diff --git a/.github/actions/install-deps/action.yml b/.github/actions/install-deps/action.yml
index e3d00f823..da3cb0fea 100644
--- a/.github/actions/install-deps/action.yml
+++ b/.github/actions/install-deps/action.yml
@@ -7,7 +7,7 @@ runs:
     - name: Setup `wasmtime` for tests
       uses: bytecodealliance/actions/wasmtime/setup@v1
       with:
-        version: "41.0.3"
+        version: "44.0.0"
     - name: Install ccache, ninja (macOS)
       run: brew install ccache ninja
       if: runner.os == 'macOS'
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 9bb5fc2eb..3b5972ddb 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -28,12 +28,26 @@ set(opt_flags -O0 -O2 "-O2 -flto")
 
 add_custom_target(build-tests)
 
-# Executes a single `test` specified.
+# Registers `test` with CMake, compiling it with a number of flag combinations
+# and for all enabled targets. This will register up to many tests with CTest.
 #
-# This will compile `test` for all the various targets and with various
-# compiler options. If `runwasi` is non-empty then the test will be executed
-# in that runner as well.
-function(add_testcase runwasi test)
+# This function takes CMake-style arguments, specified as:
+#
+# * `EMULATED_CLOCKS` - enables `-lwasi-emulated-process-clocks` when compiling.
+# * `EMULATED_MMAN` - enables `-lwasi-emulated-mman` when compiling.
+# * `EMULATED_SIGNAL` - enables `-lwasi-emulated-signal` when compiling.
+# * `PRINTSCAN_LONG_DOUBLE` - enables `-lc-printscan-long-double` when compiling.
+# * `FSDIR` - requires `${test}.dir` to exist and mounts it when running the test
+# * `PASS_REGULAR_EXPRESSION` - same as the CTest property
+# * `ENV` - env vars (the `--env` flag in Wasmtime) to pass to the test.
+# * `COMPILE_ONLY` - does not actually execute this test, just compiles it.
+function(add_testcase test)
+  set(options EMULATED_CLOCKS EMULATED_MMAN EMULATED_SIGNAL
+    PRINTSCAN_LONG_DOUBLE FSDIR COMPILE_ONLY)
+  set(oneValueArgs PASS_REGULAR_EXPRESSION)
+  set(multiValueArgs ENV)
+  cmake_parse_arguments(PARSE_ARGV 1 arg "${options}" "${oneValueArgs}" "${multiValueArgs}")
+
   foreach(target IN LISTS WASI_SDK_TARGETS)
     foreach(compile_flags IN LISTS opt_flags)
       # Mangle the options into something appropriate for a CMake rule name
@@ -52,16 +66,19 @@ function(add_testcase runwasi test)
       endif()
 
       # Apply test-specific compile options and link flags.
-      if(test MATCHES "clocks.c$")
+      if(${arg_EMULATED_CLOCKS})
         target_compile_options(${target_name} PRIVATE -D_WASI_EMULATED_PROCESS_CLOCKS)
         target_link_options(${target_name} PRIVATE -lwasi-emulated-process-clocks)
-      elseif(test MATCHES "mmap.c$")
+      endif()
+      if(${arg_EMULATED_MMAN})
         target_compile_options(${target_name} PRIVATE -D_WASI_EMULATED_MMAN)
         target_link_options(${target_name} PRIVATE -lwasi-emulated-mman)
-      elseif(test MATCHES "(sigabrt|signals).c$")
+      endif()
+      if(${arg_EMULATED_SIGNAL})
