transform: move tests to transform_test package

This allows for adding more advanced tests, for example tests that use
the compiler package so that test sources can be written in Go instead
of LLVM IR.

13 files changed, 44 insertions, 28 deletions

diff --git a/transform/allocs_test.go b/transform/allocs_test.go
index 42c5292d1..9176b2ff9 100644
--- a/transform/allocs_test.go
+++ b/transform/allocs_test.go
@@ -1,10 +1,12 @@
-package transform
+package transform_test
 
 import (
 	"testing"
+
+	"github.com/tinygo-org/tinygo/transform"
 )
 
 func TestAllocs(t *testing.T) {
 	t.Parallel()
-	testTransform(t, "testdata/allocs", OptimizeAllocs)
+	testTransform(t, "testdata/allocs", transform.OptimizeAllocs)
 }
diff --git a/transform/func-lowering_test.go b/transform/func-lowering_test.go
index ee3d019dd..e88212454 100644
--- a/transform/func-lowering_test.go
+++ b/transform/func-lowering_test.go
@@ -1,10 +1,12 @@
-package transform
+package transform_test
 
 import (
 	"testing"
+
+	"github.com/tinygo-org/tinygo/transform"
 )
 
 func TestFuncLowering(t *testing.T) {
 	t.Parallel()
-	testTransform(t, "testdata/func-lowering", LowerFuncValues)
+	testTransform(t, "testdata/func-lowering", transform.LowerFuncValues)
 }
diff --git a/transform/gc_test.go b/transform/gc_test.go
index 64962f0a0..70412d6b6 100644
--- a/transform/gc_test.go
+++ b/transform/gc_test.go
@@ -1,21 +1,22 @@
-package transform
+package transform_test
 
 import (
 	"testing"
 
+	"github.com/tinygo-org/tinygo/transform"
 	"tinygo.org/x/go-llvm"
 )
 
 func TestAddGlobalsBitmap(t *testing.T) {
 	t.Parallel()
 	testTransform(t, "testdata/gc-globals", func(mod llvm.Module) {
-		AddGlobalsBitmap(mod)
+		transform.AddGlobalsBitmap(mod)
 	})
 }
 
 func TestMakeGCStackSlots(t *testing.T) {
 	t.Parallel()
 	testTransform(t, "testdata/gc-stackslots", func(mod llvm.Module) {
-		MakeGCStackSlots(mod)
+		transform.MakeGCStackSlots(mod)
 	})
 }
diff --git a/transform/globals_test.go b/transform/globals_test.go
index 0dcb0608d..1b6f243b8 100644
--- a/transform/globals_test.go
+++ b/transform/globals_test.go
@@ -1,14 +1,15 @@
-package transform
+package transform_test
 
 import (
 	"testing"
 
+	"github.com/tinygo-org/tinygo/transform"
 	"tinygo.org/x/go-llvm"
 )
 
 func TestApplyFunctionSections(t *testing.T) {
 	t.Parallel()
 	testTransform(t, "testdata/globals-function-sections", func(mod llvm.Module) {
-		ApplyFunctionSections(mod)
+		transform.ApplyFunctionSections(mod)
 	})
 }
diff --git a/transform/goroutine_test.go b/transform/goroutine_test.go
index e63b49239..4d4f0b198 100644
--- a/transform/goroutine_test.go
+++ b/transform/goroutine_test.go
@@ -1,14 +1,16 @@
-package transform
+package transform_test
 
 import (
 	"testing"
+
+	"github.com/tinygo-org/tinygo/transform"
 	"tinygo.org/x/go-llvm"
 )
 
 func TestGoroutineLowering(t *testing.T) {
 	t.Parallel()
 	testTransform(t, "testdata/coroutines", func(mod llvm.Module) {
-		err := LowerCoroutines(mod, false)
+		err := transform.LowerCoroutines(mod, false)
 		if err != nil {
 			panic(err)
 		}
diff --git a/transform/interface-lowering_test.go b/transform/interface-lowering_test.go
index e1c3c2dcc..e1d56e480 100644
--- a/transform/interface-lowering_test.go
+++ b/transform/interface-lowering_test.go
@@ -1,15 +1,16 @@
-package transform
+package transform_test
 
 import (
 	"testing"
 
+	"github.com/tinygo-org/tinygo/transform"
 	"tinygo.org/x/go-llvm"
 )
 
 func TestInterfaceLowering(t *testing.T) {
 	t.Parallel()
 	testTransform(t, "testdata/interface", func(mod llvm.Module) {
-		err := LowerInterfaces(mod, 0)
+		err := transform.LowerInterfaces(mod, 0)
 		if err != nil {
 			t.Error(err)
 		}
diff --git a/transform/interrupt_test.go b/transform/interrupt_test.go
index 60d83da15..1740f4858 100644
--- a/transform/interrupt_test.go
+++ b/transform/interrupt_test.go
@@ -1,8 +1,9 @@
-package transform
+package transform_test
 
 import (
 	"testing"
 
+	"github.com/tinygo-org/tinygo/transform"
 	"tinygo.org/x/go-llvm"
 )
 
