diff --git a/tools/compliance/policy/walk_test.go b/tools/compliance/policy/walk_test.go
new file mode 100644
index 0000000..2eef702
--- /dev/null
+++ b/tools/compliance/policy/walk_test.go
@@ -0,0 +1,629 @@
+// Copyright 2021 Google LLC
+//
+// 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.
+
+package compliance
+
+import (
+	"bytes"
+	"testing"
+)
+
+func TestWalkResolutionsForCondition(t *testing.T) {
+	tests := []struct {
+		name                string
+		condition           ConditionNames
+		roots               []string
+		edges               []annotated
+		expectedResolutions []res
+	}{
+		{
+			name:      "firstparty",
+			condition: ImpliesNotice,
+			roots:     []string{"apacheBin.meta_lic"},
+			edges: []annotated{
+				{"apacheBin.meta_lic", "apacheLib.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"apacheBin.meta_lic", "apacheBin.meta_lic", "apacheBin.meta_lic", "notice"},
+				{"apacheBin.meta_lic", "apacheLib.meta_lic", "apacheLib.meta_lic", "notice"},
+			},
+		},
+		{
+			name:      "notice",
+			condition: ImpliesNotice,
+			roots:     []string{"mitBin.meta_lic"},
+			edges: []annotated{
+				{"mitBin.meta_lic", "mitLib.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"mitBin.meta_lic", "mitBin.meta_lic", "mitBin.meta_lic", "notice"},
+				{"mitBin.meta_lic", "mitLib.meta_lic", "mitLib.meta_lic", "notice"},
+			},
+		},
+		{
+			name:      "fponlgplnotice",
+			condition: ImpliesNotice,
+			roots:     []string{"apacheBin.meta_lic"},
+			edges: []annotated{
+				{"apacheBin.meta_lic", "lgplLib.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"apacheBin.meta_lic", "apacheBin.meta_lic", "apacheBin.meta_lic", "notice"},
+				{"apacheBin.meta_lic", "apacheBin.meta_lic", "lgplLib.meta_lic", "restricted"},
+				{"apacheBin.meta_lic", "lgplLib.meta_lic", "lgplLib.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "fponlgpldynamicnotice",
+			condition: ImpliesNotice,
+			roots:     []string{"apacheBin.meta_lic"},
+			edges: []annotated{
+				{"apacheBin.meta_lic", "lgplLib.meta_lic", []string{"dynamic"}},
+			},
+			expectedResolutions: []res{
+				{"apacheBin.meta_lic", "apacheBin.meta_lic", "apacheBin.meta_lic", "notice"},
+			},
+		},
+		{
+			name:      "independentmodulenotice",
+			condition: ImpliesNotice,
+			roots:     []string{"apacheBin.meta_lic"},
+			edges: []annotated{
+				{"apacheBin.meta_lic", "gplWithClasspathException.meta_lic", []string{"dynamic"}},
+			},
+			expectedResolutions: []res{
+				{"apacheBin.meta_lic", "apacheBin.meta_lic", "apacheBin.meta_lic", "notice"},
+			},
+		},
+		{
+			name:      "independentmodulerestricted",
+			condition: ImpliesRestricted,
+			roots:     []string{"apacheBin.meta_lic"},
+			edges: []annotated{
+				{"apacheBin.meta_lic", "gplWithClasspathException.meta_lic", []string{"dynamic"}},
+			},
+			expectedResolutions: []res{},
+		},
+		{
+			name:      "independentmodulestaticnotice",
+			condition: ImpliesNotice,
+			roots:     []string{"apacheBin.meta_lic"},
+			edges: []annotated{
+				{"apacheBin.meta_lic", "gplWithClasspathException.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"apacheBin.meta_lic", "apacheBin.meta_lic", "apacheBin.meta_lic", "notice"},
+				{"apacheBin.meta_lic", "apacheBin.meta_lic", "gplWithClasspathException.meta_lic", "restricted"},
+				{"apacheBin.meta_lic", "gplWithClasspathException.meta_lic", "gplWithClasspathException.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "independentmodulestaticrestricted",
+			condition: ImpliesRestricted,
+			roots:     []string{"apacheBin.meta_lic"},
+			edges: []annotated{
+				{"apacheBin.meta_lic", "gplWithClasspathException.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"apacheBin.meta_lic", "apacheBin.meta_lic", "gplWithClasspathException.meta_lic", "restricted"},