         target_compile_options(${target_name} PRIVATE -D_WASI_EMULATED_SIGNAL)
         target_link_options(${target_name} PRIVATE -lwasi-emulated-signal)
-      elseif(test MATCHES "printf-long-double-enabled.c$")
+      endif()
+      if(${arg_PRINTSCAN_LONG_DOUBLE})
         target_link_options(${target_name} PRIVATE -lc-printscan-long-double)
       endif()
 
@@ -93,27 +110,42 @@ function(add_testcase runwasi test)
         target_link_options(${target_name} PRIVATE -Wno-deprecated)
       endif()
 
-      if(runwasi)
-        set(runner ${runwasi})
-        if(${runner} MATCHES wasmtime)
-          if(target MATCHES threads)
-            set(runner "${runner} -Wshared-memory")
-          endif()
-          if(WASI_SDK_EXCEPTIONS)
-            set(runner "${runner} -Wexceptions")
-          endif()
-          if(target MATCHES "wasip3")
-            set(runner "${runner} -Wcomponent-model-async -Sp3")
-          endif()
+      if(arg_COMPILE_ONLY)
+        continue()
+      endif()
+
+      set(runner ${WASI_SDK_RUNWASI})
+      set(args)
+      if(${runner} MATCHES wasmtime)
+        if(target MATCHES threads)
+          list(APPEND runner -Wshared-memory)
         endif()
-        add_test(
-          NAME test-${target_name}
-          COMMAND
-            bash ../testcase.sh
-            ${runner}
-            ${test}
-            $<TARGET_FILE:${target_name}>
-          WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+        if(WASI_SDK_EXCEPTIONS)
+          list(APPEND runner -Wexceptions)
+        endif()
+        if(target MATCHES "wasip3")
+          list(APPEND runner -Wcomponent-model-async -Sp3)
+        endif()
+      endif()
+
+      foreach(env IN LISTS arg_ENV)
+        list(APPEND runner --env ${env})
+      endforeach()
+
+      if (${arg_FSDIR})
+        list(APPEND runner --dir ${CMAKE_CURRENT_SOURCE_DIR}/${test}.dir::${test}.dir)
+        list(APPEND args ${test}.dir)
+      endif()
+
+      add_test(
+        NAME test-${target_name}
+        COMMAND
+          ${runner}
+          $<TARGET_FILE:${target_name}>
+          ${args}
+      )
+      if (arg_PASS_REGULAR_EXPRESSION)
+        set_tests_properties(test-${target_name} PROPERTIES PASS_REGULAR_EXPRESSION ${arg_PASS_REGULAR_EXPRESSION})
       endif()
     endforeach()
   endforeach()
diff --git a/tests/compile-only/CMakeLists.txt b/tests/compile-only/CMakeLists.txt
index 484a9cddc..909b0537d 100644
--- a/tests/compile-only/CMakeLists.txt
+++ b/tests/compile-only/CMakeLists.txt
@@ -1,9 +1,3 @@
-file(GLOB c_compile_tests RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "*.c")
-file(GLOB cxx_compile_tests RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "*.cc")
-
-set(compile_tests ${c_compile_tests} ${cxx_compile_tests})
-
-foreach(test IN LISTS compile_tests)
-  add_testcase("" ${test})
-endforeach()
-
+add_testcase(addresses.c COMPILE_ONLY)
+add_testcase(printf-long-double.c COMPILE_ONLY)
+add_testcase(test.cc COMPILE_ONLY)
diff --git a/tests/exit_status_zero b/tests/exit_status_zero
deleted file mode 100644