@@ -11,7 +12,7 @@ func TestInterruptLowering(t *testing.T) {
 	for _, subtest := range []string{"avr", "cortexm"} {
 		t.Run(subtest, func(t *testing.T) {
 			testTransform(t, "testdata/interrupt-"+subtest, func(mod llvm.Module) {
-				errs := LowerInterrupts(mod, 0)
+				errs := transform.LowerInterrupts(mod, 0)
 				if len(errs) != 0 {
 					t.Fail()
 					for _, err := range errs {
diff --git a/transform/maps_test.go b/transform/maps_test.go
index 2bfc7feff..1f821d4b9 100644
--- a/transform/maps_test.go
+++ b/transform/maps_test.go
@@ -1,8 +1,9 @@
-package transform
+package transform_test
 
 import (
 	"testing"
 
+	"github.com/tinygo-org/tinygo/transform"
 	"tinygo.org/x/go-llvm"
 )
 
@@ -10,7 +11,7 @@ func TestOptimizeMaps(t *testing.T) {
 	t.Parallel()
 	testTransform(t, "testdata/maps", func(mod llvm.Module) {
 		// Run optimization pass.
-		OptimizeMaps(mod)
+		transform.OptimizeMaps(mod)
 
 		// Run an optimization pass, to clean up the result.
 		// This shows that all code related to the map is really eliminated.
diff --git a/transform/panic_test.go b/transform/panic_test.go
index df0782611..ea4efd0e7 100644
--- a/transform/panic_test.go
+++ b/transform/panic_test.go
@@ -1,10 +1,12 @@
-package transform
+package transform_test
 
 import (
 	"testing"
+
+	"github.com/tinygo-org/tinygo/transform"
 )
 
 func TestReplacePanicsWithTrap(t *testing.T) {
 	t.Parallel()
-	testTransform(t, "testdata/panic", ReplacePanicsWithTrap)
+	testTransform(t, "testdata/panic", transform.ReplacePanicsWithTrap)
 }
diff --git a/transform/rtcalls_test.go b/transform/rtcalls_test.go
index 819dc5acb..9073b0ea5 100644
--- a/transform/rtcalls_test.go
+++ b/transform/rtcalls_test.go
@@ -1,8 +1,9 @@
-package transform
+package transform_test
 
 import (
 	"testing"
 
+	"github.com/tinygo-org/tinygo/transform"
 	"tinygo.org/x/go-llvm"
 )
 
@@ -10,7 +11,7 @@ func TestOptimizeStringToBytes(t *testing.T) {
 	t.Parallel()
 	testTransform(t, "testdata/stringtobytes", func(mod llvm.Module) {
 		// Run optimization pass.
-		OptimizeStringToBytes(mod)
+		transform.OptimizeStringToBytes(mod)
 	})
 }
 
@@ -18,7 +19,7 @@ func TestOptimizeStringEqual(t *testing.T) {
 	t.Parallel()
 	testTransform(t, "testdata/stringequal", func(mod llvm.Module) {
 		// Run optimization pass.
-		OptimizeStringEqual(mod)
+		transform.OptimizeStringEqual(mod)
 	})
 }
 
@@ -26,6 +27,6 @@ func TestOptimizeReflectImplements(t *testing.T) {
 	t.Parallel()
 	testTransform(t, "testdata/reflect-implements", func(mod llvm.Module) {
 		// Run optimization pass.
-		OptimizeReflectImplements(mod)
+		transform.OptimizeReflectImplements(mod)
 	})
 }
diff --git a/transform/stacksize_test.go b/transform/stacksize_test.go
index c7c6cdec9..c38a7b2f8 100644
--- a/transform/stacksize_test.go
+++ b/transform/stacksize_test.go
@@ -1,9 +1,10 @@
-package transform
+package transform_test
 
 import (
 	"testing"
 
 	"github.com/tinygo-org/tinygo/compileopts"
+	"github.com/tinygo-org/tinygo/transform"
 	"tinygo.org/x/go-llvm"
 )
 
@@ -11,7 +12,7 @@ func TestCreateStackSizeLoads(t *testing.T) {
 	t.Parallel()
 	testTransform(t, "testdata/stacksize", func(mod llvm.Module) {
 		// Run optimization pass.
-		CreateStackSizeLoads(mod, &compileopts.Config{
+		transform.CreateStackSizeLoads(mod, &compileopts.Config{
 			Target: &compileopts.TargetSpec{
 				DefaultStackSize: 1024,
 			},
diff --git a/transform/transform_test.go b/transform/transform_test.go
index 28faf8681..584ad4357 100644
--- a/transform/transform_test.go
+++ b/transform/transform_test.go
@@ -1,4 +1,4 @@
-package transform
+package transform_test
 
 // This file defines some helper functions for testing transforms.
 
diff --git a/transform/wasm-abi_test.go b/transform/wasm-abi_test.go
index abe5b30d7..a09129283 100644
--- a/transform/wasm-abi_test.go
+++ b/transform/wasm-abi_test.go
@@ -1,8 +1,9 @@
-package transform
+package transform_test
 
 import (
 	"testing"
 
+	"github.com/tinygo-org/tinygo/transform"
 	"tinygo.org/x/go-llvm"
 )
 
@@ -10,7 +11,7 @@ func TestWasmABI(t *testing.T) {
 	t.Parallel()
 	testTransform(t, "testdata/wasm-abi", func(mod llvm.Module) {
 		// Run ABI change pass.
-		err := ExternalInt64AsPtr(mod)
+		err := transform.ExternalInt64AsPtr(mod)
 		if err != nil {
 			t.Errorf("failed to change wasm ABI: %v", err)
 		}