+				{"apacheBin.meta_lic", "gplWithClasspathException.meta_lic", "gplWithClasspathException.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "dependentmodulenotice",
+			condition: ImpliesNotice,
+			roots:     []string{"dependentModule.meta_lic"},
+			edges: []annotated{
+				{"dependentModule.meta_lic", "gplWithClasspathException.meta_lic", []string{"dynamic"}},
+			},
+			expectedResolutions: []res{
+				{"dependentModule.meta_lic", "dependentModule.meta_lic", "dependentModule.meta_lic", "notice"},
+				{"dependentModule.meta_lic", "dependentModule.meta_lic", "gplWithClasspathException.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "dependentmodulerestricted",
+			condition: ImpliesRestricted,
+			roots:     []string{"dependentModule.meta_lic"},
+			edges: []annotated{
+				{"dependentModule.meta_lic", "gplWithClasspathException.meta_lic", []string{"dynamic"}},
+			},
+			expectedResolutions: []res{
+				{"dependentModule.meta_lic", "dependentModule.meta_lic", "gplWithClasspathException.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "lgplonfpnotice",
+			condition: ImpliesNotice,
+			roots:     []string{"lgplBin.meta_lic"},
+			edges: []annotated{
+				{"lgplBin.meta_lic", "apacheLib.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"lgplBin.meta_lic", "lgplBin.meta_lic", "lgplBin.meta_lic", "restricted"},
+				{"lgplBin.meta_lic", "apacheLib.meta_lic", "apacheLib.meta_lic", "notice"},
+				{"lgplBin.meta_lic", "apacheLib.meta_lic", "lgplBin.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "lgplonfprestricted",
+			condition: ImpliesRestricted,
+			roots:     []string{"lgplBin.meta_lic"},
+			edges: []annotated{
+				{"lgplBin.meta_lic", "apacheLib.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"lgplBin.meta_lic", "lgplBin.meta_lic", "lgplBin.meta_lic", "restricted"},
+				{"lgplBin.meta_lic", "apacheLib.meta_lic", "lgplBin.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "lgplonfpdynamicnotice",
+			condition: ImpliesNotice,
+			roots:     []string{"lgplBin.meta_lic"},
+			edges: []annotated{
+				{"lgplBin.meta_lic", "apacheLib.meta_lic", []string{"dynamic"}},
+			},
+			expectedResolutions: []res{
+				{"lgplBin.meta_lic", "lgplBin.meta_lic", "lgplBin.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "lgplonfpdynamicrestricted",
+			condition: ImpliesRestricted,
+			roots:     []string{"lgplBin.meta_lic"},
+			edges: []annotated{
+				{"lgplBin.meta_lic", "apacheLib.meta_lic", []string{"dynamic"}},
+			},
+			expectedResolutions: []res{
+				{"lgplBin.meta_lic", "lgplBin.meta_lic", "lgplBin.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "gplonfpnotice",
+			condition: ImpliesNotice,
+			roots:     []string{"gplBin.meta_lic"},
+			edges: []annotated{
+				{"gplBin.meta_lic", "apacheLib.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"gplBin.meta_lic", "gplBin.meta_lic", "gplBin.meta_lic", "restricted"},
+				{"gplBin.meta_lic", "apacheLib.meta_lic", "apacheLib.meta_lic", "notice"},
+				{"gplBin.meta_lic", "apacheLib.meta_lic", "gplBin.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "gplonfprestricted",
+			condition: ImpliesRestricted,
+			roots:     []string{"gplBin.meta_lic"},
+			edges: []annotated{
+				{"gplBin.meta_lic", "apacheLib.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"gplBin.meta_lic", "gplBin.meta_lic", "gplBin.meta_lic", "restricted"},
+				{"gplBin.meta_lic", "apacheLib.meta_lic", "gplBin.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "gplcontainernotice",
+			condition: ImpliesNotice,
+			roots:     []string{"gplContainer.meta_lic"},
+			edges: []annotated{
+				{"gplContainer.meta_lic", "apacheLib.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"gplContainer.meta_lic", "gplContainer.meta_lic", "gplContainer.meta_lic", "restricted"},