index 573541ac9..000000000
--- a/tests/exit_status_zero
+++ /dev/null
@@ -1 +0,0 @@
-0
diff --git a/tests/general/CMakeLists.txt b/tests/general/CMakeLists.txt
index 2954fd197..189a500c7 100644
--- a/tests/general/CMakeLists.txt
+++ b/tests/general/CMakeLists.txt
@@ -1,8 +1,69 @@
-file(GLOB c_general_tests RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} CONFIGURE_DEPENDS "*.c")
-file(GLOB cxx_general_tests RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} CONFIGURE_DEPENDS "*.cc")
+add_testcase(abort.c PASS_REGULAR_EXPRESSION "wasm trap.*unreachable")
+add_testcase(argc_argv_main.c PASS_REGULAR_EXPRESSION "hello from argc argv main")
+add_testcase(argc_argv_main.cc PASS_REGULAR_EXPRESSION "hello from C\\+\\+ argc argv main")
+add_testcase(assert-fail.c PASS_REGULAR_EXPRESSION "Assertion failed: false.*wasm trap:.*unreachable")
+add_testcase(assert-pass.c)
+add_testcase(clocks.c EMULATED_CLOCKS)
+add_testcase(cpp_thread_local.cc)
+add_testcase(ctors_dtors.c PASS_REGULAR_EXPRESSION "\
+hello from_constructor101
+hello from_constructor
+hello from_constructor65535
+hello main
+goodbye main
+hello another_from_atexit
+hello from_atexit
+hello from_destructor65535
+hello from_destructor
+hello from_destructor101
+"
+)
+add_testcase(ctors_dtors.cc PASS_REGULAR_EXPRESSION "\
+hello from_constructor101
+hello from_constructor
+hello from_constructor65535
+hello StaticObject::StaticObject
+hello main
+goodbye main
+hello another_from_atexit
+hello from_atexit
+hello from_destructor65535
+hello from_destructor
+hello StaticObject::~StaticObject
+hello from_destructor101
+")
+add_testcase(empty.c)
+add_testcase(env-absent.c PASS_REGULAR_EXPRESSION "HELLO = \\(null\\)")
+add_testcase(env.c ENV HELLO=hello PASS_REGULAR_EXPRESSION "HELLO = hello")
+add_testcase(environ.c ENV HELLO=hello PASS_REGULAR_EXPRESSION "HELLO = hello")
+add_testcase(exceptions.cc)
+add_testcase(getentropy.c)
+add_testcase(iostream_main.cc PASS_REGULAR_EXPRESSION "hello from C\\+\\+ main with cout")
+add_testcase(main_errno.c PASS_REGULAR_EXPRESSION "initial errno is 0: Success")
+add_testcase(mmap.c EMULATED_MMAN FSDIR PASS_REGULAR_EXPRESSION "\
+“Would you tell me, please, which way I ought to go from here\\?”
 
-set(general_tests ${c_general_tests} ${cxx_general_tests})
-
-foreach(test IN LISTS general_tests)
-  add_testcase(${WASI_SDK_RUNWASI} ${test})
-endforeach()
+“That depends a good deal on where you want to get to,” said the Cat.
+"
+)
+add_testcase(no_arg_main.c PASS_REGULAR_EXPRESSION "hello from no-arg main")
+add_testcase(no_arg_main.cc PASS_REGULAR_EXPRESSION "hello from C\\+\\+ no-arg main")
+add_testcase(opendir.c FSDIR)
+add_testcase(printf-long-double-enabled.c PRINTSCAN_LONG_DOUBLE PASS_REGULAR_EXPRESSION "the answer is 42.000000")
+add_testcase(printf-no-float.c PASS_REGULAR_EXPRESSION "the answer is 42")
+add_testcase(printf-no-long-double.c PASS_REGULAR_EXPRESSION "the answer is 42.000000")
+add_testcase(sigabrt.c EMULATED_SIGNAL PASS_REGULAR_EXPRESSION "\
+raising SIGABRT...
