Fix crashes on boolean schemas in various commands

DEPENDENCIES

@@ -1,5 +1,5 @@
 vendorpull https://github.com/sourcemeta/vendorpull 1dcbac42809cf87cb5b045106b863e17ad84ba02
 core https://github.com/sourcemeta/core 367f6ef45c8e8f05269d65d98dab155505f39ccb
 jsonbinpack https://github.com/sourcemeta/jsonbinpack 183f333e0e032ebf0a397b5d66ed504c44a0a59f
-blaze https://github.com/sourcemeta/blaze a2870f3a3de5fe8cd0008eed5cd679c48ebe126a
+blaze https://github.com/sourcemeta/blaze 18618eccba9609f8beb5563ce57b32ec551f39bf
 ctrf https://github.com/ctrf-io/ctrf 93ea827d951390190171d37443bff169cf47c808

test/CMakeLists.txt

@@ -183,6 +183,8 @@ add_jsonschema_test_unix(validate/pass_2020_12_default_dialect)
 add_jsonschema_test_unix(validate/pass_2020_12_default_dialect_config)
 add_jsonschema_test_unix(validate/pass_2020_12_default_dialect_config_relative)
 add_jsonschema_test_unix(validate/pass_2020_12_default_dialect_config_parent)
+add_jsonschema_test_unix(validate/pass_boolean_schema_true_default_dialect)
+add_jsonschema_test_unix(validate/fail_boolean_schema_false_default_dialect)
 add_jsonschema_test_unix(validate/pass_2020_12_fast)
 add_jsonschema_test_unix(validate/fail_invalid_config)
 add_jsonschema_test_unix(validate/fail_draft3)
@@ -490,6 +492,7 @@ add_jsonschema_test_unix(bundle/pass_draft3_https)
 add_jsonschema_test_unix(bundle/pass_draft7_https)
 add_jsonschema_test_unix(bundle/pass_2020_12_http)
 add_jsonschema_test_unix(bundle/pass_resolve_single_default_dialect)
+add_jsonschema_test_unix(bundle/pass_boolean_schema_default_dialect)
 add_jsonschema_test_unix(bundle/pass_resolve_yaml)
 add_jsonschema_test_unix(bundle/pass_resolve_with_ignore)
 add_jsonschema_test_unix(bundle/pass_resolve_no_identifier)
@@ -543,6 +546,7 @@ add_jsonschema_test_unix(inspect/pass_default_dialect_config_relative_uri)
 add_jsonschema_test_unix(inspect/pass_default_dialect_config_path_no_base_shift)
 add_jsonschema_test_unix(inspect/pass_default_dialect_config_extension_fallback_json)
 add_jsonschema_test_unix(inspect/pass_default_dialect_config_extension_fallback_yaml)
+add_jsonschema_test_unix(inspect/pass_boolean_schema_default_dialect)
 add_jsonschema_test_unix(inspect/pass_default_dialect_config_extension_fallback_over_directory)
 add_jsonschema_test_unix(inspect/pass_default_dialect_config_extension_custom)
 add_jsonschema_test_unix(inspect/pass_default_dialect_cli_extension_fallback)
@@ -954,6 +958,7 @@ add_jsonschema_test_unix(rdf/pass_composition_allof)
 add_jsonschema_test_unix(rdf/pass_composition_oneof)
 add_jsonschema_test_unix(rdf/pass_default_dialect_cli)
 add_jsonschema_test_unix(rdf/pass_default_dialect_config)
+add_jsonschema_test_unix(rdf/pass_boolean_schema_default_dialect)
 add_jsonschema_test_unix(rdf/pass_empty_instance)
 add_jsonschema_test_unix(rdf/pass_expanded)
 add_jsonschema_test_unix(rdf/pass_expanded_verbose)

test/bundle/pass_boolean_schema_default_dialect.sh

@@ -0,0 +1,24 @@
+#!/bin/sh
+
+set -o errexit
+set -o nounset
+
+TMP="$(mktemp -d)"
+clean() { rm -rf "$TMP"; }
+trap clean EXIT
+
+cat << 'EOF' > "$TMP/schema.json"
+true
+EOF
+
+"$1" bundle "$TMP/schema.json" \
+  --default-dialect "https://json-schema.org/draft/2020-12/schema" > "$TMP/result.json"
+
+cat << 'EOF' > "$TMP/expected.json"
+true
+EOF
+
+diff "$TMP/result.json" "$TMP/expected.json"
+
+# Must come out formatted
+"$1" fmt "$TMP/result.json" --check --default-dialect "https://json-schema.org/draft/2020-12/schema"