+				{"gplContainer.meta_lic", "apacheLib.meta_lic", "apacheLib.meta_lic", "notice"},
+				{"gplContainer.meta_lic", "apacheLib.meta_lic", "gplContainer.meta_lic", "restricted"},
+				{"apacheLib.meta_lic", "apacheLib.meta_lic", "apacheLib.meta_lic", "notice"},
+				{"apacheLib.meta_lic", "apacheLib.meta_lic", "gplContainer.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "gplcontainerrestricted",
+			condition: ImpliesRestricted,
+			roots:     []string{"gplContainer.meta_lic"},
+			edges: []annotated{
+				{"gplContainer.meta_lic", "apacheLib.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"gplContainer.meta_lic", "gplContainer.meta_lic", "gplContainer.meta_lic", "restricted"},
+				{"gplContainer.meta_lic", "apacheLib.meta_lic", "gplContainer.meta_lic", "restricted"},
+				{"apacheLib.meta_lic", "apacheLib.meta_lic", "gplContainer.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "gploncontainernotice",
+			condition: ImpliesNotice,
+			roots:     []string{"apacheContainer.meta_lic"},
+			edges: []annotated{
+				{"apacheContainer.meta_lic", "apacheLib.meta_lic", []string{"static"}},
+				{"apacheContainer.meta_lic", "gplLib.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"apacheContainer.meta_lic", "apacheContainer.meta_lic", "apacheContainer.meta_lic", "notice"},
+				{"apacheContainer.meta_lic", "apacheContainer.meta_lic", "gplLib.meta_lic", "restricted"},
+				{"apacheContainer.meta_lic", "apacheLib.meta_lic", "apacheLib.meta_lic", "notice"},
+				{"apacheContainer.meta_lic", "gplLib.meta_lic", "gplLib.meta_lic", "restricted"},
+				{"apacheLib.meta_lic", "apacheLib.meta_lic", "apacheLib.meta_lic", "notice"},
+				{"gplLib.meta_lic", "gplLib.meta_lic", "gplLib.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "gploncontainerrestricted",
+			condition: ImpliesRestricted,
+			roots:     []string{"apacheContainer.meta_lic"},
+			edges: []annotated{
+				{"apacheContainer.meta_lic", "apacheLib.meta_lic", []string{"static"}},
+				{"apacheContainer.meta_lic", "gplLib.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"apacheContainer.meta_lic", "apacheContainer.meta_lic", "gplLib.meta_lic", "restricted"},
+				{"apacheContainer.meta_lic", "gplLib.meta_lic", "gplLib.meta_lic", "restricted"},
+				{"gplLib.meta_lic", "gplLib.meta_lic", "gplLib.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "gplonbinnotice",
+			condition: ImpliesNotice,
+			roots:     []string{"apacheBin.meta_lic"},
+			edges: []annotated{
+				{"apacheBin.meta_lic", "apacheLib.meta_lic", []string{"static"}},
+				{"apacheBin.meta_lic", "gplLib.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"apacheBin.meta_lic", "apacheBin.meta_lic", "apacheBin.meta_lic", "notice"},
+				{"apacheBin.meta_lic", "apacheBin.meta_lic", "gplLib.meta_lic", "restricted"},
+				{"apacheBin.meta_lic", "apacheLib.meta_lic", "apacheLib.meta_lic", "notice"},
+				{"apacheBin.meta_lic", "apacheLib.meta_lic", "gplLib.meta_lic", "restricted"},
+				{"apacheBin.meta_lic", "gplLib.meta_lic", "gplLib.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "gplonbinrestricted",
+			condition: ImpliesRestricted,
+			roots:     []string{"apacheBin.meta_lic"},
+			edges: []annotated{
+				{"apacheBin.meta_lic", "apacheLib.meta_lic", []string{"static"}},
+				{"apacheBin.meta_lic", "gplLib.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"apacheBin.meta_lic", "apacheBin.meta_lic", "gplLib.meta_lic", "restricted"},
+				{"apacheBin.meta_lic", "apacheLib.meta_lic", "gplLib.meta_lic", "restricted"},
+				{"apacheBin.meta_lic", "gplLib.meta_lic", "gplLib.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "gplonfpdynamicnotice",
+			condition: ImpliesNotice,
+			roots:     []string{"gplBin.meta_lic"},
+			edges: []annotated{