+Program received fatal signal: Aborted
+.*failed to run main module.*
+")
+add_testcase(signals.c EMULATED_SIGNAL PASS_REGULAR_EXPRESSION "\
+psignal message for SIGINT: Interrupt
+strsignal for SIGHUP: 'Hangup'
+beginning handler test:
+handler for signal Window changed
+finished handler test
+")
+add_testcase(stat.c FSDIR)
+add_testcase(void_main.c PASS_REGULAR_EXPRESSION "hello from void main")
+add_testcase(void_main.cc PASS_REGULAR_EXPRESSION "hello from C\\+\\+ void main")
diff --git a/tests/general/abort.c.exit_status.expected b/tests/general/abort.c.exit_status.expected
deleted file mode 100644
index 405e2afe8..000000000
--- a/tests/general/abort.c.exit_status.expected
+++ /dev/null
@@ -1 +0,0 @@
-134
diff --git a/tests/general/abort.c.stderr.expected b/tests/general/abort.c.stderr.expected
deleted file mode 100644
index d533e582f..000000000
--- a/tests/general/abort.c.stderr.expected
+++ /dev/null
@@ -1,7 +0,0 @@
-Error: failed to run main module `abort.c.---.wasm`
-
-Caused by:
-    0: failed to invoke ---
-    1: error while executing at wasm backtrace:
-       note: using the `WASMTIME_BACKTRACE_DETAILS=1` environment variable may show more debugging information
-    2: wasm trap: wasm `unreachable` instruction executed
diff --git a/tests/general/abort.c.stderr.expected.filter b/tests/general/abort.c.stderr.expected.filter
deleted file mode 100755
index 98233a1ee..000000000
--- a/tests/general/abort.c.stderr.expected.filter
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-
-cat \
-    | sed -e 's/main module `.*abort\.c\.wasm`/main module `abort.c.---.wasm`/' \
-    | sed -e 's/failed to invoke.*/failed to invoke ---/' \
-    | sed -E '/0x[[:xdigit:]]+/d'
diff --git a/tests/general/argc_argv_main.c.stdout.expected b/tests/general/argc_argv_main.c.stdout.expected
deleted file mode 100644
index 851e34956..000000000
--- a/tests/general/argc_argv_main.c.stdout.expected
+++ /dev/null
@@ -1 +0,0 @@
-hello from argc argv main!
diff --git a/tests/general/argc_argv_main.cc.stdout.expected b/tests/general/argc_argv_main.cc.stdout.expected
deleted file mode 100644
index 8d6f69a39..000000000
--- a/tests/general/argc_argv_main.cc.stdout.expected
+++ /dev/null
@@ -1 +0,0 @@
-hello from C++ argc argv main!
diff --git a/tests/general/assert-fail.c.exit_status.expected b/tests/general/assert-fail.c.exit_status.expected
deleted file mode 100644
index 405e2afe8..000000000
--- a/tests/general/assert-fail.c.exit_status.expected
+++ /dev/null
@@ -1 +0,0 @@
-134
diff --git a/tests/general/assert-fail.c.stderr.expected b/tests/general/assert-fail.c.stderr.expected
deleted file mode 100644
index fcf1f75ac..000000000
--- a/tests/general/assert-fail.c.stderr.expected
+++ /dev/null
@@ -1,8 +0,0 @@
-Assertion failed: false (assert-fail.c: main: 9)
-Error: failed to run main module `assert-fail.c.---.wasm`
-
-Caused by:
-    0: failed to invoke ---
-    1: error while executing at wasm backtrace:
-       note: using the `WASMTIME_BACKTRACE_DETAILS=1` environment variable may show more debugging information
-    2: wasm trap: wasm `unreachable` instruction executed
diff --git a/tests/general/assert-fail.c.stderr.expected.filter b/tests/general/assert-fail.c.stderr.expected.filter
deleted file mode 100755
index 77849a1ca..000000000
--- a/tests/general/assert-fail.c.stderr.expected.filter
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-
-cat \
-    | sed -e 's/main module `.*assert-fail\.c\.wasm`/main module `assert-fail.c.---.wasm`/' \
-    | sed -e 's/failed to invoke.*/failed to invoke ---/' \