test/inspect/pass_boolean_schema_default_dialect.sh

@@ -0,0 +1,32 @@
+#!/bin/sh
+
+set -o errexit
+set -o nounset
+
+TMP="$(mktemp -d)"
+clean() { rm -rf "$TMP"; }
+trap clean EXIT
+
+cat << 'EOF' > "$TMP/schema.json"
+true
+EOF
+
+"$1" inspect "$TMP/schema.json" \
+  --default-dialect "https://json-schema.org/draft/2020-12/schema" > "$TMP/output.txt"
+
+cat << EOF > "$TMP/expected.txt"
+(RESOURCE) URI: file://$(realpath "$TMP")/schema.json
+    Type              : Static
+    Root              : file://$(realpath "$TMP")/schema.json
+    Pointer           :
+    File Position     : 1:1
+    Base              : file://$(realpath "$TMP")/schema.json
+    Relative Pointer  :
+    Dialect           : https://json-schema.org/draft/2020-12/schema
+    Base Dialect      : https://json-schema.org/draft/2020-12/schema
+    Parent            : <NONE>
+    Property Name     : no
+    Orphan            : no
+EOF
+
+diff "$TMP/output.txt" "$TMP/expected.txt"

test/rdf/pass_boolean_schema_default_dialect.sh

@@ -0,0 +1,26 @@
+#!/bin/sh
+
+set -o errexit
+set -o nounset
+
+TMP="$(mktemp -d)"
+clean() { rm -rf "$TMP"; }
+trap clean EXIT
+
+cat << 'EOF' > "$TMP/schema.json"
+true
+EOF
+
+cat << 'EOF' > "$TMP/instance.json"
+{}
+EOF
+
+"$1" rdf "$TMP/schema.json" "$TMP/instance.json" \
+  --default-dialect "https://json-schema.org/draft/2020-12/schema" \
+  > "$TMP/output.json"
+
+cat << 'EOF' > "$TMP/expected.json"
+[]
+EOF
+
+diff "$TMP/output.json" "$TMP/expected.json"

test/validate/fail_boolean_schema_false_default_dialect.sh

@@ -0,0 +1,29 @@
+#!/bin/sh
+
+set -o errexit
+set -o nounset
+
+TMP="$(mktemp -d)"
+clean() { rm -rf "$TMP"; }
+trap clean EXIT
+
+cat << 'EOF' > "$TMP/schema.json"
+false
+EOF
+
+cat << 'EOF' > "$TMP/instance.json"
+{}
+EOF
+
+"$1" validate --default-dialect "https://json-schema.org/draft/2020-12/schema" \
+  "$TMP/schema.json" "$TMP/instance.json" 2> "$TMP/stderr.txt" \
+  && EXIT_CODE="$?" || EXIT_CODE="$?"
+# Validation failure
+test "$EXIT_CODE" = "2"
+
+cat << EOF > "$TMP/expected.txt"
+fail: $(realpath "$TMP")/instance.json
+error: Schema validation failure
+EOF
+
+diff "$TMP/stderr.txt" "$TMP/expected.txt"

test/validate/pass_boolean_schema_true_default_dialect.sh

@@ -0,0 +1,24 @@
+#!/bin/sh
+
+set -o errexit
+set -o nounset
+
+TMP="$(mktemp -d)"
+clean() { rm -rf "$TMP"; }
+trap clean EXIT
+
+cat << 'EOF' > "$TMP/schema.json"
+true
+EOF
+
+cat << 'EOF' > "$TMP/instance.json"
+{}
+EOF
+
+"$1" validate --default-dialect "https://json-schema.org/draft/2020-12/schema" \
+  "$TMP/schema.json" "$TMP/instance.json" > "$TMP/output.txt" 2>&1
+
+cat << 'EOF' > "$TMP/expected.txt"
+EOF
+
+diff "$TMP/output.txt" "$TMP/expected.txt"