+				{"gplBin.meta_lic", "apacheLib.meta_lic", []string{"dynamic"}},
+			},
+			expectedResolutions: []res{
+				{"gplBin.meta_lic", "gplBin.meta_lic", "gplBin.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "gplonfpdynamicrestricted",
+			condition: ImpliesRestricted,
+			roots:     []string{"gplBin.meta_lic"},
+			edges: []annotated{
+				{"gplBin.meta_lic", "apacheLib.meta_lic", []string{"dynamic"}},
+			},
+			expectedResolutions: []res{
+				{"gplBin.meta_lic", "gplBin.meta_lic", "gplBin.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "gplonfpdynamicrestrictedshipped",
+			condition: ImpliesRestricted,
+			roots:     []string{"gplBin.meta_lic", "apacheLib.meta_lic"},
+			edges: []annotated{
+				{"gplBin.meta_lic", "apacheLib.meta_lic", []string{"dynamic"}},
+			},
+			expectedResolutions: []res{
+				{"gplBin.meta_lic", "gplBin.meta_lic", "gplBin.meta_lic", "restricted"},
+				{"gplBin.meta_lic", "apacheLib.meta_lic", "gplBin.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "independentmodulereversenotice",
+			condition: ImpliesNotice,
+			roots:     []string{"gplWithClasspathException.meta_lic"},
+			edges: []annotated{
+				{"gplWithClasspathException.meta_lic", "apacheBin.meta_lic", []string{"dynamic"}},
+			},
+			expectedResolutions: []res{
+				{"gplWithClasspathException.meta_lic", "gplWithClasspathException.meta_lic", "gplWithClasspathException.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "independentmodulereverserestricted",
+			condition: ImpliesRestricted,
+			roots:     []string{"gplWithClasspathException.meta_lic"},
+			edges: []annotated{
+				{"gplWithClasspathException.meta_lic", "apacheBin.meta_lic", []string{"dynamic"}},
+			},
+			expectedResolutions: []res{
+				{"gplWithClasspathException.meta_lic", "gplWithClasspathException.meta_lic", "gplWithClasspathException.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "independentmodulereverserestrictedshipped",
+			condition: ImpliesRestricted,
+			roots:     []string{"gplWithClasspathException.meta_lic", "apacheBin.meta_lic"},
+			edges: []annotated{
+				{"gplWithClasspathException.meta_lic", "apacheBin.meta_lic", []string{"dynamic"}},
+			},
+			expectedResolutions: []res{
+				{"gplWithClasspathException.meta_lic", "gplWithClasspathException.meta_lic", "gplWithClasspathException.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "independentmodulereversestaticnotice",
+			condition: ImpliesNotice,
+			roots:     []string{"gplWithClasspathException.meta_lic"},
+			edges: []annotated{
+				{"gplWithClasspathException.meta_lic", "apacheBin.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"gplWithClasspathException.meta_lic", "gplWithClasspathException.meta_lic", "gplWithClasspathException.meta_lic", "restricted"},
+				{"gplWithClasspathException.meta_lic", "apacheBin.meta_lic", "apacheBin.meta_lic", "notice"},
+				{"gplWithClasspathException.meta_lic", "apacheBin.meta_lic", "gplWithClasspathException.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "independentmodulereversestaticrestricted",
+			condition: ImpliesRestricted,
+			roots:     []string{"gplWithClasspathException.meta_lic"},
+			edges: []annotated{
+				{"gplWithClasspathException.meta_lic", "apacheBin.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"gplWithClasspathException.meta_lic", "gplWithClasspathException.meta_lic", "gplWithClasspathException.meta_lic", "restricted"},
+				{"gplWithClasspathException.meta_lic", "apacheBin.meta_lic", "gplWithClasspathException.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "dependentmodulereversenotice",
+			condition: ImpliesNotice,
+			roots:     []string{"gplWithClasspathException.meta_lic"},
+			edges: []annotated{
+				{"gplWithClasspathException.meta_lic", "dependentModule.meta_lic", []string{"dynamic"}},
+			},