-    | sed -e 's/Assertion failed: false (.*assert-fail.c/Assertion failed: false (assert-fail.c/' \
-    | sed -E '/0x[[:xdigit:]]+/d'
diff --git a/tests/general/ctors_dtors.c.stdout.expected b/tests/general/ctors_dtors.c.stdout.expected
deleted file mode 100644
index dfe829259..000000000
--- a/tests/general/ctors_dtors.c.stdout.expected
+++ /dev/null
@@ -1,10 +0,0 @@
-hello from_constructor101
-hello from_constructor
-hello from_constructor65535
-hello main
-goodbye main
-hello another_from_atexit
-hello from_atexit
-hello from_destructor65535
-hello from_destructor
-hello from_destructor101
diff --git a/tests/general/ctors_dtors.cc.stdout.expected b/tests/general/ctors_dtors.cc.stdout.expected
deleted file mode 100644
index 675900bf4..000000000
--- a/tests/general/ctors_dtors.cc.stdout.expected
+++ /dev/null
@@ -1,12 +0,0 @@
-hello from_constructor101
-hello from_constructor
-hello from_constructor65535
-hello StaticObject::StaticObject
-hello main
-goodbye main
-hello another_from_atexit
-hello from_atexit
-hello from_destructor65535
-hello from_destructor
-hello StaticObject::~StaticObject
-hello from_destructor101
diff --git a/tests/general/env-absent.c.stdout.expected b/tests/general/env-absent.c.stdout.expected
deleted file mode 100644
index f5614c385..000000000
--- a/tests/general/env-absent.c.stdout.expected
+++ /dev/null
@@ -1 +0,0 @@
-HELLO = (null)
diff --git a/tests/general/env.c.env b/tests/general/env.c.env
deleted file mode 100644
index 9be21dfcc..000000000
--- a/tests/general/env.c.env
+++ /dev/null
@@ -1 +0,0 @@
-HELLO=hello
diff --git a/tests/general/env.c.stdout.expected b/tests/general/env.c.stdout.expected
deleted file mode 100644
index b9a2a6605..000000000
--- a/tests/general/env.c.stdout.expected
+++ /dev/null
@@ -1 +0,0 @@
-HELLO = hello
diff --git a/tests/general/environ.c.env b/tests/general/environ.c.env
deleted file mode 100644
index 9be21dfcc..000000000
--- a/tests/general/environ.c.env
+++ /dev/null
@@ -1 +0,0 @@
-HELLO=hello
diff --git a/tests/general/environ.c.stdout.expected b/tests/general/environ.c.stdout.expected
deleted file mode 100644
index b9a2a6605..000000000
--- a/tests/general/environ.c.stdout.expected
+++ /dev/null
@@ -1 +0,0 @@
-HELLO = hello
diff --git a/tests/general/iostream_main.cc.stdout.expected b/tests/general/iostream_main.cc.stdout.expected
deleted file mode 100644
index bbbdf77d9..000000000
--- a/tests/general/iostream_main.cc.stdout.expected
+++ /dev/null
@@ -1 +0,0 @@
-hello from C++ main with cout!
diff --git a/tests/general/main_errno.c.stdout.expected b/tests/general/main_errno.c.stdout.expected
deleted file mode 100644
index c537e5f57..000000000
--- a/tests/general/main_errno.c.stdout.expected
+++ /dev/null
@@ -1 +0,0 @@
-initial errno is 0: Success
diff --git a/tests/general/mmap.c.stdout.expected b/tests/general/mmap.c.stdout.expected
deleted file mode 100644
index 5011009a5..000000000
--- a/tests/general/mmap.c.stdout.expected
+++ /dev/null
@@ -1,3 +0,0 @@
-“Would you tell me, please, which way I ought to go from here?”
-
-“That depends a good deal on where you want to get to,” said the Cat.
diff --git a/tests/general/no_arg_main.c.stdout.expected b/tests/general/no_arg_main.c.stdout.expected
deleted file mode 100644
index d5ae29d5c..000000000
--- a/tests/general/no_arg_main.c.stdout.expected
+++ /dev/null
@@ -1 +0,0 @@
-hello from no-arg main!
diff --git a/tests/general/no_arg_main.cc.stdout.expected b/tests/general/no_arg_main.cc.stdout.expected
deleted file mode 100644
index 1aa719ed7..000000000
--- a/tests/general/no_arg_main.cc.stdout.expected
+++ /dev/null
@@ -1 +0,0 @@
-hello from C++ no-arg main!
