in artifact files when
+# Warning: interactively debugging.
+
+# Turn off any inherited trace2 settings for this test.
+unset GIT_TR2 GIT_TR2_PERF GIT_TR2_EVENT
+unset GIT_TR2_BRIEF
+unset GIT_TR2_CONFIG_PARAMS
+
+V=$(git version | sed -e 's/^git version //') && export V
+
+# There are multiple trace2 targets: normal, perf, and event.
+# Trace2 events will/can be written to each active target (subject
+# to whatever filtering that target decides to do).
+# This script tests the normal target in isolation.
+#
+# Defer setting GIT_TR2 until the actual command line we want to test
+# because hidden git and test-tool commands run by the test harness
+# can contaminate our output.
+
+# Enable "brief" feature which turns off "<clock> <file>:<line> " prefix.
+GIT_TR2_BRIEF=1 && export GIT_TR2_BRIEF
+
+# Basic tests of the trace2 normal stream. Since this stream is used
+# primarily with printf-style debugging/tracing, we do limited testing
+# here.
+#
+# We do confirm the following API features:
+# [] the 'version <v>' event
+# [] the 'start <argv>' event
+# [] the 'cmd_name <name>' event
+# [] the 'exit <time> code:<code>' event
+# [] the 'atexit <time> code:<code>' event
+#
+# Fields of the form _FIELD_ are tokens that have been replaced (such
+# as the elapsed time).
+
+# Verb 001return
+#
+# Implicit return from cmd_<verb> function propagates <code>.
+
+test_expect_success 'normal stream, return code 0' '
+ test_when_finished "rm trace.normal actual expect" &&
+ GIT_TR2="$(pwd)/trace.normal" test-tool trace2 001return 0 &&
+ perl "$TEST_DIRECTORY/t0210/scrub_normal.perl" <trace.normal >actual &&
+ cat >expect <<-EOF &&
+ version $V
+ start _EXE_ trace2 001return 0
+ cmd_name trace2 (trace2)
+ exit elapsed:_TIME_ code:0
+ atexit elapsed:_TIME_ code:0
+ EOF
+ test_cmp expect actual
+'
+
+test_expect_success 'normal stream, return code 1' '
+ test_when_finished "rm trace.normal actual expect" &&
+ test_must_fail env GIT_TR2="$(pwd)/trace.normal" test-tool trace2 001return 1 &&
+ perl "$TEST_DIRECTORY/t0210/scrub_normal.perl" <trace.normal >actual &&
+ cat >expect <<-EOF &&
+ version $V
+ start _EXE_ trace2 001return 1
+ cmd_name trace2 (trace2)
+ exit elapsed:_TIME_ code:1
+ atexit elapsed:_TIME_ code:1
+ EOF
+ test_cmp expect actual
+'
+
+# Verb 002exit
+#
+# Explicit exit(code) from within cmd_<verb> propagates <code>.
+
+test_expect_success 'normal stream, exit code 0' '
+ test_when_finished "rm trace.normal actual expect" &&
+ GIT_TR2="$(pwd)/trace.normal" test-tool trace2 002exit 0 &&
+ perl "$TEST_DIRECTORY/t0210/scrub_normal.perl" <trace.normal >actual &&
+ cat >expect <<-EOF &&
+ version $V
+ start _EXE_ trace2 002exit 0
+ cmd_name trace2 (trace2)
+ exit elapsed:_TIME_ code:0
+ atexit elapsed:_TIME_ code:0
+ EOF
+ test_cmp expect actual
+'
+
+test_expect_success 'normal stream, exit code 1' '
+ test_when_finished "rm trace.normal actual expect" &&
+ test_must_fail env GIT_TR2="$(pwd)/trace.normal" test-tool trace2 002exit 1 &&
+ perl "$TEST_DIRECTORY/t0210/scrub_normal.perl" <trace.normal >actual &&
+ cat >expect <<-EOF &&
+ version $V
+ start _EXE_ trace2 002exit 1
+ cmd_name trace2 (trace2)
+ exit elapsed:_TIME_ code:1
+ atexit elapsed:_TIME_ code:1
+ EOF
+ test_cmp expect actual
+'
+
+# Verb 003error
+#
+# To the above, add multiple 'error <msg>' events
+
+test_expect_success 'normal stream, error event' '
+ test_when_finished "rm trace.normal actual expect" &&
+ GIT_TR2="$(pwd)/trace.normal" test-tool trace2 003error "hello world" "this is a test" &&
+ perl "$TEST_DIRECTORY/t0210/scrub_normal.perl" <trace.normal >actual &&
+ cat >expect <<-EOF &&
+ version $V
+ start _EXE_ trace2 003error '\''hello world'\'' '\''this is a test'\''
+ cmd_name trace2 (trace2)
+ error hello world
+ error this is a test
+ exit elapsed:_TIME_ code:0
+ atexit elapsed:_TIME_ code:0
+ EOF
+ test_cmp expect actual
+'
+
+test_done