+			expectedResolutions: []res{
+				{"gplWithClasspathException.meta_lic", "gplWithClasspathException.meta_lic", "gplWithClasspathException.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "dependentmodulereverserestricted",
+			condition: ImpliesRestricted,
+			roots:     []string{"gplWithClasspathException.meta_lic"},
+			edges: []annotated{
+				{"gplWithClasspathException.meta_lic", "dependentModule.meta_lic", []string{"dynamic"}},
+			},
+			expectedResolutions: []res{
+				{"gplWithClasspathException.meta_lic", "gplWithClasspathException.meta_lic", "gplWithClasspathException.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "dependentmodulereverserestrictedshipped",
+			condition: ImpliesRestricted,
+			roots:     []string{"gplWithClasspathException.meta_lic", "dependentModule.meta_lic"},
+			edges: []annotated{
+				{"gplWithClasspathException.meta_lic", "dependentModule.meta_lic", []string{"dynamic"}},
+			},
+			expectedResolutions: []res{
+				{"gplWithClasspathException.meta_lic", "gplWithClasspathException.meta_lic", "gplWithClasspathException.meta_lic", "restricted"},
+				{"gplWithClasspathException.meta_lic", "dependentModule.meta_lic", "gplWithClasspathException.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "ponrnotice",
+			condition: ImpliesNotice,
+			roots:     []string{"proprietary.meta_lic"},
+			edges: []annotated{
+				{"proprietary.meta_lic", "gplLib.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"proprietary.meta_lic", "proprietary.meta_lic", "proprietary.meta_lic", "proprietary"},
+				{"proprietary.meta_lic", "proprietary.meta_lic", "gplLib.meta_lic", "restricted"},
+				{"proprietary.meta_lic", "gplLib.meta_lic", "gplLib.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "ponrrestricted",
+			condition: ImpliesRestricted,
+			roots:     []string{"proprietary.meta_lic"},
+			edges: []annotated{
+				{"proprietary.meta_lic", "gplLib.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"proprietary.meta_lic", "gplLib.meta_lic", "gplLib.meta_lic", "restricted"},
+				{"proprietary.meta_lic", "proprietary.meta_lic", "gplLib.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "ponrproprietary",
+			condition: ImpliesProprietary,
+			roots:     []string{"proprietary.meta_lic"},
+			edges: []annotated{
+				{"proprietary.meta_lic", "gplLib.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"proprietary.meta_lic", "proprietary.meta_lic", "proprietary.meta_lic", "proprietary"},
+			},
+		},
+		{
+			name:      "ronpnotice",
+			condition: ImpliesNotice,
+			roots:     []string{"gplBin.meta_lic"},
+			edges: []annotated{
+				{"gplBin.meta_lic", "proprietary.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"gplBin.meta_lic", "gplBin.meta_lic", "gplBin.meta_lic", "restricted"},
+				{"gplBin.meta_lic", "proprietary.meta_lic", "proprietary.meta_lic", "proprietary"},
+				{"gplBin.meta_lic", "proprietary.meta_lic", "gplBin.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "ronprestricted",
+			condition: ImpliesRestricted,
+			roots:     []string{"gplBin.meta_lic"},
+			edges: []annotated{
+				{"gplBin.meta_lic", "proprietary.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"gplBin.meta_lic", "gplBin.meta_lic", "gplBin.meta_lic", "restricted"},
+				{"gplBin.meta_lic", "proprietary.meta_lic", "gplBin.meta_lic", "restricted"},
+			},
+		},
+		{
+			name:      "ronpproprietary",
+			condition: ImpliesProprietary,
+			roots:     []string{"gplBin.meta_lic"},
+			edges: []annotated{
+				{"gplBin.meta_lic", "proprietary.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"gplBin.meta_lic", "proprietary.meta_lic", "proprietary.meta_lic", "proprietary"},
+			},
+		},
+		{
+			name:      "noticeonb_e_onotice",
+			condition: ImpliesNotice,
+			roots:     []string{"mitBin.meta_lic"},