diff --git a/tests/general/printf-long-double-enabled.c.stdout.expected b/tests/general/printf-long-double-enabled.c.stdout.expected
deleted file mode 100644
index e23e0243e..000000000
--- a/tests/general/printf-long-double-enabled.c.stdout.expected
+++ /dev/null
@@ -1 +0,0 @@
-the answer is 42.000000
diff --git a/tests/general/printf-no-float.c.stdout.expected b/tests/general/printf-no-float.c.stdout.expected
deleted file mode 100644
index 5bdef3dc9..000000000
--- a/tests/general/printf-no-float.c.stdout.expected
+++ /dev/null
@@ -1 +0,0 @@
-the answer is 42
diff --git a/tests/general/printf-no-long-double.c.stdout.expected b/tests/general/printf-no-long-double.c.stdout.expected
deleted file mode 100644
index e23e0243e..000000000
--- a/tests/general/printf-no-long-double.c.stdout.expected
+++ /dev/null
@@ -1 +0,0 @@
-the answer is 42.000000
diff --git a/tests/general/sigabrt.c.exit_status.expected b/tests/general/sigabrt.c.exit_status.expected
deleted file mode 100644
index 405e2afe8..000000000
--- a/tests/general/sigabrt.c.exit_status.expected
+++ /dev/null
@@ -1 +0,0 @@
-134
diff --git a/tests/general/sigabrt.c.stderr.expected b/tests/general/sigabrt.c.stderr.expected
deleted file mode 100644
index d702a8897..000000000
--- a/tests/general/sigabrt.c.stderr.expected
+++ /dev/null
@@ -1,6 +0,0 @@
-raising SIGABRT...
-Program received fatal signal: Aborted
-Error: failed to run main module `sigabrt.c.---.wasm`
-
-Caused by:
-    0: failed to invoke ---
diff --git a/tests/general/sigabrt.c.stderr.expected.filter b/tests/general/sigabrt.c.stderr.expected.filter
deleted file mode 100755
index 726f0241e..000000000
--- a/tests/general/sigabrt.c.stderr.expected.filter
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/bash
-set -euo pipefail
-
-cat \
-    | sed -e 's/main module `.*sigabrt\.c\.wasm`/main module `sigabrt.c.---.wasm`/' \
-    | sed -e 's/source location: @[[:xdigit:]]*$/source location: @----/' \
-    | sed -e 's/failed to invoke.*/failed to invoke ---/' \
-    | head -n 6
diff --git a/tests/general/sigabrt.c.wasm32-wasi-preview2.stderr.expected b/tests/general/sigabrt.c.wasm32-wasi-preview2.stderr.expected
deleted file mode 100644
index f437a8214..000000000
--- a/tests/general/sigabrt.c.wasm32-wasi-preview2.stderr.expected
+++ /dev/null
@@ -1,6 +0,0 @@
-raising SIGABRT...
-Program received fatal signal: Aborted
-Error: failed to run main module `sigabrt.c.---.wasm`
-
-Caused by:
-    0: failed to invoke `run` function
diff --git a/tests/general/sigabrt.c.wasm32-wasip2.stderr.expected b/tests/general/sigabrt.c.wasm32-wasip2.stderr.expected
deleted file mode 100644
index f437a8214..000000000
--- a/tests/general/sigabrt.c.wasm32-wasip2.stderr.expected
+++ /dev/null
@@ -1,6 +0,0 @@
-raising SIGABRT...
-Program received fatal signal: Aborted
-Error: failed to run main module `sigabrt.c.---.wasm`
-
-Caused by:
-    0: failed to invoke `run` function
diff --git a/tests/general/signals.c.stderr.expected b/tests/general/signals.c.stderr.expected
deleted file mode 100644
index f1b48ab7e..000000000
--- a/tests/general/signals.c.stderr.expected
+++ /dev/null
@@ -1 +0,0 @@
-psignal message for SIGINT: Interrupt
diff --git a/tests/general/signals.c.stdout.expected b/tests/general/signals.c.stdout.expected
deleted file mode 100644
index b35f25678..000000000
--- a/tests/general/signals.c.stdout.expected
+++ /dev/null
@@ -1,4 +0,0 @@
-strsignal for SIGHUP: 'Hangup'
-beginning handler test:
-handler for signal Window changed
-finished handler test
diff --git a/tests/general/void_main.c.stdout.expected b/tests/general/void_main.c.stdout.expected
deleted file mode 100644
index 533c359f8..000000000
--- a/tests/general/void_main.c.stdout.expected
+++ /dev/null
@@ -1 +0,0 @@
-hello from void main!
diff --git a/tests/general/void_main.cc.stdout.expected b/tests/general/void_main.cc.stdout.expected
deleted file mode 100644
index d1f259d3e..000000000
--- a/tests/general/void_main.cc.stdout.expected
+++ /dev/null
@@ -1 +0,0 @@
-hello from C++ void main!
diff --git a/tests/testcase.sh b/tests/testcase.sh
deleted file mode 100755
index d2c5a8c34..000000000
--- a/tests/testcase.sh
+++ /dev/null
@@ -1,102 +0,0 @@
-#!/bin/bash
-set -ueo pipefail
-
-# A simple testcase runner that runs a command, captures all its command-line
-# outputs, and compares them against expected outputs.
-
-# Command-line parsing; this script is meant to be run from a higher-level
-# script, so don't do anything fancy.
-runwasi="$1"
-input="$2"
-wasm="$3"
-
-# Compile names for generated files.
-stdout_observed="$wasm.stdout.observed"
-stderr_observed="$wasm.stderr.observed"
-exit_status_observed="$wasm.exit_status.observed"
-
-# Double-check that a runwasi command was specified since otherwise this script
-# was invoked with no arguments which isn't as intended.
-if [ "$runwasi" == "" ]; then
-    exit 1
-fi
-
-# Determine the input file to write to stdin.
-if [ -e "$input.stdin" ]; then
-  stdin="$input.stdin"
-else
-  stdin="/dev/null"
-fi
-
-# Determine any environment variables to set.
-if [ -e "$input.env" ]; then
-    env=$(sed -e 's/^/--env /' < "$input.env")
-else
-    env=""
-fi
-
-# Determine a preopened directory to provide.
-if [ -e "$input.dir" ]; then
-    dir="--dir $input.dir"
-    dirarg="$input.dir"
-else
-    dir=""
-    dirarg=""
-fi
-
-# Run the test, capturing stdout, stderr, and the exit status.
-exit_status=0
-$runwasi $env $dir "$wasm" $dirarg \
-    < "$stdin" \
-    > "$stdout_observed" \
-    2> "$stderr_observed" \
-    || exit_status=$?
-echo $exit_status > "$exit_status_observed"
-
-# On Windows Wasmtime will exit with error code 3 for aborts. On Unix Wasmtime
-# will exit with status 134. Paper over this difference by pretending to be Unix
-# on Windows and converting exit code 3 into 134 for the purposes of asserting
-# test output.
-if [ "$OSTYPE" = "msys" ] && [ "$exit_status" = "3" ]; then
-  echo 134 > "$exit_status_observed"
-fi
-
-# Determine the reference files to compare with.
-if [ -e "$input.stdout.expected" ]; then
-  stdout_expected="$input.stdout.expected"
-
-  # Apply output filters.
-  if [ -e "$input.stdout.expected.filter" ]; then
-      cat "$stdout_observed" \
-          | "$input.stdout.expected.filter" \
-          > "${stdout_observed}.filtered"
-      stdout_observed="${stdout_observed}.filtered"
-  fi
-else
-  stdout_expected="/dev/null"
-fi
-
-if [ -e "$input.stderr.expected" ]; then
-  stderr_expected="$input.stderr.expected"
-
-  # Apply output filters.
-  if [ -e "$input.stderr.expected.filter" ]; then
-      cat "$stderr_observed" \
-          | "./$input.stderr.expected.filter" \
-          > "${stderr_observed}.filtered"
-      stderr_observed="${stderr_observed}.filtered"
-  fi
-else
-  stderr_expected="/dev/null"
-fi
-if [ -e "$input.exit_status.expected" ]; then
-  exit_status_expected="$input.exit_status.expected"
-else
-  exit_status_expected=../exit_status_zero
-fi
-
-# If there are any differences, diff will return a non-zero exit status, and
-# since this script uses "set -e", it will return a non-zero exit status too.
-diff --ignore-space-change -u "$stderr_expected" "$stderr_observed"
-diff --ignore-space-change -u "$stdout_expected" "$stdout_observed"
-diff --ignore-space-change -u "$exit_status_expected" "$exit_status_observed"