+			edges: []annotated{
+				{"mitBin.meta_lic", "by_exception.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"mitBin.meta_lic", "mitBin.meta_lic", "mitBin.meta_lic", "notice"},
+				{"mitBin.meta_lic", "by_exception.meta_lic", "by_exception.meta_lic", "by_exception_only"},
+			},
+		},
+		{
+			name:      "noticeonb_e_orestricted",
+			condition: ImpliesRestricted,
+			roots:     []string{"mitBin.meta_lic"},
+			edges: []annotated{
+				{"mitBin.meta_lic", "by_exception.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{},
+		},
+		{
+			name:      "noticeonb_e_ob_e_o",
+			condition: ImpliesByExceptionOnly,
+			roots:     []string{"mitBin.meta_lic"},
+			edges: []annotated{
+				{"mitBin.meta_lic", "by_exception.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"mitBin.meta_lic", "by_exception.meta_lic", "by_exception.meta_lic", "by_exception_only"},
+			},
+		},
+		{
+			name:      "b_e_oonnoticenotice",
+			condition: ImpliesNotice,
+			roots:     []string{"by_exception.meta_lic"},
+			edges: []annotated{
+				{"by_exception.meta_lic", "mitLib.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"by_exception.meta_lic", "by_exception.meta_lic", "by_exception.meta_lic", "by_exception_only"},
+				{"by_exception.meta_lic", "mitLib.meta_lic", "mitLib.meta_lic", "notice"},
+			},
+		},
+		{
+			name:      "b_e_oonnoticerestricted",
+			condition: ImpliesRestricted,
+			roots:     []string{"by_exception.meta_lic"},
+			edges: []annotated{
+				{"by_exception.meta_lic", "mitLib.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{},
+		},
+		{
+			name:      "b_e_oonnoticeb_e_o",
+			condition: ImpliesByExceptionOnly,
+			roots:     []string{"by_exception.meta_lic"},
+			edges: []annotated{
+				{"by_exception.meta_lic", "mitLib.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"by_exception.meta_lic", "by_exception.meta_lic", "by_exception.meta_lic", "by_exception_only"},
+			},
+		},
+		{
+			name:      "noticeonrecipnotice",
+			condition: ImpliesNotice,
+			roots:     []string{"mitBin.meta_lic"},
+			edges: []annotated{
+				{"mitBin.meta_lic", "mplLib.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"mitBin.meta_lic", "mitBin.meta_lic", "mitBin.meta_lic", "notice"},
+				{"mitBin.meta_lic", "mplLib.meta_lic", "mplLib.meta_lic", "reciprocal"},
+			},
+		},
+		{
+			name:      "noticeonreciprecip",
+			condition: ImpliesReciprocal,
+			roots:     []string{"mitBin.meta_lic"},
+			edges: []annotated{
+				{"mitBin.meta_lic", "mplLib.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"mitBin.meta_lic", "mplLib.meta_lic", "mplLib.meta_lic", "reciprocal"},
+			},
+		},
+		{
+			name:      "reciponnoticenotice",
+			condition: ImpliesNotice,
+			roots:     []string{"mplBin.meta_lic"},
+			edges: []annotated{
+				{"mplBin.meta_lic", "mitLib.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"mplBin.meta_lic", "mplBin.meta_lic", "mplBin.meta_lic", "reciprocal"},
+				{"mplBin.meta_lic", "mitLib.meta_lic", "mitLib.meta_lic", "notice"},
+			},
+		},
+		{
+			name:      "reciponnoticerecip",
+			condition: ImpliesReciprocal,
+			roots:     []string{"mplBin.meta_lic"},
+			edges: []annotated{
+				{"mplBin.meta_lic", "mitLib.meta_lic", []string{"static"}},
+			},
+			expectedResolutions: []res{
+				{"mplBin.meta_lic", "mplBin.meta_lic", "mplBin.meta_lic", "reciprocal"},
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			stderr := &bytes.Buffer{}
+			lg, err := toGraph(stderr, tt.roots, tt.edges)
+			if err != nil {
+				t.Errorf("unexpected test data error: got %w, want no error", err)
+				return
+			}
+			expectedRs := toResolutionSet(lg, tt.expectedResolutions)
+			actualRs := WalkResolutionsForCondition(lg, ResolveTopDownConditions(lg), tt.condition)
+			checkSame(actualRs, expectedRs, t)
+		})
+	}
+}